Tag Archives: ether

Process and catalyst for cracking methyl tert-amyl ether to prepare test-amyl olefine

Application Number  00129388 Application Date  2000.12.08 Publication Number  1357522 Publication Date  2002.07.10 Priority Information     International Classification  C07C11/10;C07C1/00   Applicant(s) Name  Qilu Petrochemical Co., China Petrochemical Corp.   Address     Inventor(s) Name  Sun Xinde;Meng Fanmei;Hao Xingren   Patent Agency Code  37001 Patent Agent  chen huizhen AbstractThe present invention relates to process and catalyst… Read More »

Oil-producing method using ether carboxylate as oil displacement system

Application Number  00129383 Application Date  2000.12.05 Publication Number  1296115 Publication Date  2001.05.23 Priority Information     International Classification  C07C59/125;E21B43/22   Applicant(s) Name  Petroleum Univ. (Huadong)   Address     Inventor(s) Name  Wang Yefei;Zhao Fulin   Patent Agency Code  11013 Patent Agent  zhao dongye AbstractThe present invention relates to an oil production method in which ether… Read More »

Preparation process of arene alkyl ether

Application Number: 00115979Application Date: 2000.08.25Publication Number: 1284491Publication Date: 2001.02.21Priority Information: International: C07C41/01;C07C43/164Applicant(s) Name: Wuhan City Inst. of Organic Synthetic MaterialAddress: Inventor(s) Name: Chen Limin;Mao LiminPatent Agency Code: 42104Patent Agent: zhao senlinAbstract The present invention aims at providing high-quality arene alkyl ether product in high yield. The product is obtained through processes of dissolving arene alkyl… Read More »

Ether product producing process

Application Number: 00123957Application Date: 2000.10.18Publication Number: 1348945Publication Date: 2002.05.15Priority Information: International: C07C41/06;C07C43/02Applicant(s) Name: Qilu Petrochemical Co., China Petrochemical GroupAddress: Inventor(s) Name: Hao Xingren;Yang Zongren;Gao BuliangPatent Agency Code: 37001Patent Agent: chen huizhenAbstract This invention relates to a production method for ether products. After the tert-olefine-contained light hydrocarbon undergoes etherification reaction with alcohol in a (pre-) etherification… Read More »

Molecular sieve catalyst for synthesizing methyl tert-butyl ether and its preparing process

Application Number: 00118207Application Date: 2000.06.01Publication Number: 1304798Publication Date: 2001.07.25Priority Information: International: B01J29/40Applicant(s) Name: Shanxi Inst of Coal Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Li Guohui;Zhou Jinghai;Yuan XingdongPatent Agency Code: 14001Patent Agent: wei shuweiAbstract A molecular sieve catalyst for synthesizing methyltert-butyl ether contains molecular sieve and heteropoly acid in ratio of (1-100):(1-70). In the molecular… Read More »

Titanium chelating phenolic acetal ether and its IPN anticorrosive paint series

Application Number: 00126583Application Date: 2000.09.29Publication Number: 1344772Publication Date: 2002.04.17Priority Information: International: C09D5/08;C09D161/06Applicant(s) Name: Zhou WenfuAddress: Inventor(s) Name: Zhou WenfuPatent Agency Code: 00000Patent Agent: Abstract Titanium chelating phenolic acetal ether resin is produced by using urushiol as main material and through successive reaction with formaldehyde, alcohol and abietic acid in the presence of catalyst and blocking… Read More »

Method for crushing paper pulp into powders and method for producing cellulose ether

Application Number: 00118796Application Date: 2000.06.29Publication Number: 1287195Publication Date: 2001.03.14Priority Information: 1999/6/29 JP 182947/1999International: D21C5/02Applicant(s) Name: Shin-Etsu Chemical Co., Ltd.Address: Inventor(s) Name: Shima Yukio;Narita Mitsuo;Hatayama AtsujiPatent Agency Code: 11038Patent Agent: zheng xiuzheAbstract Pulp is ground by means of a vertical roller mill, Figure 1. The average particle diameter of the resulting powdered pulp is adjusted to… Read More »

Method of preparing P-hydroxy methylphenyl ether with P-amino methylphenyl ether

Application Number: 00126631Application Date: 2000.10.12Publication Number: 1348946Publication Date: 2002.05.15Priority Information: International: C07C41/26;C07C43/23Applicant(s) Name: Zhongqiang Dye Chemical Co., Ltd., ShaoyangAddress: Inventor(s) Name: Fan DingjinPatent Agency Code: 00000Patent Agent: Abstract This invention provides a method for preparing p-hydroxyanithole with p-aminoanithole through diazo and hydrolytic reactions. The process is first to prepare sulphate which reacts with sodium nitrate… Read More »

