Tag Archives: ESTER

Nucleoside 5'-thiophosphoryl amino-acid ester compound

Application Number  00129555 Application Date  2000.10.09 Publication Number  1290707 Publication Date  2001.04.11 Priority Information     International Classification  C07H19/20   Applicant(s) Name  Qinghua Univ.   Address     Inventor(s) Name  Zhao Yufen;Miao Zhiwei;Han Bo   Patent Agency Code  11201 Patent Agent  luo wenqun AbstractNucleoside 5'-thiiophosphoryl amino acid ester compound is prepared through the processes of… Read More »

Chitoser ester and its preparing process and application

Application Number  00129362 Application Date  2000.11.27 Publication Number  1355255 Publication Date  2002.06.26 Priority Information     International Classification  A61P9/10;C07H3/06;C08B37/02   Applicant(s) Name  Qingdao Oceanology Univ   Address     Inventor(s) Name  Xu Jiamin;Li Yingxia;Lu Zhihua   Patent Agency Code  37201 Patent Agent  cui qingchen AbstractA chitose ester (3-O-substituent-6-O-substituent-beta-1,4-D-2-amino-2-deoxy-glucosan) in prepared through suspending chitoamine in isopropanol,… Read More »

Purification of (methyl) acrylic acid hydroxy alkyl ester

Application Number  00129086 Application Date  2000.09.29 Publication Number  1293185 Publication Date  2001.05.02 Priority Information   1999/10/7 JP 286974/1999   International Classification  C07C69/54;C07C69/653   Applicant(s) Name  Nippon Shokubai Co., Ltd.   Address     Inventor(s) Name  Kometa Yukihiro;Shibusawa Bunsei;Aratani Kyohiro   Patent Agency Code  11038 Patent Agent  liu jinhui AbstractThe present invention provides: a purification process… Read More »

Cosmetics compositions having least one kind of siloxanes / ester acrylite copolymer and at least one kind of thickening agent

Application Number  00128734 Application Date  2000.09.18 Publication Number  1295831 Publication Date  2001.05.23 Priority Information   1999/9/16 FR 99/11598   International Classification  A61K7/025;A61K7/032;A61K7/04;A61K7/06;A61K7/40;A61K7/48   Applicant(s) Name  L'oreal   Address     Inventor(s) Name  C. Digiji   Patent Agency Code  72001 Patent Agent  pang lizhi AbstractA cosmetic composition in this invention comprising at least one silicone/acrylate copolymer… Read More »

Inhibitor used as antioxygen and 5-lipoxygenase, and anti-inflammatory non-steroid carboxylic ester and amide of non-steroid anti-inflammatory agent

Application Number  00128522 Application Date  1995.12.21 Publication Number  1318544 Publication Date  2001.10.24 Priority Information   1994/12/23 US 08/362,718; 1995/6/7 US 08/472,445   International Classification  C07D311/72;C07D307/80;A61K31/343;A61K31/352;A61P39/06   Applicant(s) Name  Alcon Laboratories Co.   Address     Inventor(s) Name  M. Helberg;G. Graph;D.A. Garmacher   Patent Agency Code  11038 Patent Agent  chen wenbeng AbstractThe compounds of the present… Read More »

Application of polyhydroxy fatty acid ester as oil absorbent in removing oil dirt

Application Number  00128391 Application Date  2000.11.28 Publication Number  1355065 Publication Date  2002.06.26 Priority Information     International Classification  B01J20/26;C08L67/00   Applicant(s) Name  Tianan Industry Co Ltd, Hangzhou   Address     Inventor(s) Name  Li Fasheng;Chen Xuejun;Gu Qingbao   Patent Agency Code  11105 Patent Agent  zhang bengyuan AbstractA process for preparing the biodegradable oil absorbing material… Read More »

5 alpha, 8 alpha-epidioxy-24-dimethycholestane-6-alkene-three beta-alcohol and its heterosides and ester preparation process and use

