Tag Archives: synthesizing

Process for synthesizing anti-lash modifying agent used for polyvinyl-chloride resin

Application Number  00129394 Application Date  2000.12.09 Publication Number  1358779 Publication Date  2002.07.17 Priority Information     International Classification  C08F279/02;C08L27/06   Applicant(s) Name  Qilu Petrochemical Co., China petrochemical Corp.   Address     Inventor(s) Name  Meng Xiantan;Yu Yuanzhang;Zhu Weidong   Patent Agency Code  37212 Patent Agent  gong tonghai AbstractThe synthesis method of impact modifier for polyvinyl… Read More »

Process for synthesizing aldehyde from olefine, CO and hydrogen

Application Number  00128279 Application Date  2000.12.15 Publication Number  1298858 Publication Date  2001.06.13 Priority Information     International Classification  C07C45/49   Applicant(s) Name  Qinghua Univ.   Address     Inventor(s) Name  He Dehua;Liu Jinyao;Zhu Qiming   Patent Agency Code  11201 Patent Agent  luo wenqun AbstractA method of synthesizing aldehyde from olefine, carbon monoxide and hydrogen is… Read More »

Butadiene-sulfur reaction process and equipment for synthesizing thiofuran

Application Number: 00110684Application Date: 2000.07.21Publication Number: 1335313Publication Date: 2002.02.13Priority Information: International: C07D333/10Applicant(s) Name: Zhao BaoluAddress: Inventor(s) Name: Wu GuihuaPatent Agency Code: 21207Patent Agent: yang guangAbstract Two kinds of mixed gases, one of water vapor and sulfur vapor and the other of water vapor and butadiene, are preheated in the preheating section simultaneously and then reacted… Read More »

Directly synthesizing technology for rare earth organic compounds

Application Number: 00117156Application Date: 2000.06.12Publication Number: 1280129Publication Date: 2001.01.17Priority Information: International: C07F5/00Applicant(s) Name: Zheng DeAddress: Inventor(s) Name: Zheng De;Lu ZhigangPatent Agency Code: 44201Patent Agent: sheng peizhenAbstract In the presence of specific catalyst, refined light RE oxide as raw-material is made to react with one or more kinds of organic acid and/or organic ester under conditions… Read More »

Process for synthesizing methanol from coal-seam gas or low-grade natural gas

Application Number: 00126568Application Date: 2000.09.25Publication Number: 1304916Publication Date: 2001.07.25Priority Information: International: C07C29/00;C07C31/04Applicant(s) Name: Shanxi Inst of Coal Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Zhong Bing;Li Wenhuai;Liu LiPatent Agency Code: 14001Patent Agent: wei shuweiAbstract A process for synthesizing methanol from coal-seam gas or low-grade natural gas includes generating synthetic gas containing rich inertial gas from… Read More »

Wet chemical synthesizing method for lithium-manganese oxide

Application Number: 00113534Application Date: 2000.07.11Publication Number: 1333179Publication Date: 2002.01.30Priority Information: International: C01B13/32;C01G45/02Applicant(s) Name: Zhongnan Univ.Address: Inventor(s) Name: Li Yunjiao;Li Honggui;Sun PeimeiPatent Agency Code: 43200Patent Agent: gong canfanAbstract The wet chemical synthesis method of lithium-manganese oxide belongs to the field of inorganic non-metallic material and wet clemistry, and is characterized by that the manganese hydroxide is… Read More »

Process for synthesizing hydrocarbon from syntehtic gas

Application Number: 00121013Application Date: 2000.07.17Publication Number: 1304913Publication Date: 2001.07.25Priority Information: International: C07C1/00;C07C1/04;C10G2/00Applicant(s) Name: Shanxi Inst of Coal Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Sun Yuhan;Xiang Hongwei;Biao DingguoPatent Agency Code: 14001Patent Agent: wei shuweiAbstract A process for preparing hydrocarbon from synthetic gas includes gasifying the mixture of carbonanceous raw material, air or oxygen-enriched air and… Read More »