Automatic data transmission rate control equipment and method for proofing overflow on ether net adaptor

Application Number: 00118890Application Date: 2000.06.23Publication Number: 1291028Publication Date: 2001.04.11Priority Information: 1999/6/23 KR 23728/99International: H04L12/28Applicant(s) Name: Samsung Electronics Co., Ltd.Address: Inventor(s) Name: Ryu Sung-Hwa;Chung Kim-WooPatent Agency Code: 72001Patent Agent: wu limengAbstract Disclosed is a device of automatically controlling a data transmission rate for preventing a generation of an overflow in an Ethernet switch having a pair… Read More »

Low-pressure electric controlled dimethyl ether fuel injection system

Application Number: 00119435Application Date: 2000.07.11Publication Number: 1275676Publication Date: 2000.12.06Priority Information: International: F02D41/36;F02M21/02Applicant(s) Name: Shanghai Jiaotong Univ.Address: Inventor(s) Name: Huang Zhen;Zhang Guangde;Qiao XinqiPatent Agency Code: 31201Patent Agent: zhou wenjuanAbstract The present invention is mainly formed from fuel injector, electric control unit, electromagnetic valve, pressure gauge, pressure-regulating valve, high-pressure nitrogen gas cylinder, dimethyl ether fuel tank, non-return… Read More »

Method of forming controllable premixed dimethyl ether fuel

Application Number: 00119437Application Date: 2000.07.11Publication Number: 1287243Publication Date: 2001.03.14Priority Information: International: F23D14/62Applicant(s) Name: Shanghai Jiaotong Univ.Address: Inventor(s) Name: Huang Zhen;Zhang Guangde;Qiao XinqiPatent Agency Code: 31201Patent Agent: zhou wenjuanAbstract In the present invention, one controllable premixed dimethyl ether gas forming device is used. In the later stage of induction stroke or the initial stage of the… Read More »

Process for synthesizing dimethyl ether in three-phase slurry bed

Application Number: 00119799Application Date: 2000.08.31Publication Number: 1285340Publication Date: 2001.02.28Priority Information: International: C07C41/01;C07C43/04Applicant(s) Name: China Petrochemical Co., Ltd.Address: Inventor(s) Name: Fang Dingye;Cao Fahai;Liu DianhuaPatent Agency Code: 31203Patent Agent: luo dachenAbstract The method for synthesizing dimethyl ether in three-phase slurry bed is characterized by that the catalyst is suspended in inert solvent, and placed in tower-type or… Read More »

Catalyst for preparing dimethyl ether and its preparing process

Application Number: 00121542Application Date: 2000.08.11Publication Number: 1338332Publication Date: 2002.03.06Priority Information: International: B01J29/46;B01J37/04Applicant(s) Name: Chinese Petro-Chemical Co LtdAddress: Inventor(s) Name: Liu Zhijian;Liao Jianjun;Nie HongPatent Agency Code: 72001Patent Agent: xu shuAbstract A catalyst for preparing dimethylether by hydrogenating CO2 is prepared from active component (copper oxdie, zinc oxide, and activated carbon and/or alumine and/or zirconium oxide) and… Read More »

High-substituted hydroxypropylcellulose ether and its preparing process

Application Number: 00111228Application Date: 2000.07.20Publication Number: 1286265Publication Date: 2001.03.07Priority Information: International: C08B11/08Applicant(s) Name: Ruitai Cellulose Co Ltd, Tai'anAddress: Inventor(s) Name: Lu Xingfu;Sun Jiangang;Feng ChuanweiPatent Agency Code: 37207Patent Agent: yao dechangAbstract An "One-step slurry method" is used to prepare high-substituted hydroxypropyl cellulose ether containing hydroxypropoxy (50-80%) includes alkalizing, etherifying and neutralizing. It can be dissolved in… Read More »

Catalyst for preparing dimethyl ether

Application Number: 00121547Application Date: 2000.08.11Publication Number: 1338331Publication Date: 2002.03.06Priority Information: International: B01J29/06;B01J29/14;B01J29/46;C07C41/01;C07C43/04Applicant(s) Name: Chinese Petro-Chemical Co LtdAddress: Inventor(s) Name: Liu Zhijian;Liao Jianjun;Nie HongPatent Agency Code: 72001Patent Agent: xu shuAbstract A catalyst for preparing dimethylether by hydrogenating CO2 is prepared from active component (copper oxide and zinc oxide) and zeolite carrier which may be H beta-zeolite… 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 »