Application Number  00128275 Application Date  2000.12.15 Publication Number  1358734 Publication Date  2002.07.17 Priority Information     International Classification  C07J71/00;A61K31/702;A61K9/00;A61P35/00;A61P31/12   Applicant(s) Name  Inst. of Infectious, PLA   Address     Inventor(s) Name  Cheng Yun;Lin Wenhan;Lei Haimin   Patent Agency Code  00000 Patent Agent   AbstractThe present invention relates to a 5 alpha, 8 alpha-epidioxy-24-dimethylcholest-6-en-3 beta-alcohol… Read More »

Process for preparing long-chain dicarboxylic acid and its ester

Application Number: 00123140Application Date: 2000.10.26Publication Number: 1351004Publication Date: 2002.05.29Priority Information: International: C07C51/43;C07C55/02;C07C67/08;C07C69/34Applicant(s) Name: China Petroleum & Chemical Corp.Address: Inventor(s) Name: Zhang Yanli;Tong Mingyou;Song XijunPatent Agency Code: 21102Patent Agent: li weiAbstract A process for preparing long-chain dicarboxylic acid or its ester features that such steps as solvent extraction, filter for removing bacteria and decolour are combined… Read More »

Water-dispersed polyisocyanic ester cross-linking agent

Application Number: 00116991Application Date: 2000.07.04Publication Number: 1278537Publication Date: 2001.01.03Priority Information: International: C08K5/315Applicant(s) Name: Gurun High Molecular Technology Co., Ltd., ShanghaiAddress: Inventor(s) Name: Wei Yuchun;Gao WenxianPatent Agency Code: 31208Patent Agent: dong meiAbstract The present invention relates to a water dispersal polyurethane cross-linking agent and its preparation method. It is made up using polyisocyanate whose average isocyanic… Read More »

Crystal of methyl ester of alpha-L-asparaginyl-L-phenylalanine

Application Number: 00123463Application Date: 2000.08.17Publication Number: 1286260Publication Date: 2001.03.07Priority Information: 1999/8/18 US 60/149,570International: C07K5/075Applicant(s) Name: Daesang Co., Ltd.Address: Inventor(s) Name: Choe Chung-SongPatent Agency Code: 11021Patent Agent: hu jiaoyuAbstract The present invention provides a novel process for the crystallization of alpha -L-aspartyl-L-phenylalanine methyl ester crystals wherein initial nucleation and initial crystal growth is conducted in a… Read More »

Citrin ester compound, plasticizer and thermoplastic resin composition for thermoplastic resin produced therewith

Application Number: 00118024Application Date: 2000.05.31Publication Number: 1277186Publication Date: 2000.12.20Priority Information: 1999/5/31 JP 152958/99; 2000/1/28 JP 20655/00; 1999/11/1 JP 310993/99; 1999/11/1 JP 311059/99; 2000/2/25 JP 49362/00International: C07C69/704;C08K5/10;C08L1/12;C08L25/06;C08L27/06Applicant(s) Name: Dassel Chemical Industry Co., Ltd.Address: Inventor(s) Name: Nakata Koji;Onishi YasuhiroshiPatent Agency Code: 31100Patent Agent: chen jianhuaAbstract In the first aspect of the invention, there are provided a citrate… Read More »

Single bath producing method for caffeic acid ester derivatives

Application Number: 00123634Application Date: 2000.08.24Publication Number: 1339430Publication Date: 2002.03.13Priority Information: International: C07C67/08;C07C69/003;C07C69/007Applicant(s) Name: Meidiken Chemical Pharmaceutical Co., Ltd.Address: Inventor(s) Name: Li YanzhangPatent Agency Code: 72002Patent Agent: gan lingAbstract The single bath producing process of caffeic acid ester derivative includes the reaction among carboxyic acid derivative, halide reagent and alcohol inside proper esterifying solvent.

