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公开(公告)号:US2633418A
公开(公告)日:1953-03-31
申请号:US17412450
申请日:1950-07-15
Applicant: SHELL DEV
Inventor: SCOTT LAWRENCE B , WHETSTONE RICHARD R , OVERBEEK JOHANNES VAN , RENE BLONDEAU
IPC: A01N61/02
CPC classification number: A01N61/02
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42.
公开(公告)号:US2562849A
公开(公告)日:1951-07-31
申请号:US10272249
申请日:1949-07-01
Applicant: SHELL DEV
Inventor: WHETSTONE RICHARD R , RAAB WILLIAM J , BALLARD SEAVER A
IPC: C07C69/527
CPC classification number: C07C67/333 , C07C69/54
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43.Modified partially hydrolyzed polymeric products of the condensation of unsaturated aldehydes and esters of the same 失效
Title translation: 改性的部分水解的聚合产物的缩合不饱和醛与其酯类相同公开(公告)号:US2554973A
公开(公告)日:1951-05-29
申请号:US68797846
申请日:1946-08-02
Applicant: SHELL DEV
Inventor: BALLARD SEAVER A , WHETSTONE RICHARD R
IPC: C08G2/00
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公开(公告)号:US2479284A
公开(公告)日:1949-08-16
申请号:US73502947
申请日:1947-03-15
Applicant: SHELL DEV
Inventor: WHETSTONE RICHARD R
IPC: C07D309/26
CPC classification number: C07D309/26
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