Tag Archives: ACID

Stepped regeneration process of sulfuric acid after water desalting treatment

Application Number  00129467 Application Date  2000.12.29 Publication Number  1361069 Publication Date  2002.07.31 Priority Information     International Classification  C02F1/42   Applicant(s) Name  Qilu Petrochemical Co., China Petrochemical Group   Address     Inventor(s) Name  Xi Wenhong;Li Shengtai;Peng Sen   Patent Agency Code  37103 Patent Agent  geng xia AbstractThe present invention features that in the cationic… Read More »

Method for inferring base component of nucleic acid

Application Number  00129419 Application Date  2000.12.20 Publication Number  1360056 Publication Date  2002.07.24 Priority Information     International Classification  C12Q1/68   Applicant(s) Name  Wu Chang   Address     Inventor(s) Name  Wu Chang;Wu Ming   Patent Agency Code  00000 Patent Agent   AbstractA method for inferring the base component of nucleic acid includes the hybridization of… Read More »

Production process of 2-ethyl hexanoic acid

Application Number  00129414 Application Date  2000.12.15 Publication Number  1357527 Publication Date  2002.07.10 Priority Information     International Classification  C07C51/235;C07C53/126   Applicant(s) Name  Qilu Petrochemical Co., China Petrochemical Corp.   Address     Inventor(s) Name  Liu Fusheng;Shao Changdong;Ding Wenguang   Patent Agency Code  37103 Patent Agent  geng xia AbstractThe production process of 2-ethyl hexanoic acid is… Read More »

Process for nucleic acid moleculae hybridization and its equipment

Application Number  00129371 Application Date  2000.12.01 Publication Number  1356392 Publication Date  2002.07.03 Priority Information     International Classification  C07H21/00;C12P19/34;C12Q1/68   Applicant(s) Name  Wu Chang   Address     Inventor(s) Name  Wu Chang;Mu Ming   Patent Agency Code  00000 Patent Agent   AbstractA method for nucleic acid moleculae hybridization features that contact of the nucleic acid… Read More »

Method for making nucleic acid molecular hybridization by using gene chip

Application Number  00129343 Application Date  2000.11.22 Publication Number  1354260 Publication Date  2002.06.19 Priority Information     International Classification  C12Q1/68   Applicant(s) Name  Wu Chang   Address     Inventor(s) Name  Wu Chang;Wu Ming   Patent Agency Code  00000 Patent Agent   AbstractThe method for making nucleic acid molecular hybridization by using gene chip is characterized… Read More »

Method for amplifying and labeling nucleic acid moleculae

Application Number  00129324 Application Date  2000.11.15 Publication Number  1353199 Publication Date  2002.06.12 Priority Information     International Classification  C12P19/34;C12Q1/68   Applicant(s) Name  Wu Chang   Address     Inventor(s) Name  Wu Chang;Wu Ming   Patent Agency Code  00000 Patent Agent   AbstractA process for amplifying and labelling nucleic acid molecules includes polymerase china reaction and… Read More »

Method for prepn. of acetic acid

Application Number  00129291 Application Date  2000.09.30 Publication Number  1336360 Publication Date  2002.02.20 Priority Information   1995/4/27 JP 104027/95   International Classification  C07C51/12;C07C53/08   Applicant(s) Name  Daicel Chemical Industries Ltd.   Address     Inventor(s) Name  Morimoto Yoshiaki;Uchiyama Hiroyuki;Agano Kishi   Patent Agency Code  11105 Patent Agent  wu xiaonan AbstractA process for producing acetic acid by… Read More »

Synthesis of ketonic acid lactone amino carbomate antibiotics

Application Number  00129252 Application Date  2000.09.29 Publication Number  1289778 Publication Date  2001.04.04 Priority Information   1999/9/29 US 60/156,554   International Classification  C07H17/08   Applicant(s) Name  Pfizer Products Inc.   Address     Inventor(s) Name  Kaneka Takashi;R.W. MacLeokelin;W.T. MacMillan   Patent Agency Code  11105 Patent Agent  wu xiaonan AbstractThe invention relates to a method of preparing… 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 »