Acridine carboxylic ester compound, preparation and medicinal composition thereof

Application Number: 00118393Application Date: 2000.06.16Publication Number: 1279239Publication Date: 2001.01.10Priority Information: 1999/6/16 FR 997611International: A61K31/436;A61P35/00;C07D491/052Applicant(s) Name: Adir et CompagnieAddress: Inventor(s) Name: M. Kush;F. Dillequin;S. MichelPatent Agency Code: 11038Patent Agent: wang jieAbstract A compound selected from those of formula (I):wherein:X and Y represent hydrogen, halogen, hydroxy, mercapto, cyano, nitro, alkyl, alkoxy, trihaloalkyl, optionally substituted amino, methylenedioxy, or… Read More »

Liquid fat phase composition of gelatinized polyamide with ester terminal

Application Number: 00124240Application Date: 2000.07.15Publication Number: 1280817Publication Date: 2001.01.24Priority Information: 2000/1/24 FR 00/00922; 1999/7/15 FR 99/09176International: A61K7/027Applicant(s) Name: L'orealAddress: Inventor(s) Name: V. FillariePatent Agency Code: 72001Patent Agent: zhong shouqiAbstract The present invention relates to a composition, in particular a physiologically acceptable composition, comprising at least one liquid fatty phase structured with at least one structuring… Read More »

5-aminopyrazole-4-carboxylic ester derivatives and its preparing method

Application Number: 00118867Application Date: 2000.06.16Publication Number: 1280127Publication Date: 2001.01.17Priority Information: 1999/6/18 JP 172031/99International: C07D233/90Applicant(s) Name: Mitsui Chemical Industry Co., Ltd.Address: Inventor(s) Name: Kichita Kei;Matsuo Shingo;Kitashima ToshioPatent Agency Code: 72001Patent Agent: yang liqinAbstract The present invention relates to a 5-aminopyrazole-4-carboxylate derivative and its producing method. The derivative obtained by the preparation process of the invention is… Read More »

2', 3'-O-isopropylidennucleoside 5'-thiophosphamino acid ester compound

Application Number: 00124565Application Date: 2000.09.22Publication Number: 1291615Publication Date: 2001.04.18Priority Information: International: A61K31/7068;A61K31/7072;A61P31/12;A61P31/18;A61P35/00;C07H19/10;C07H19/20Applicant(s) Name: Qinghua UnivAddress: Inventor(s) Name: Zhao Yufen;Miao Zhiwei;Han BoPatent Agency Code: 11201Patent Agent: luo wenqunAbstract A 2',3'-O-isopropylidennucleoside 5'-thiopho sphamino acid methyl ester compound is synthesized through dissolving thiophasphoryl chloride in tetrahydrofuran, adding amino acid methyl ester hydrochloride, dropping 2'3'-O-isopropyliden uridine, dropping acid capture,… Read More »

Sulfur-bearing unsaturated carboxylic ester compound and use thereof

Application Number: 00120123Application Date: 2000.06.01Publication Number: 1283614Publication Date: 2001.02.14Priority Information: 1999/6/1 JP 153389/99; 1999/6/16 JP 169511/99; 1999/12/20 JP 360634/99; 2000/1/11 JP 2329/00; 2000/2/1 JP 24152/00; 2000/2/23 JP 45348/00International: C07C323/10;C07C323/50;C07D339/02;C07D339/08;C07D341/00;C07D277/20;C07D277/32;C08L81/00;C08F228/00;G02B1/04Applicant(s) Name: Mitsui chemical Industry Co., Ltd.Address: Inventor(s) Name: Imai Tsuneo;Sugimoto Kenichi;Fujii KenichiPatent Agency Code: 72001Patent Agent: wen hongyanAbstract This invention relates to a sulfur-containing unsaturated carboxylate… Read More »

Process for preparing aqueous emulsion of ethylene-acetoethylene ester compolymer

Application Number: 00124966Application Date: 2000.09.27Publication Number: 1290711Publication Date: 2001.04.11Priority Information: 2000/1/27 JP 018599/2000; 1999/9/30 JP 278852/1999International: C08F218/08Applicant(s) Name: Sumitomo Chemical Co., Ltd.Address: Inventor(s) Name: Sata TomoakiPatent Agency Code: 11021Patent Agent: yan fangAbstract A practically excellent method for producing an ethylene-vinyl acetate copolymer aqueous emulsion is provided which uses a redox catalyst comprising a transition metal… Read More »