Process for synthesizing aminodiphenylether resin

Application Number: 00116003Application Date: 2000.09.06Publication Number: 1283646Publication Date: 2001.02.14Priority Information: International: C08G65/333Applicant(s) Name: Hankou Branch, Huazhong Science and Engineering Univ.Address: Inventor(s) Name: Liu Jiyan;Liu Xueqing;He LiPatent Agency Code: 42104Patent Agent: zhao senlinAbstract A process for preparing the aminodiphenylether resin includes the Friedel-Grafts reaction of acetanile with diphenylether resin under existance of p-toluenesulfonic acid as catalyst… Read More »

Cyclopentene oxidizing process for synthesizing glutaraldehyde

Application Number: 00123956Application Date: 2000.10.18Publication Number: 1348948Publication Date: 2002.05.15Priority Information: International: C07C45/28;C07C47/12Applicant(s) Name: Qilu Petrochemical Co., China Petrochemical GroupAddress: Inventor(s) Name: Guan Xiujun;Liu Fusheng;Liu YanPatent Agency Code: 37001Patent Agent: chen huizhenAbstract A method for preparing glutaric dialdehyde with cyclopentane after cyclopentadiene being hydrogenated as raw material is as follows: firstly, reaction liquid of glutaric dialdehyde… 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 »

Process for synthesizing vanillin from alkali lignin by green chemical method

Application Number: 00117415Application Date: 2000.09.14Publication Number: 1285395Publication Date: 2001.02.28Priority Information: International: C11B9/00Applicant(s) Name: Huanan Agriculture Univ.Address: Inventor(s) Name: Zhou Qiang;Chen ZhonghaoPatent Agency Code: 44201Patent Agent: wu hongdaAbstract The preparation process of vanillin from alkali lignin by green chemical synthesis method includes the steps of industrial-level lignin purification, catalyst for ming, multi-phase catalytic oxidation reaction, catalyst… Read More »

Process for synthesizing acetic acid in heterogeneous catalysis system

Application Number: 00126596Application Date: 2000.09.30Publication Number: 1309114Publication Date: 2001.08.22Priority Information: International: C07C51/15;C07C53/08Applicant(s) Name: Taiyuan Science and Engineering UnivAddress: Inventor(s) Name: Huang Wei;Xie Kechang;Wang XiaohongPatent Agency Code: 14101Patent Agent: pang jianyangAbstract A process for synthesizing acetic acid from methane (CH4) and CO2 in heterogeneous catalysis system features that CH4 and CO2 (or CO2/H2) are alteratively fed.… Read More »

Method for raising temp at entrance of stage-one converter for synthesizing ammonia and elongating service life of catalyst

Application Number: 00113677Application Date: 2000.09.08Publication Number: 1342597Publication Date: 2002.04.03Priority Information: International: C01B3/38Applicant(s) Name: Baling Branch, Chinese Petro-Chemical Co LtdAddress: Inventor(s) Name: Li DewuPatent Agency Code: 00000Patent Agent: Abstract A method for raising the temp. at inlet of a converter in the first section of synthesizing ammonia and elongating the service life of catalyst features that… Read More »

Chemical vapour phase deposition equipment and method of synthesizing nanometer pipe using said equipment

Application Number: 00121138Application Date: 2000.07.27Publication Number: 1282801Publication Date: 2001.02.07Priority Information: 1999/7/27 KR 30700/1999; 2000/6/29 KR 36509/2000International: C01B31/00;C23C16/26Applicant(s) Name: Lee Chol-JinAddress: Inventor(s) Name: Lee Chol-Jin;Ryu Chae-YeongPatent Agency Code: 72002Patent Agent: gan lingAbstract A chemical vapor deposition apparatus, and a method of synthesizing carbon nanotubes using the apparatus, are provided. The chemical vapor deposition apparatus synthesizes carbon… Read More »

Method for synthesizing ortho-acetaminophenol

Application Number: 00116077Application Date: 2000.10.13Publication Number: 1290690Publication Date: 2001.04.11Priority Information: International: C07C231/02;C07C233/25Applicant(s) Name: Wuhan Univ.Address: Inventor(s) Name: Zhang Zhimin;Shen Zheng;Qian FangPatent Agency Code: 42200Patent Agent: kang dunminAbstract In the newly developed process, ortho-aminophenel, water, hydrochloric acid and acetic anhydride are reacted through stirring at 90-95 deg.C and through full cooling, filtering, washing and stoving, ortho-acetaminophenol… Read More »

