Application Number 00128888 Application Date 2000.09.28 Publication Number 1326198 Publication Date 2001.12.12 Priority Information 2000/5/25 KR 28304/00 International Classification H01C7/04 Applicant(s) Name Ryool Teup Lyong Co., Ltd. Address Inventor(s) Name Ri Jong-Guk;Yang Gwang-Sop;Wang Yongsong Patent Agency Code 11105 Patent Agent yang wu AbstractA negative temperature coefficient thermistor is Read more
Archive : spinel
Composition containing Mg-Al spinel and its preparing process
Application Number: 00120746Application Date: 2000.07.13Publication Number: 1334317Publication Date: 2002.02.06Priority Information: International: B01J23/00;C10G11/04Applicant(s) Name: Chinese Petro-Chemical Co., Ltd.Address: Inventor(s) Name: Jiang Wenbin;Zheng Manying;Chen PeiyanPatent Agency Code: 11034Patent Agent: wang fengdongAbstract A composition containing Mg-Al spinel contains magnesium oxide (25-30 wt.%), alumina (60-70 wt.%) and the oxide of rare-earth metal except Ce (5-15 wt.%). Its Mg and Read more
Chromium-aluminium spinel refractory material
Application Number: 00123211Application Date: 2000.11.03Publication Number: 1351978Publication Date: 2002.06.05Priority Information: International: C04B35/66Applicant(s) Name: Zhao WenhouAddress: Inventor(s) Name: Zhao WenhouPatent Agency Code: 21118Patent Agent: chen mengAbstract A refractory chromium-aluminium material is produced by using corundum 20-98 wt.%, chromite 2-80 % and adhesive 0.5-14 % of fore two components. The present ivnention is superiod in that adding Read more