Tag Archives: carboxylate

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 »

Dibenzo-1,3-dioxo-cyclooctane-2-oximino carboxylate compound with herbicidal activity

Application Number: 00110733Application Date: 2000.07.27Publication Number: 1336371Publication Date: 2002.02.20Priority Information: International: A01N43/28;C07D319/04Applicant(s) Name: Shenyang Chemical Engineeirng Inst.Address: Inventor(s) Name: Li Bin;Lao Rui;Siban GelePatent Agency Code: 21101Patent Agent: cong fenglanAbstract The present invention relates to dibenzo-1,3-diketo-cyclooctane-2-carboxyoximate like compound possessing herbicide activity and its composition product. The chemical structural formula is disclosed in present invention.

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 »

Process for preparing stereoisomer carboxylate

Application Number: 00102398Application Date: 2000.02.25Publication Number: 1266904Publication Date: 2000.09.20Priority Information: 1999/2/25 DE 19908074.7International: C12P7/62Applicant(s) Name: BASF AGAddress: Inventor(s) Name: U. Pohnscheer;E. Hencke;H. YannPatent Agency Code: 72001Patent Agent: wang jingchaoAbstract The present invention relates to a process for the preparation of stereoisomeric carboxylic acid esters consisting of an acid and of an alcohol component each having… Read More »

Process for preparing dialkylamino ethanol carboxylate and its salt

Application Number: 00101728Application Date: 2000.01.17Publication Number: 1305987Publication Date: 2001.08.01Priority Information: International: C07C227/16;C07C229/22;C07C229/24Applicant(s) Name: Zhenluse Technology Co Ltd, Zhuhai CityAddress: Inventor(s) Name: Gao Duanyang;Wu Chaoyu;Lu QingPatent Agency Code: 00000Patent Agent: Abstract A process for preparing dialkylamino ethanol carboxylate and its salt [[CH3(CH2)nCOOCH2CH2N(R')2](HR2)x], features the direct reaction of the derivative of carboxylic [CH3(CH2)nCOR2] on dialkylamino ethanol [HOCH2CH2N(R')2]… Read More »

Process for preparing carboxylate surfactant from natural plant oil for ternary petroleum recovery

Application Number: 00101371Application Date: 2000.02.15Publication Number: 1300811Publication Date: 2001.06.27Priority Information: International: C09K7/02Applicant(s) Name: Technology Development Industry Co, Daqing Petroleum AdministrationAddress: Inventor(s) Name: Cui Changhai;Chang Jiabin;Cheng JiechengPatent Agency Code: 23119Patent Agent: li shuminAbstract A carboxylate surfactant for ternary petroleum recovery is prepared from natural plant oil through biologic fermenting to increase activity and amidating with amine… Read More »