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公开(公告)号:US2209769A
公开(公告)日:1940-07-30
申请号:US1542635
申请日:1935-04-09
Applicant: MERCK & CO INC
Inventor: ENGELS WILLIAM H , JOHN WEIJLARD
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公开(公告)号:US2176894A
公开(公告)日:1939-10-24
申请号:US18216937
申请日:1937-12-28
Applicant: MERCK & CO INC
Inventor: ENGELS WILLIAM H , JOHN WEIJLARD
IPC: A01N59/10
CPC classification number: A01N59/10
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公开(公告)号:US1485379A
公开(公告)日:1924-03-04
申请号:US56072022
申请日:1922-05-13
Applicant: MERCK & CO INC
Inventor: ENGELS WILLIAM H
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4.Process for stabilizing solutions containing ascorbic acid and the products thereof 失效
Title translation: 用于稳定含有抗坏血酸的溶液及其产物的方法公开(公告)号:US2232699A
公开(公告)日:1941-02-25
申请号:US11011236
申请日:1936-11-10
Applicant: MERCK & CO INC
Inventor: ENGELS WILLIAM H , JOHN WEIJLARD , SCHENCK REMSEN T
IPC: A23L33/15 , A61K31/375
CPC classification number: A61K31/375 , A23L33/15 , A23V2002/00 , A23V2250/708 , A23V2250/5424 , A23V2250/5436 , A23V2250/5432 , A23V2250/5118
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公开(公告)号:US2164316A
公开(公告)日:1939-07-04
申请号:US648335
申请日:1935-02-14
Applicant: MERCK & CO INC
Inventor: ENGELS WILLIAM H
IPC: A61L9/01
CPC classification number: A61L9/01
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公开(公告)号:US2104738A
公开(公告)日:1938-01-11
申请号:US11664636
申请日:1936-12-18
Applicant: MERCK & CO INC
Inventor: ENGELS WILLIAM H , STEIN GUSTAV A
IPC: C07D233/88 , C07F9/94
CPC classification number: C07F9/94 , C07D233/88
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公开(公告)号:US1485377A
公开(公告)日:1924-03-04
申请号:US55642422
申请日:1922-04-25
Applicant: MERCK & CO INC
Inventor: ENGELS WILLIAM H
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公开(公告)号:US1483217A
公开(公告)日:1924-02-12
申请号:US58993222
申请日:1922-09-22
Applicant: MERCK & CO INC
Inventor: ENGELS WILLIAM H
IPC: C07C69/86
CPC classification number: C07C69/86
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公开(公告)号:US2163594A
公开(公告)日:1939-06-27
申请号:US11360836
申请日:1936-12-01
Applicant: MERCK & CO INC
Inventor: ENGELS WILLIAM H , STEIN GUSTAV A
CPC classification number: C07C227/08
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公开(公告)号:US2088590A
公开(公告)日:1937-08-03
申请号:US9342636
申请日:1936-07-30
Applicant: MERCK & CO INC
Inventor: ENGELS WILLIAM H , BECKER HAROLD J
IPC: C07H13/08
CPC classification number: C07H13/08
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