Process for preparing 1-hydroxyl-1-carboxylfatty phosphonic acid

Application Number  00128917 Application Date  2000.09.15 Publication Number  1309128 Publication Date  2001.08.22 Priority Information     International Classification  C07F9/38   Applicant(s) Name  Lanzhou Petro-Chemical Branch, China National Petroleum Corp.   Address     Inventor(s) Name  Wei Cunfa;Lu Hong;Liang Baofeng   Patent Agency Code  62004 Patent Agent  ma yanping AbstractA process for synthesizing 1-hydroxy-1-carboxylfatty phosphonic acid… Read More »

Process for preparing WOx-ZrO2 catalyst of super-strong acid

Application Number  00128731 Application Date  2000.09.11 Publication Number  1304794 Publication Date  2001.07.25 Priority Information     International Classification  B01J23/652;B01J37/04   Applicant(s) Name  Shanxi Inst of Coal Chemistry, Chinese Academy of Sciences   Address     Inventor(s) Name  Sun Yuhan;Peng Shaoyi;Li Fang   Patent Agency Code  14001 Patent Agent  zhang chenghua AbstractA WOx-ZrO2 catalyst of super-strong… 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 »

Naphthenic acid and fuel oil producing process by using acid sludge as material

Application Number: 00110547Application Date: 2000.06.19Publication Number: 1277182Publication Date: 2000.12.20Priority Information: International: C07C57/00;C10L1/00Applicant(s) Name: Hu YueAddress: Inventor(s) Name: Hu Yue;Yuan Sai;Hu LingnaPatent Agency Code: 21207Patent Agent: li yutongAbstract Acid sludge is first mixed with alkali solution to depolymerize and dewater and then mixed with ethyl ether or petroleum ether to deoil; the mother liquor is mixed… Read More »

Tetracydic fluoquinolone carboxylic acid, its preparing process and medicinal composition containing it as active component

Application Number: 00112170Application Date: 2000.03.24Publication Number: 1279241Publication Date: 2001.01.10Priority Information: International: A61K31/535;A61K31/54;A61P31/04;C07D513/16;C07D519/00Applicant(s) Name: Chinese Pharmacy UnivAddress: Inventor(s) Name: Wang Erhua;Zhang Xiuzhi;Wu BaoquanPatent Agency Code: 32102Patent Agent: zhou hebengAbstract A tetracyclic fluoquinolone carboxylic acid, its preparing process and its medicinal composition containing its active components are disclosed. Its antibacterial activity is higher than ofloxacin.

Amino acid composite liquid fertilizer

Application Number: 00114635Application Date: 2000.06.16Publication Number: 1328983Publication Date: 2002.01.02Priority Information: International: A01N65/00;C05F15/00;C05G3/00Applicant(s) Name: Guangxi Inst. of Chemical & Biological TechnologyAddress: Inventor(s) Name: Nong Ping;Luo Runchang;Tang PingyingPatent Agency Code: 45104Patent Agent: lai guangyeAbstract The present invention describes a compound liquid fertilizer containing amino acids and elements necessary for plants. It is formed from amino acids fermenting… Read More »

Polyacrylic acid graft copolymer workable high hydroscopicity resin

Application Number: 00116231Application Date: 2000.05.30Publication Number: 1272505Publication Date: 2000.11.08Priority Information: International: C08F2/06;C08F257/02Applicant(s) Name: Shanghai Jiaotong Univ.Address: Inventor(s) Name: Wang Guojian;Yan DeyuePatent Agency Code: 31201Patent Agent: mao cuiyingAbstract The present invention relates to a polyacrylic graft copolymerized workable high-hydroscopicity resin, and is characterized by that it uses p(o)-halomethyl styrene and styrene as monomer, and uses 2,2'-dipyridyl/cuprous… Read More »

Method for removing soluble metal of organic composite acid and alkaline effluent material

Application Number: 00118156Application Date: 2000.04.30Publication Number: 1273229Publication Date: 2000.11.15Priority Information: 1999/5/6 FR 9905790International: C07B63/00Applicant(s) Name: Frankaule Pigment S. A.Address: Inventor(s) Name: K. Nahoen;G. KosbuioPatent Agency Code: 11038Patent Agent: duan chengenAbstract Metal dissolved in acidic and/or basic waste from an organic chemical process is recovered by adding a strong acid to adjust and maintain its pH… Read More »

Improved method of preparing acrylic acid from propylene and purification of produced acrylic acid