Additive for changing environment for synthesizing diamond

Application Number: 00124445Application Date: 2000.09.06Publication Number: 1341479Publication Date: 2002.03.27Priority Information: International: B01J3/06Applicant(s) Name: Gao DeshengAddress: Inventor(s) Name: Gao DeshengPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to an additive capable of changing environment for synthesizing diamond, it belongs to a sealing pressure-transferring medium of superhard material pyrophylite, etc. for synthesizing diamond, etc. at… Read More »

Process for synthesizing 5-n-propyl pyrazole-3-ethyl formate

Application Number: 00111402Application Date: 2000.01.01Publication Number: 1264703Publication Date: 2000.08.30Priority Information: International: C07D231/14Applicant(s) Name: Huadong Science and Engineering Univ.Address: Inventor(s) Name: Zhang Shiying;Wu Dajun;Sun RongqiPatent Agency Code: 31203Patent Agent: luo dachenAbstract A process for synthesizing 5-n-propylpyrazole-3-ethyl formate features that metal sodium is ured to replace alkaline catalyst in the Claisen condensation reaction of 2-valeranone on diethyl… Read More »

Catalyst for synthesizing dimethyl carbonate and its preparing process

Application Number: 00117793Application Date: 2000.06.21Publication Number: 1304790Publication Date: 2001.07.25Priority Information: International: B01J23/02;C07C68/00;C07C69/96Applicant(s) Name: Shanxi Inst of Coal Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Han Yizhuo;Chang Yanhong;Yang CaihongPatent Agency Code: 14001Patent Agent: wei shuweiAbstract A catalyst for synthesizing dimethyl carbonate is prepared from the alkali-earth metal carbonate through raising temp to 600-1000 deg.C at speed… Read More »

Process for continuously synthesizing coumarin

Application Number: 00127109Application Date: 2000.11.01Publication Number: 1351011Publication Date: 2002.05.29Priority Information: International: C07D311/06Applicant(s) Name: Jiahua (Group) Co Ltd, ShanghaiAddress: Inventor(s) Name: Lu Lixiang;Yang Bo;Ding BingjunPatent Agency Code: 72003Patent Agent: lou xianyangAbstract A process for continuously preparing coumarin features that salicylaldehyde and acitic acid anhydride are used as raw materials, alkaline substance is used as catalyst, the… Read More »

Process for synthesizing raw difenzoquat powder by dehydrogenating sulfur

Application Number: 00113856Application Date: 2000.06.27Publication Number: 1331075Publication Date: 2002.01.16Priority Information: International: C07D231/12Applicant(s) Name: Nongda Delibang Science and Technology Co LtdAddress: Inventor(s) Name: Xue Ping;Du Jingya;Wang MaoPatent Agency Code: 61100Patent Agent: lu hongAbstract A process for synthesizing raw powder of difenzoquat by sulfur dehydrogenation method includes reaction of pyrazoline on sulfur in mole ratio of 1:(1.2-10)… Read More »

Process for synthesizing active tetrose fragment of arabogalactan of medical purpose

Application Number: 00121318Application Date: 2000.07.19Publication Number: 1334268Publication Date: 2002.02.06Priority Information: International: C07H3/06Applicant(s) Name: Ecological Environment Research Center, Chinese Academy of SciencesAddress: Inventor(s) Name: Du Yuguo;Kong FanzuoPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to the synthesis of active tetrose fragment of arabogalactan used for medicinal purpose. The main chain of said active fragment… Read More »

Process for regulating ratio of hydrogen to carbon in synthetic gas in synthesizing using synthetic gas, from steam conversion of natural gas, as feedstock

Application Number: 00116104Application Date: 2000.09.25Publication Number: 1286214Publication Date: 2001.03.07Priority Information: International: C01B3/32Applicant(s) Name: Huatai Investment Co Ltd, SichuanAddress: Inventor(s) Name: Wang Junchang;Xue Lizhen;Zhu DaixiPatent Agency Code: 51100Patent Agent: pu jiaweiAbstract A process for regulating the ratio of hydrogen to carbon in synthetic gas includes such steps as condensing, removing water, adding CO2 gas and inverse… Read More »