Liquid alicyclic olefin compound containing ether bond and its preparing process

Application Number: 00123738Application Date: 2000.09.01Publication Number: 1340493Publication Date: 2002.03.20Priority Information: International: C07C41/01;C07C43/188Applicant(s) Name: Ins of Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Wang Zhonggang;Xie Meiran;Zhao YunfengPatent Agency Code: 11021Patent Agent: hu jiaoyuAbstract A liquid alicyclic olefin compound containing ether bond is disclosed, and it is prepared through reaction between alicyclic olefin alkoxide and alkaline reagent,… Read More »

Prepn. of diphenyl ether tetraformic dianhydride

Application Number: 00114890Application Date: 2000.05.19Publication Number: 1324794Publication Date: 2001.12.05Priority Information: International: C07D307/89Applicant(s) Name: Heilongjiang Prov. Inst. of PetrochemistryAddress: Inventor(s) Name: Wang Kuntang;Shen Xiangrui;Zhang ShuqinPatent Agency Code: 23111Patent Agent: wang gangAbstract A preparation method of diphenyl ether tetracarboxylic dianhydride which is a useful chemical intermediate, can be used for preparing various compounds, and at the same… Read More »

Catalyst for preparing ether and alcohol by hydrating and etherifying propylene

Application Number: 00123948Application Date: 2000.10.16Publication Number: 1298761Publication Date: 2001.06.13Priority Information: International: B01J29/06;B01J31/02;C07C27/00Applicant(s) Name: China Petro-Chemical Group Corp.Address: Inventor(s) Name: Liu Jinlong;Sun Diancheng;Qiu RuyiPatent Agency Code: 41100Patent Agent: chen yuangangAbstract The present invention relates to a catalyst for preparing ether and aleohol by propylene hydrote etherification. Said catalyst uses one or more than one kind of… Read More »

Synthesis of poly glycol monomethyl ether cholesterol succinate derivative and its preparation

Application Number: 00110157Application Date: 2000.03.01Publication Number: 1311189Publication Date: 2001.09.05Priority Information: International: A61K9/127;A61K9/50;A61K31/765;C07J9/00;C08F261/00Applicant(s) Name: Shenyang Pharmacy Univ.Address: Inventor(s) Name: Deng Yihui;Li Huanqiu;Gu XueqiuPatent Agency Code: 21207Patent Agent: li yutongAbstract This invention is a synthesis of polyglycol monomethyl ether cholesterol succinate derivative and its preparation; it can coat the lipoid, emulsion and micro m capsule (granule), prolong… Read More »

Unsaturated oximino ether bactericide

Application Number: 00110143Application Date: 2000.02.24Publication Number: 1309897Publication Date: 2001.08.29Priority Information: International: A01N35/10Applicant(s) Name: Shenyang Chemical Engineering Inst.Address: Inventor(s) Name: Zhang Lixin;Liu Dongqing;Steve.H. SaiboPatent Agency Code: 21101Patent Agent: cong fenglanAbstract The present invention relates to unsaturated oximino ether and its stereoisomer as fungicide compound. Compared with available unsaturated oximino ether, the present invention has high fungicidal… Read More »

Hydroxy diphenyl ether compound

Application Number: 00108932Application Date: 2000.05.19Publication Number: 1275376Publication Date: 2000.12.06Priority Information: 1999/5/20 EP 99810442.6International: A61K31/075;A61K8/34;A61Q11/00;C11D3/48;A01N31/14Applicant(s) Name: Ciba Specialty Chemicals Holding Inc.Address: Inventor(s) Name: W. Herzier;W. Halp;D. AuksPatent Agency Code: 72001Patent Agent: liu yuanjinAbstract The present invention relates to the use of hydroxydiphenyl ether compounds as antimicrobially active substances, to certain new compounds of this type and… Read More »

Water soluble cellulose ether composition and adhesive materials

Application Number: 00108603Application Date: 2000.03.30Publication Number: 1270196Publication Date: 2000.10.18Priority Information: 1999/3/30 JP 87537/1999International: C09J101/02Applicant(s) Name: Shin-Etsu Chemical Co., Ltd.Address: Inventor(s) Name: Sasage Gomei;Yamakawa TsutomuPatent Agency Code: 11038Patent Agent: yang hongjunAbstract The present invention provides a water-soluble cellulose ether composition that is improved in fluidity and other flow properties to attain much better coating property, when… Read More »

Inorganic covalent 2,4,4-trichloro-2-hydroxy diphenyl ether antibiotic and its preparing method