Application Number: 00121697Application Date: 2000.07.24Publication Number: 1282727Publication Date: 2001.02.07Priority Information: 1999/7/23 US 60/145,308International: C07C57/07;C07C51/25;C07C51/42Applicant(s) Name: Rohm and Haas Co.Address: Inventor(s) Name: J.E. Aiud;C.M. Rortsata;P.D. KrugtsPatent Agency Code: 11038Patent Agent: sun aiAbstract This invention relates to an improved process for preparing acrylic acid from propylene using a tandem reactor and utilizing an increased amount of propylene… Read More »

Functionalized polyamido acid fine particle, functionalized polyimide fine particle and their production method

Application Number: 00123653Application Date: 2000.08.24Publication Number: 1340554Publication Date: 2002.03.20Priority Information: International: C08G69/26Applicant(s) Name: Sumitomo Bakelite Co., Ltd. OsakaAddress: Inventor(s) Name: Asao Katsuya;Morita Kin;Onishi KinPatent Agency Code: 11219Patent Agent: ding yebengAbstract A process for prparing polyamide acid and polyimide microparticles with functional radicals on their surfaces includes such steps as providing tetracarboxylic acid anhydride and diamine… Read More »

Alkylating method of hindered sulfonic acid

Application Number: 00126476Application Date: 2000.08.25Publication Number: 1288885Publication Date: 2001.03.28Priority Information: 1998/4/10 US 60/081,310International: C07C311/01;C07C311/15;C07D493/00Applicant(s) Name: Pfizer Products Inc.Address: Inventor(s) Name: J.M. HaukinsPatent Agency Code: 11038Patent Agent: wang jieAbstract The present invention relates to a process for alkylating hindered sulfonamides by Michael addition to propiolates and to novel intermediates prepared in said process.

Process for preparing phosphoric acid

Application Number: 00111330Application Date: 2000.09.01Publication Number: 1340457Publication Date: 2002.03.20Priority Information: International: C01B25/222Applicant(s) Name: Lubei Enterprise Group Co, ShandongAddress: Inventor(s) Name: Feng Yisheng;Feng Jiutian;Liu XigangPatent Agency Code: 00000Patent Agent: Abstract A production process for preparing phosphoric acid is disclosed, which uses two reactors. The phosphorus ore slurry and sulfuric acid are charged twice. For the first… Read More »

Solid acid with high selectivity and activity for esterification and its prpen.

Application Number: 00112921Application Date: 2000.05.11Publication Number: 1323655Publication Date: 2001.11.28Priority Information: International: B01J27/053;B01J37/02;B01J37/08Applicant(s) Name: Chengdu Inst. of Organic Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Chu Wei;Hu Jianping;Qiu FaliPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to a high selectivity, high activing new type solid acid catalyst for esterification and its preparation method. Ferric… Read More »

Polypeptide-human 2-hydroxy acid dehydrogenase 16 and polynucleotide for coding it

Application Number: 00115096Application Date: 2000.03.24Publication Number: 1315516Publication Date: 2001.10.03Priority Information: International: A61K38/44;C07K16/40;C12N9/04;C12N15/53;C12N15/63;C12Q1/32;C12Q1/68Applicant(s) Name: Bode Gene Development Co Ltd, ShanghaiAddress: Inventor(s) Name: Mao Yumin;Xie YiPatent Agency Code: 00000Patent Agent: Abstract A new polypeptide-human 2-hydroxy acid dehydrogenase 16, the polynucleotide for coding it, the process for preparing this polypeptide by DNA recombination, the application of said polypeptide… Read More »

A novel polypeptide-NAD-dependent 2-hydroxy acid hydrogenase family protein 11 and polynucleotide for coding this polypeptide

Application Number: 00116661Application Date: 2000.06.21Publication Number: 1329019Publication Date: 2002.01.02Priority Information: International: A61K31/7088;A61K38/16;A61K38/17;A61K39/395;A61P7/00;A61P31/00;A61P31/18;A61P35/00;A61P37/00;C07H21/00;C07K14/00;C07K14/435;C07K16/00;C07K16/18;C12N15/10;C12N15/11;C12N15/12;C12N15/63;C12N15/64;C12P21/00;C12Q1/68;G01N33/68Applicant(s) Name: Shanghai Bode Gene Dvelopment Co. Ltd.Address: Inventor(s) Name: Mao Yumin;Xie YiPatent Agency Code: 00000Patent Agent: Abstract The present invention discloses a novel polypeptide-NAD-dependent 2-hydroxy acid dehydrogenase familial protein 11, the polynucleotide for coding this polypeptide and a method for producing this polypeptide… Read More »