Compound catalyst for synthesizing polyvinyl and preparation process thereof

Application Number: 00124953Application Date: 2000.09.26Publication Number: 1345888Publication Date: 2002.04.24Priority Information: International: C08F4/645;C08F110/02Applicant(s) Name: Inst. of Beijing Yanshan Petrochemical Corp.Address: Inventor(s) Name: Lu Zhanxia;Zhang Shuqing;Li YangPatent Agency Code: 11021Patent Agent: hu jiaoyuAbstract The present invention discloses a compound catalyst for synthesizing polyeth8ylene with wide molecular weight distribution and its preparation emthod. Said compound catalyst is composed… Read More »

Process for directly synthesizing dimethyl carbonate from CO2 and methanol in supercritical condition

Application Number: 00111405Application Date: 2000.01.01Publication Number: 1264698Publication Date: 2000.08.30Priority Information: International: C07C68/04;C07C69/96Applicant(s) Name: China Petro-Chemical Group Co.Address: Inventor(s) Name: Fang Dingye;Cao Fahai;Liu DianhuaPatent Agency Code: 31203Patent Agent: luo dachenAbstract A process for directly synthesizing dimethyl carbonate features that under the existance of catalyst which is the mixture of magnesium or potassium carbonate and iodomethane, the… 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 »

Gas-solid catalytic process for synthesizing piperazine from ethanediamine and ethandiol

Application Number: 00113910Application Date: 2000.08.25Publication Number: 1340503Publication Date: 2002.03.20Priority Information: International: C07D295/02;C07D295/023Applicant(s) Name: Xibei Chemical Inst, Ministry of Chemical IndustryAddress: Inventor(s) Name: Zhang Yong;Gao Junwen;Wang YaliPatent Agency Code: 00000Patent Agent: Abstract A process for synthesizing piperazine frmo ethanediamine and ethanediol by gas-solid phase catalytic reaction features that the mol ratio of ethanediamine, ethanediol and ammonia… Read More »

Voice synthesis method and device, and computer ready-read medium with recoding voice synthesizing program

Application Number: 00121651Application Date: 2000.07.21Publication Number: 1282018Publication Date: 2001.01.31Priority Information: 1999/7/23 JP 208606/99International: G06F17/28;G10L15/02Applicant(s) Name: Konami Co., Ltd.Address: Inventor(s) Name: Kasai Ji;Mizoguchi NenyukiPatent Agency Code: 31100Patent Agent: shen zhaokunAbstract A speech synthesizing method includes determining the accent type of the input character string (s1), selecting the prosodic model data from a prosody dictionary for storing… Read More »

Improved process for synthesizing graft copolymer fibre slurry of milk casein and acrylonitrile

Application Number: 00116211Application Date: 2000.05.29Publication Number: 1326019Publication Date: 2001.12.12Priority Information: International: D01F2/08;D01F4/04;D01F8/04Applicant(s) Name: Zheng BaowuAddress: Inventor(s) Name: Zheng Yu;Zheng BaowuPatent Agency Code: 31100Patent Agent: zuo yibengAbstract An improved process for synthesizing graft copolymer fibre slurry from milk casein and acrylonitrile includes dissolving the milk casein as skeleton compound and acrylonitrile, or acrylonitrile and ethylene-type unsaturated… Read More »

Process for rectifying recovery of diluted dimethyl formamide liquid generated in synthesizing artificial leather by wet method

Application Number: 00125092Application Date: 2000.09.07Publication Number: 1282733Publication Date: 2001.02.07Priority Information: International: C07C231/24;C07C233/04Applicant(s) Name: Tianhui Synthetic Leather Factory, ShanghaiAddress: Inventor(s) Name: Jin Genlin;Zhu Liguo;Wang ShijunPatent Agency Code: 31113Patent Agent: chen zhiliangAbstract A wet process for rectifying recovery of dilute dimethyl formamide liquid generated in producing artificial leather features that the phase-change boiling distillation is used for… Read More »

Process for synthesizing long chain active sster with end functional group

Application Number: 00111442Application Date: 2000.01.13Publication Number: 1266055Publication Date: 2000.09.13Priority Information: International: C07C231/02;C07C233/83;C07D207/404Applicant(s) Name: Weian Thermoelectric Material Co., Ltd., ShanghaiAddress: Inventor(s) Name: Wang Jun;Pan Ang;Li CongwuPatent Agency Code: 31100Patent Agent: zuo yibengAbstract A synthesis process for long-chain active ester with end functional group includes two steps: firstly, in the presence of accelerating agent, utilizing the long-chain… Read More »