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公开(公告)号:US2588890A
公开(公告)日:1952-03-11
申请号:US1917648
申请日:1948-04-05
Applicant: SHELL DEV
Inventor: SHOKAL EDWARD C , DEVLIN PAUL A
IPC: C08F16/00
CPC classification number: C08F16/00
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公开(公告)号:US2778855A
公开(公告)日:1957-01-22
申请号:US35897753
申请日:1953-06-01
Applicant: SHELL DEV
Inventor: SHOKAL EDWARD C , DEVLIN PAUL A
CPC classification number: C07C43/23
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公开(公告)号:US2839514A
公开(公告)日:1958-06-17
申请号:US16377850
申请日:1950-05-23
Applicant: SHELL DEV
Inventor: SHOKAL EDWARD C , DEVLIN PAUL A , WINKLER DE LOSS E
IPC: C08F212/08
CPC classification number: C08F212/08
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公开(公告)号:US2630430A
公开(公告)日:1953-03-03
申请号:US25279651
申请日:1951-10-23
Applicant: SHELL DEV
Inventor: SHOKAL EDWARD C , DEVLIN PAUL A
IPC: C08F16/00
CPC classification number: C08F16/00
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公开(公告)号:US2585506A
公开(公告)日:1952-02-12
申请号:US3434648
申请日:1948-06-21
Applicant: SHELL DEV
Inventor: SHOKAL EDWARD C , WINKLER DE LOSS E , DEVLIN PAUL A
CPC classification number: C08L27/02 , C08L29/10 , C08L2666/04
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6.Condensation products of unsaturated ether-aldehydes, polymers thereof, and methods for producing the same 失效
Title translation: 不饱和醚醛缩合产物,其聚合物及其制备方法公开(公告)号:US2561613A
公开(公告)日:1951-07-24
申请号:US7641249
申请日:1949-02-14
Applicant: SHELL DEV
Inventor: DEVLIN PAUL A , WHETSTONE RICHARD R , SHOKAL EDWARD C
IPC: C08G2/00
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7.Polymers of the condensation product of formaldehyde with unsaturated esters of ketocarboxylic acids 失效
Title translation: 甲醛与酮羧酸不饱和酯的缩合产物的聚合物公开(公告)号:US2488883A
公开(公告)日:1949-11-22
申请号:US75358047
申请日:1947-06-09
Applicant: SHELL DEV
Inventor: SHOKAL EDWARD C , DEVLIN PAUL A
IPC: C08F18/08
CPC classification number: C08F18/08
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