Method for preparing propenoic acid

Application Number: 00119215Application Date: 2000.05.26Publication Number: 1277955Publication Date: 2000.12.27Priority Information: 1999/5/27 JP 147451/99International: C07C51/235;C07C57/055Applicant(s) Name: Nippon Shokubai Co., Ltd.Address: Inventor(s) Name: Yuki Hiromi;Tanimoto Michio;Nakamura TaisukePatent Agency Code: 72001Patent Agent: zhang yuanzhongAbstract A process for producing acrylic acid through vapor-phase catalytic oxidation of acrolein or acrolein-containing gas with molecular oxygen or a molecular oxygen-containing gas using… Read More »

Process for mfg. acrolein and propenoic acid

Application Number: 00122609Application Date: 2000.08.03Publication Number: 1283604Publication Date: 2001.02.14Priority Information: 1999/8/4 JP 221428/99International: C07C27/14;C07C45/35;C07C47/22;C07C51/25;C07C57/04Applicant(s) Name: Nippon Shokubai Co., Ltd.Address: Inventor(s) Name: Tanimoto Michio;Yuki Hiromi;Hironaka HideyukiPatent Agency Code: 72001Patent Agent: wang jingchaoAbstract The present invention provides a process for producing acrolein and acrylic acid by the vapor-phase oxidation of propylene in the presence of Mo-Bi-Fe-based compound… Read More »

Ternary composite oil-displacing system with plant carboxylic acid surfactant and its application

Application Number: 00124892Application Date: 2000.09.21Publication Number: 1344776Publication Date: 2002.04.17Priority Information: International: C09K7/02Applicant(s) Name: Prospecting &. Exploitation Inst., Daqing Oil Field Co., Ltd.Address: Inventor(s) Name: Cheng Jiecheng;Yang ZhenyuPatent Agency Code: 11021Patent Agent: wang huiminAbstract The ternary composite oil-displacing system consists of plant carboxylate 0.01-1.0 wt%, alkali 0.1-2.0 wt% and polymer 0.1-20 g/L. The system is superior… Read More »

New polypeptide-NAD-dependent 2-hydroxy acid dehydrogenase family protein 24.53 and polynucleotide for encoding such polypeptide

Application Number: 00127283Application Date: 2000.11.06Publication Number: 1352264Publication Date: 2002.06.05Priority Information: International: A61K38/44;C07K16/40;C12N9/04;C12N15/53;C12N15/63;C12Q1/32;C12Q1/68Applicant(s) Name: Bode Gene Development Co., Ltd., ShanghaiAddress: Inventor(s) Name: Mao Yumin;Xie YiPatent Agency Code: 00000Patent Agent: Abstract The present invention discloses a new kind of polypeptide, NAD-dependent 2-hydroxy acid dehydrogenase family protein 25.53, polynucleotides for encoding this polypeptide and DNA recombination process to… Read More »

Solid phosphoric acid catalyst activity controlling method

Application Number: 00111726Application Date: 2000.02.24Publication Number: 1310045Publication Date: 2001.08.29Priority Information: International: B01J27/16Applicant(s) Name: China Petrochemical Group Corp.Address: Inventor(s) Name: Chen Yongfu;Yao Yaping;Yuan MeiqinPatent Agency Code: 31102Patent Agent: yuan mengchangAbstract Unlike available technology, which evaluates catalyst activity via the contact between reactant material and catalyst in reactor and is complex and long in reaction period, the… Read More »

Process for preparing barium carboxylate by reaction of witherite on carboxylic acid

Application Number: 00113761Application Date: 2000.03.16Publication Number: 1271718Publication Date: 2000.11.01Priority Information: International: C07C51/41Applicant(s) Name: Xibei Univ.Address: Inventor(s) Name: Wu Shurong;Xiong Weimiao;Chang ZhuguoPatent Agency Code: 61202Patent Agent: li wenxiAbstract A process for preparing barium carboxylate is disclosed, which features use of natural witherite as barium source other than barium carbonate or barium hydroxide. Said process includes reaction… Read More »