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1.Catalytic process for the production of caprolactam, amino-capronitrile and hexamethylene diamine 失效
Title translation: 用于生产己内酰胺,氨基 - 己腈和六亚甲基二胺的催化方法公开(公告)号:US2234566A
公开(公告)日:1941-03-11
申请号:US22101638
申请日:1938-07-23
Applicant: DU PONT
Inventor: LASIER WILBUR A , RIGBY GEORGE W
IPC: C07C209/48 , C07C255/24 , C07D201/04
CPC classification number: C07C255/00 , C07C209/48
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2.Lactones of mercapto carboxylic acids and process of preparing them 失效
Title translation: 巯基羧酸的内酯及其制备方法公开(公告)号:US2402639A
公开(公告)日:1946-06-25
申请号:US35741640
申请日:1940-09-19
Applicant: DU PONT
Inventor: LASIER WILBUR A , SIGNAIGO FRANK K
IPC: C07D333/32
CPC classification number: C07D333/32 , C07C319/02 , C07C2601/08 , C07C323/61 , C07C321/22 , C07C323/12 , C07C323/52
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