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121.Method of impregnating a synthetic rubber to form a sponge rubber and the article produced thereby 失效
Title translation: 浸渍合成橡胶以形成海绵橡胶的方法和由此制备的制品公开(公告)号:US2659703A
公开(公告)日:1953-11-17
申请号:US3273648
申请日:1948-06-12
Applicant: OHIO COMMW ENG CO
Inventor: TOULMIN JR HARRY A , STAUFFER WILLIAM R
CPC classification number: C08J9/0066 , C08J9/30 , C08J2311/02 , C08L21/00
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公开(公告)号:US2592081A
公开(公告)日:1952-04-08
申请号:US8371249
申请日:1949-03-26
Applicant: OHIO COMMW ENG CO
Inventor: TOULMIN JR HARRY A
IPC: B31B7/00
CPC classification number: B31B50/00 , B31B2105/00 , B31B2120/40 , Y10S493/922 , Y10T428/249987 , Y10T428/24999 , Y10T428/249991
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123.Process of making layered sponge products of varying densities 失效
Title translation: 制造不同密度的分层海绵产品的工艺公开(公告)号:US2586275A
公开(公告)日:1952-02-19
申请号:US11503449
申请日:1949-09-10
Applicant: OHIO COMMW ENG CO
Inventor: TOULMIN JR HARRY A
IPC: B29C44/22
CPC classification number: B29C44/22 , B29K2021/00 , B29L2009/00
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公开(公告)号:US2576318A
公开(公告)日:1951-11-27
申请号:US11653749
申请日:1949-09-19
Applicant: OHIO COMMW ENG CO
Inventor: TOULMIN JR HARRY A
CPC classification number: C08J9/30 , B29B7/7414 , B29C44/50 , C08J2321/00 , Y10S521/917 , Y10S528/936
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