Biuret polyisocyanic acid ester and its producing process

Application Number: 00121728Application Date: 2000.07.20Publication Number: 1335302Publication Date: 2002.02.13Priority Information: International: C07C273/18;C07C275/04;C07C275/26Applicant(s) Name: Asahi Kasei K.K.Address: Inventor(s) Name: Asahina Yoshiyuki;Katagawa Yotoku;Yasukawa AtsushiPatent Agency Code: 11219Patent Agent: ding yebengAbstract The biuret polyisocyanate is obtained through the reaction between at least one kind of diisocyanate, selected from aliphatic diisocyanate and alicyclic diisocyanate, and biuret. The biuret polyisocyanate… Read More »

Method of synthesizing atactic polyether fatty ester

Application Number: 00125113Application Date: 2000.09.12Publication Number: 1284512Publication Date: 2001.02.21Priority Information: International: C08G65/48Applicant(s) Name: Zhejiang Huangma Chemical Group Co., Ltd.Address: Inventor(s) Name: Wang Weisong;Wang Xinrong;Yan DiPatent Agency Code: 33206Patent Agent: dai xiaoxiangAbstract Atactic polyether fatty ester is obtained by using atactic alkyl polyether and fatty acid as raw material and through the esterification reaction in the… Read More »

Polymeric material with polyvinyl chloride and polyester carbonic acid ester as main material

Application Number: 00121742Application Date: 2000.07.24Publication Number: 1335336Publication Date: 2002.02.13Priority Information: International: C08L27/06;C08L67/00Applicant(s) Name: EVC-TEC AGAddress: Inventor(s) Name: P. Firlouti;G. LatineuPatent Agency Code: 72001Patent Agent: liu yuanjinAbstract The present invention is polymer materials with PVC as main component. It includes polycaprolactone derivative containing polycaprolactone segmer of molecular weight of 500-15000 and polyglycol or polypropylene glycol segmer… Read More »

N-acylamino-acid ester and N-acylamino-acetal preparing process

Application Number: 00126068Application Date: 2000.08.28Publication Number: 1286246Publication Date: 2001.03.07Priority Information: 1999/8/26 DE 19940641.3International: C07C231/12;C07C233/17;C07C233/45Applicant(s) Name: BASF AGAddress: Inventor(s) Name: J. Paust;H. Earnst;R. KazmarkPatent Agency Code: 72001Patent Agent: liu yuanjinAbstract A process for preparing N-acyl derivatives of the formula I,in which the substituents independently of one another have the following meanings:X is CH(OR<3>)2, COOR<3>;R<1 >is hydrogen,… Read More »

Method of purifying macrocyclic ester compound of musk

Application Number: 00110709Application Date: 2000.07.24Publication Number: 1335312Publication Date: 2002.02.13Priority Information: International: C07D321/00Applicant(s) Name: China Petrochemical Corp., Ltd.Address: Inventor(s) Name: Wang Chonghui;Fang Xiangchen;Tong MingyouPatent Agency Code: 21102Patent Agent: li weiAbstract The present invention discloses the purification process of macrolides musk compounds. The vapor distillation step and decoloring adsorption step are coupled so that the adsorption decoloring… Read More »

Polymeric material of polyester carbonic acid ester group and reaction for forming the same material

Application Number: 00121744Application Date: 2000.07.24Publication Number: 1335329Publication Date: 2002.02.13Priority Information: International: C08G63/64Applicant(s) Name: EVC-TEC AGAddress: Inventor(s) Name: P. Firlouti;G. LatineuPatent Agency Code: 72001Patent Agent: liu yuanjinAbstract The present invention is polymer materials of polyester carbonate. These material contains polycaprolatone segmer of molecular weight of 500-15000 and polyglycol or polypropylene glycol segmer of molecular weight of… Read More »

