Tag Archives: phenol

Integrated phenol hydroxylating process of preparing dihydroxylbenzene

Application Number  00129478 Application Date  2000.12.29 Publication Number  1361094 Publication Date  2002.07.31 Priority Information     International Classification  C07C37/60;C07C39/08   Applicant(s) Name  Inst., Beijing Yanshan Petrochemical Co.   Address     Inventor(s) Name  Zhang Xinfang;Chen Xiaodong;Zang Fulu   Patent Agency Code  11038 Patent Agent  sun ai AbstractThe present invention is the integrated phenol hydroxylating process… Read More »

Method for preparing phenol, methyl-ethyl ketones and acetone

Application Number  00129072 Application Date  2000.09.29 Publication Number  1290682 Publication Date  2001.04.11 Priority Information   1999/9/30 DE 19946887.7   International Classification  C07C37/60;C07C39/04;C07C45/32;C07C49/08;C07C49/10   Applicant(s) Name  Carbolic Acid Chemical Co., Ltd.   Address     Inventor(s) Name  W. Bompetzki;O. Gellisch;W. Clainglo   Patent Agency Code  72001 Patent Agent  wang jingchao AbstractThe compounds said in the heading… Read More »

Method for preparing phenol, acetone and methyl-ethyl ketones

Application Number  00129071 Application Date  2000.09.29 Publication Number  1290681 Publication Date  2001.04.11 Priority Information   1999/9/30 DE 19946888.5   International Classification  C07C37/60;C07C39/04;C07C45/32;C07C45/53;C07C49/08;C07C49/10   Applicant(s) Name  Carbolic Acid Chemical Co., Ltd.   Address     Inventor(s) Name  W. Bompetzki;O. Gellisch;W. Clainglo   Patent Agency Code  72001 Patent Agent  wang jingchao AbstractPhenol is mainly prepared by a… Read More »

Method for preparing phenol

Application Number  00129069 Application Date  2000.09.29 Publication Number  1290680 Publication Date  2001.04.11 Priority Information   1999/9/30 DE 19946886.9   International Classification  C07C37/08;C07C39/04   Applicant(s) Name  Carbolic Acid Chemial Co., Ltd.   Address     Inventor(s) Name  W. Bompetzki;H. Van Baniweld;O. Gellisch   Patent Agency Code  72001 Patent Agent  wang jingchao AbstractPhenol is mainly prepared by… Read More »

Process for preparing phenol from benzoic acid and recovering useful substances

Application Number: 00113412Application Date: 2000.05.08Publication Number: 1296938Publication Date: 2001.05.30Priority Information: International: C07C37/01;C07C37/58;C07C39/04Applicant(s) Name: Hunan UnivAddress: Inventor(s) Name: Wu Xingan;Liu HuiqinPatent Agency Code: 43008Patent Agent: zhao hongAbstract A process for preparing phenol from benzoic acid features that the benzoic acid is catalytically oxidized at 140-260 deg.C and 0.01-0.1 MPa in the presence of Cu salt as… Read More »

Catalyst for preparing benzene diphenol by means of oxidation of phenol

Application Number: 00116532Application Date: 2000.06.15Publication Number: 1328873Publication Date: 2002.01.02Priority Information: International: B01J23/745;B01J23/78;B01J23/80;B01J23/86Applicant(s) Name: China Petro-Chemical Corp.Address: Inventor(s) Name: Gao Huanxini;Cao Jing;Qian KunPatent Agency Code: 31102Patent Agent: zhang huimengAbstract The present invention relates to a catalyst for preparing phenylene-diphenol by oxidation of phenol, and mainly is aimed at overcoming the defects of low conversion rate of… Read More »

Catalyst for preparing benzene diphenol by means of direct oxidation of phenol

Application Number: 00116537Application Date: 2000.06.15Publication Number: 1328872Publication Date: 2002.01.02Priority Information: International: B01J23/72;B01J23/86Applicant(s) Name: China Petro-Chemical Corp.Address: Inventor(s) Name: Gao Huanxin;Cao Jing;Qian KunPatent Agency Code: 31102Patent Agent: zhang huimengAbstract The present invention relates to a catalyst for preparing phenylene-diphenol by means of direct oxidation of phenol, and is mainly aimed at overcoming the defects of low… Read More »

