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1.Epoxy resin composition containing brominated polyglycidyl ether of bisphenol a and a polyglycidyl ether of tetrakis(hydroxyphenyl) ethane 失效
Title translation: 环氧树脂组合物,其含有二苯醚A和聚四氢呋喃(羟基苯基)乙烯的多羟基化合物的溴化聚乙二醇醚公开(公告)号:US3523037A
公开(公告)日:1970-08-04
申请号:US3523037D
申请日:1967-06-12
Applicant: IBM
Inventor: CHELLIS LEROY N
CPC classification number: C08J5/24 , B29C70/00 , B29K2309/08 , C03C25/36 , C08G59/38 , C08J2363/00 , H01B3/084 , H05K1/0326 , Y10T442/2566 , Y10T442/2951
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2.Reverse forming process for making shaped articles from plastic sheet material 失效
Title translation: 从塑料片材制造成型制品的反转成型工艺公开(公告)号:US2796634A
公开(公告)日:1957-06-25
申请号:US39956253
申请日:1953-12-21
Applicant: IBM
Inventor: CHELLIS LEROY N
CPC classification number: B29C43/203 , B29C43/146 , B29C51/00 , B29C51/002 , B29C51/082 , B29C51/145 , B29C70/28 , B29K2101/10 , B29K2101/12 , B29K2105/0845 , B29K2105/0854 , B32B27/00 , Y10S264/66 , Y10S425/048 , Y10T156/1002 , Y10T156/1039 , Y10T156/1048 , Y10T428/24628 , Y10T428/24802
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