Application Number: 00107870Application Date: 2000.06.28Publication Number: 1290482Publication Date: 2001.04.11Priority Information: International: A01N59/00Applicant(s) Name: Wang XuepingAddress: Inventor(s) Name: Wang Xueping;Shi YingjiPatent Agency Code: 11139Patent Agent: sun haochenAbstract The antibiotic contains 2,4,4-trichloro-2-hydroxy diphenyl ether, organosilicons double-stranded quaternary ammonium salt and lanthanium chloride as rare earth compound and is prepared through crushing, stoving, mixing of the said materials… Read More »

Preparation and purification process of 2,4,4'-trichloro-2'-nitro diphenyl ether as material of germicide

Application Number: 00105861Application Date: 2000.04.14Publication Number: 1267663Publication Date: 2000.09.27Priority Information: International: A01N33/18;C07C201/10;C07C205/11Applicant(s) Name: Lu JunruiAddress: Inventor(s) Name: Lu JunruiPatent Agency Code: 12100Patent Agent: yan dunfenAbstract The 2,4,4'-trichloro-2'-nitro diphenyl ether is prepared with potassium hydroxide,2,4-dichlorophenol and 2,5-dichloronitrobenzene in the mole ratio of 1-1.3 to 1-1.3 to 1 as well as water and through the process of… Read More »

Process for production of ether on catalytic distillation tower

Application Number: 00105460Application Date: 2000.04.06Publication Number: 1272484Publication Date: 2000.11.08Priority Information: 1999/4/6 US 286722International: C07C41/06;C07C43/04Applicant(s) Name: Interwip Co., Ltd.Address: Inventor(s) Name: Leonardo Escalant;Jose Casto Gansaretz;Zayda ErnandesPatent Agency Code: 11216Patent Agent: liu jiyangAbstract A process for preparing ethers includes the steps of: providing a feedstock containing iso-olefins selected from the group consisting of C5 iso-olefins, C6 iso-olefins… Read More »

Aromatic amino ether as analgesics

Application Number: 00104017Application Date: 2000.03.10Publication Number: 1286254Publication Date: 2001.03.07Priority Information: 1994/7/25 GB 9414924.2; 1995/1/24 GB 9501288.6International: A61K31/381;A61K31/41;A61K31/44;A61K31/495;A61P25/04;A61P29/00;C07D213/62;C07D237/14;C07D239/34;C07D241/18;C07D261/12;C07D263/36;C07D275/03;C07D277/34;C07D285/12;C07D333/32Applicant(s) Name: Zeneca Ltd.Address: Inventor(s) Name: G.A. Briot;J. Offield;H. TakerPatent Agency Code: 72001Patent Agent: tan mengshengAbstract The present invention relates to compounds of formula (I), and chemically possible N-oxides of NR<2>; and chemically possible S-oxides of sulphur containing rings;… Read More »

Dimethyl ether blending and burning technology

Application Number: 00103920Application Date: 2000.03.01Publication Number: 1272525Publication Date: 2000.11.08Priority Information: International: C10L1/00Applicant(s) Name: Taiyuan Univ. of Science & EngineeringAddress: Inventor(s) Name: Yang Qingfo;Hu ZhenPatent Agency Code: 14101Patent Agent: pang jianyangAbstract A blending combustion technology with dimethyl ether, belonging to the field of the energy application development technology and the heat energy power and fuel technology,… Read More »

Carried heteropoly acid catalyst for preparing dimethyl ether by dewatering methanol and its preparing process

Application Number: 00102506Application Date: 2000.02.17Publication Number: 1308987Publication Date: 2001.08.22Priority Information: International: B01J32/00;B01J37/02;C07C41/09;C07C43/04Applicant(s) Name: Dongbei Normal UnivAddress: Inventor(s) Name: Qu Lunyu;Wang Shouguo;Wang YuanhongPatent Agency Code: 22202Patent Agent: liu yanjunAbstract A carried heteropoly acid catalyst for preparing dimethylether by dewatering methanol contains heteropoly acid (1-50 m%), gamma-Al2O3 (25-98.2 m%), TiO2 (0.1-20 m%) and La2O3 (0.1-5 m%), and… Read More »

Method for synthesising mixture of methanol and dimethyl ether from syngas

Application Number: 00101883Application Date: 2000.02.02Publication Number: 1270157Publication Date: 2000.10.18Priority Information: 1999/2/2 DK PA199900132International: C07C27/04;C07C31/04;C07C29/151;C07C43/04Applicant(s) Name: Haldor Topsoe A/SAddress: Inventor(s) Name: J. Hogard;B. VausPatent Agency Code: 72001Patent Agent: zhang yuanzhongAbstract An improved process for the production of a methanol and dimethyl ether mixture rich in DME from essentially stoichiometrically balanced synthesis gas by a novel combination… Read More »