Method and apparatus for preparing polybenzene dicarbonic butanediol ester

Application Number: 00126472Application Date: 2000.08.30Publication Number: 1319619Publication Date: 2001.10.31Priority Information: 2000/3/9 JP 070986/2000International: C08G63/183;C08G63/82Applicant(s) Name: Hitachi Ltd.Address: Inventor(s) Name: Nakamoto Hidehiro;Harada Susumi;Maita HoshiPatent Agency Code: 11038Patent Agent: chen cuanAbstract Disclosed is a method for manufacturing macromolecule polybutylene terephthalate(PBT) with good thermal stability and hydrolysis resistance. In the preparation method, terephthalic acid(TPA) and BD are as… Read More »

Process for synthesizing maleate ester sludge

Application Number: 00110964Application Date: 2000.03.30Publication Number: 1315479Publication Date: 2001.10.03Priority Information: International: C09J135/00Applicant(s) Name: Kaida Industry (Group) Co Ltd, QingdaoAddress: Inventor(s) Name: Zhang Qiang;Zheng Kexing;Liu HePatent Agency Code: 37101Patent Agent: yang bingliAbstract A process for synthesizing maleate size for natural or chemical fibres includes such steps as esterification reaction of meleic acid or maleic anhydride, alkali… Read More »

Preparation method of cyclopropane carboxylic acid ester

Application Number: 00122576Application Date: 2000.06.16Publication Number: 1282729Publication Date: 2001.02.07Priority Information: 1999/6/16 JP 169590/99International: C07C67/28;C07C69/74;C07C69/743Applicant(s) Name: Sumitomo Chemical Co., Ltd.Address: Inventor(s) Name: Soda Hiroshi;Iwakara KazukenPatent Agency Code: 72001Patent Agent: yang jiuchangAbstract There is provided a method for producing a cyclopropanecarboxylate of formula (3): wherein R<1>, R<2>, R<3>, R<4> and R<5> each independently represent: a hydrogen atom,… Read More »

Process for prep. of (R)-and (S)-2-(4-hydroxy-pheneyloxy) propionic acid and/or its alkyl ester mixture

Application Number: 00126478Application Date: 1994.05.26Publication Number: 1332147Publication Date: 2002.01.23Priority Information: 1993/6/1 DE P4318092.2International: C07C59/13;C07C67/333;C07C67/343;C07C69/712Applicant(s) Name: BASF AGAddress: Inventor(s) Name: W. Higeyer;H. Satt;G. SchafferPatent Agency Code: 11038Patent Agent: li yongAbstract A method for preparing a mixtrure of (R)- and (S)-2-(4-hydroxyphenoxy)propionic acid and/or alkyl esters thereof with an enantiomeric excess of at least 90%, the method comprises:… Read More »

Method for synthesizing diphenyl ether carboxylic ester type weedicide

Application Number: 00112112Application Date: 2000.03.07Publication Number: 1262867Publication Date: 2000.08.16Priority Information: International: A01N37/48Applicant(s) Name: Inst. of Agricultural Chemicals, Jiangsu Prov.Address: Inventor(s) Name: Liu Qingxian;Zhu Changwu;Xiong JianminPatent Agency Code: 32102Patent Agent: wang heyangAbstract New synthesis method of diphenyl ether carboxylic ester type weedicide uses 5-(2-chloro-4-trifluoromethyl phenoxy)-2-nitrobenzoic acid, alkali metal carbonate and halogenated carboxylic ester as raw material… Read More »

Process for producing hydroxyalkyl ester

Application Number: 00122692Application Date: 2000.08.16Publication Number: 1286243Publication Date: 2001.03.07Priority Information: 2000/4/3 JP 101408/2000; 1999/8/16 JP 229706/1999International: C07C67/24;C07C69/54Applicant(s) Name: Nippon Shokubai Co., Ltd.Address: Inventor(s) Name: Shinya Kyohiro;Ishida Tokusei;Shibusawa BunseiPatent Agency Code: 11038Patent Agent: liu jinhuiAbstract The present invention provide a production process for a hydroxyalkyl ester which comprises the step of carrying out a reaction between… Read More »