Tag Archives: double-metal

Method for making double-metal inlaid structure

Application Number  00128994 Application Date  2000.09.25 Publication Number  1346148 Publication Date  2002.04.24 Priority Information     International Classification  H01L21/28;H01L21/463;H01L21/768   Applicant(s) Name  Lianhua Electronic Co., Ltd.   Address     Inventor(s) Name  Cai Tengqun;Chen Xuezhong;Yang Mingsheng   Patent Agency Code  11105 Patent Agent  tao fengbei AbstractThe method for making double metal inlaid structure includes the… Read More »

Ultralow temp. treating technology for double-metal band-saw blade

Application Number: 00126612Application Date: 2000.09.30Publication Number: 1345980Publication Date: 2002.04.24Priority Information: International: C21D9/24Applicant(s) Name: Hu'nan Machine-Tool PlantAddress: Inventor(s) Name: Lu Bin;Xu Jincai;Peng JianxiangPatent Agency Code: 43114Patent Agent: yan yongAbstract The ultra-low temp. bimetallic band-saw blade treatment process includes quenching, tempering and deep cooling treatment procedures. Said invented process is simple, convenient in operation, can effectively improve… Read More »

Composite carrier load type double-metal catalyst for polyolefine and preparation process thereof

Application Number: 00104266Application Date: 2000.05.10Publication Number: 1275578Publication Date: 2000.12.06Priority Information: International: C08F10/00;C08F4/642Applicant(s) Name: Lanzhou Petrochemical Branch, China Petroleum & Natural Gas Co., Ltd.Address: Inventor(s) Name: Feng Yutao;Zhu Bochao;Wang DepingPatent Agency Code: 62004Patent Agent: ma yanpingAbstract The present invention relates to a double-activity centre catalyst containing load type metallocene catalyst and traditional Ziegler-Natta type titanium catalyst… Read More »