Tag Archives: gas-phase

Method for increasing molecular weight of polybutadiene or polyisoprene produced by gas-phase polymerization

Application Number  00128450 Application Date  2000.11.22 Publication Number  1296983 Publication Date  2001.05.30 Priority Information   1999/11/23 US 09/448846   International Classification  C08F2/34;C08F136/04   Applicant(s) Name  Union Carbide Chemicals & Plastics Technology Corp.   Address     Inventor(s) Name  K.J. Cam;M. Zhang   Patent Agency Code  72001 Patent Agent  lu xinhua AbstractThere is provided a method… Read More »

Nickel-based catalyst for producing polybutadiene and gas-phase polymerization process thereof

Application Number  00128449 Application Date  2000.11.22 Publication Number  1296984 Publication Date  2001.05.30 Priority Information   1999/11/23 US 09/447668   International Classification  C08F2/34;C08F4/602;C08F136/06   Applicant(s) Name  Union Carbide Chemicals & Plastics Technology Corp.   Address     Inventor(s) Name  M. Zhang   Patent Agency Code  72001 Patent Agent  lu xinhua AbstractThere is provided a catalyst comprising… Read More »

Back blowing process for gas-phase fluidized bed

Application Number: 00111025Application Date: 2000.04.21Publication Number: 1320480Publication Date: 2001.11.07Priority Information: International: B01J8/24Applicant(s) Name: Qilu Petro-Chemical Co, China Petro-Chemical Corp.Address: Inventor(s) Name: Wang Hongtao;Zhou Xiangmin;Yang BaozhuPatent Agency Code: 37103Patent Agent: geng xiaAbstract A back blowing process for gas-phase fluidized bed using the circulating gas of fluidized bed as back blowing gas includes such steps as gas-solid… Read More »

Zone-limited temp.-changing prossure differental chemical gas-phase permeation process

Application Number: 00113718Application Date: 2000.01.25Publication Number: 1306951Publication Date: 2001.08.08Priority Information: International: C04B35/56;C04B35/622Applicant(s) Name: Xibei Polytechnical Univ.Address: Inventor(s) Name: Li Hejun;Hou Xianghui;Zhang ShouyangPatent Agency Code: 61204Patent Agent: wang xiankaiAbstract The present invention relates to the preparation process of high temperature structure material, especially composite carbon/carbon material and composite ceramic material and features the prefabricated body deposition… Read More »

Method and equipment for high-speed gas-phase carbon deposition of braking carbon disk for aircraft

Application Number: 00113952Application Date: 2000.10.27Publication Number: 1350959Publication Date: 2002.05.29Priority Information: International: C23C16/26;F16D69/00Applicant(s) Name: Lankang Aviation Equipment Co, Xi'an CityAddress: Inventor(s) Name: Pu BaojianPatent Agency Code: 00000Patent Agent: Abstract A technology and equipment for preparing carbon braking disk of airplane by high-speed gas-phase carbon deposit includes such steps as stacking carbon disks in furnace, enclosing furnace,… Read More »

Process and equipment for preparing chloromethyl trimethylsilane by gas-phase optical chlorinating reaction

Application Number: 00119457Application Date: 2000.07.14Publication Number: 1283625Publication Date: 2001.02.14Priority Information: International: B01J19/12;C07F7/10Applicant(s) Name: Shanghai Inst. of Organic Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Jiang Biao;Xie Deliang;Zhang FangjiangPatent Agency Code: 31002Patent Agent: wu shenzhongAbstract A process for equipment for preparing chloromethyl trimethylsilane by gas-phase optical chlorinating reaction features that mixed gas of tetramethyl silane and… Read More »

Catalyst for preparing 2-methylfuran by gas-phase hydrogenation of furaldehyde and its application

Application Number: 00120872Application Date: 2000.08.04Publication Number: 1305869Publication Date: 2001.08.01Priority Information: International: B01J23/86;C07D307/30Applicant(s) Name: Shanxi Inst of Coal Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Zhu Yulei;Su Hualian;Xiang HongweiPatent Agency Code: 14001Patent Agent: wei shuweiAbstract A catalyst for preparing 2-methylfuran by gas-phase hydrogenation of furaldehyde contains CuO (50-53 Wt.%), Cr2O3 (46-49 %) and NiO (0.2-1.1 %).… Read More »

Gas-phase selective adsorption process for separating dichlorobenzene from mixture

Application Number: 00120892Application Date: 2000.08.16Publication Number: 1338328Publication Date: 2002.03.06Priority Information: International: B01D53/04;C07C7/13;C07C17/389;C07C25/08Applicant(s) Name: Research Inst of Yanshan Petro-Chemical Co, BeijingAddress: Inventor(s) Name: Guo Guoqing;Long Yingcai;Sun YaojunPatent Agency Code: 11116Patent Agent: fan fenggeAbstract A gas-phase selective adsorption process for separating mixture of dichlorobenzenes features use of MF1-type zeolite (Silicalite-1) molecular sieve as adsorbent and the benzene,… Read More »

Linear polyethylene catalyst of gas-phase fluidized-bed method and its preparing process

Application Number: 00121076Application Date: 2000.07.19Publication Number: 1334276Publication Date: 2002.02.06Priority Information: International: C08F4/645;C08F110/02Applicant(s) Name: Yang MingshengAddress: Inventor(s) Name: Zhang HanzhuoPatent Agency Code: 22102Patent Agent: yang tianxiuAbstract A catalyst for preparing linear polyethylene by gas-phase fluidized bed method is prepared from silica gel as carrier, TiCl3 as main catalyst, MgCl2 as co-catalyst, tetrahydrofuran (THF) as doner and… Read More »

Gas-phase chromatographic capillary column for monitoring spirit quality and its preparing process and application

Application Number: 00123364Application Date: 2000.12.06Publication Number: 1356548Publication Date: 2002.07.03Priority Information: International: G01N30/02;G01N30/50Applicant(s) Name: Dalian Inst of Chemicophysics, Chinese Academy of SciencesAddress: Inventor(s) Name: Xiu Zhengjia;Xu Guowang;Zhao XinjiePatent Agency Code: 21002Patent Agent: zhang chenAbstract A gas-phase chromatographic capillary column for testing the spirit quality features that the fixed phase of capillary column is polyoyanoethyl siloxane. Its… Read More »

Light path system of reaction chamber for preparing nm powder by gas-phase laser method

Application Number: 00124797Application Date: 2000.09.18Publication Number: 1286153Publication Date: 2001.03.07Priority Information: International: B23K31/00;C04B35/565;C09C1/28;G02B17/00Applicant(s) Name: Zhongchao Nano-Meter Industry Co Ltd, HeilongjiangAddress: Inventor(s) Name: Shi Qinghe;Shen Huaiying;Chen WeiPatent Agency Code: 00000Patent Agent: Abstract An impreoved light system of reaction chamber for preparing nm powder by gas-phase laser method features that in existing light system, a light barrier parallel… Read More »