Process for preparing 4-(2-alkoxyethyl) phenol by phase-transfer catalysis

Application Number: 00119868Application Date: 2000.09.01Publication Number: 1291605Publication Date: 2001.04.18Priority Information: International: C07C41/32;C07C43/178Applicant(s) Name: Shanghai Inst of Organic Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Jiang Biao;Fang Qiang;Zhang FangjiangPatent Agency Code: 31002Patent Agent: wu shenzhongAbstract A process for synthesizing 4-(2-alkoxyethyl) phenol includes the following steps that under existance of phase-transfer catalyst and alkali the reaction of… Read More »

Method of maintaining color of nonyl phenol

Application Number: 00111723Application Date: 2000.02.24Publication Number: 1310159Publication Date: 2001.08.29Priority Information: International: C07C29/94;C07C39/06Applicant(s) Name: China Petrochemical Group Corp.Address: Inventor(s) Name: Zhu Qing;Yao Yaping;Chen YongfuPatent Agency Code: 31102Patent Agent: yuan mengchangAbstract The present invention aims at solving the problem of great amount of color stabilizer used, and poor high temperature color stability. The present invention is one… Read More »

Method of stabilizing color of nonyl phenol

Application Number: 00111724Application Date: 2000.02.24Publication Number: 1310160Publication Date: 2001.08.29Priority Information: International: C07C29/94;C07C39/06Applicant(s) Name: China Petrochemical Group Corp.Address: Inventor(s) Name: Zhu Qing;Yao Yaping;Chen YongfuPatent Agency Code: 31102Patent Agent: yuan mengchangAbstract The present invention aims at solving the problems of great amount of color stabilizer used, poor color stability of alkyl phenol and the negative effect of… Read More »

Treatment of waste water containing nitro phenol

Application Number: 00112432Application Date: 2000.07.28Publication Number: 1277154Publication Date: 2000.12.20Priority Information: International: B09B3/00;C02F1/04Applicant(s) Name: Yang BaodeAddress: Inventor(s) Name: Yang BaodePatent Agency Code: 34101Patent Agent: wu qiyunAbstract Waste water containing nitro phenol and its salts are treated in a two-step distillation and crystallization process to recover phenolic sodium and crude salt successively, phenolic sodium is further purified… Read More »

Process for preparing polyoxyvinethene as condensate of styrene, phenol and formaldehyde

Application Number: 00112451Application Date: 2000.08.09Publication Number: 1280994Publication Date: 2001.01.24Priority Information: International: C07C39/14;C08G59/08Applicant(s) Name: Nanjing Normal UnivAddress: Inventor(s) Name: Sun Shaoshan;Li Guodong;Liu HongPatent Agency Code: 32207Patent Agent: wang dongshengAbstract A process for preparing polyoxyvinethene as the condensate of styrene, phenol and formaldehyde is disclosed. It features that the organic acid or its mixed acid is used… Read More »

Novel phenol kind resin and photoresist composite containing the resin

Application Number: 00106878Application Date: 2000.03.10Publication Number: 1273251Publication Date: 2000.11.15Priority Information: 1999/3/12 US 09/267,054International: C08G65/38;G03F7/028Applicant(s) Name: Thiprei Inc.Address: Inventor(s) Name: A. Sambinie;Xu Cheng-Bai;H. F. SandfordPatent Agency Code: 11038Patent Agent: chen jizhuangAbstract To obtain a photoresist composition which can give a resist excellent in lithographic performances by compounding a resin obtained by reacting the prepolymer obtained by… Read More »

Process for removing hydroxy acetone from phenol contg. hydroxy acetone

Application Number: 00101911Application Date: 2000.01.28Publication Number: 1266839Publication Date: 2000.09.20Priority Information: 1999/1/29 DE 19903414.1International: C07C37/74;C07C37/86;C07C39/04;C07C45/85;C07C49/17Applicant(s) Name: Carbolic Chemical GmbHAddress: Inventor(s) Name: H. Van Bahnefert;O. GoelichPatent Agency Code: 72001Patent Agent: tai gongAbstract The method is materialized by reduced energy amount in the separation of the hydroxyacetone, by limiting the phenol losses. It is used for the separation… Read More »