-
公开(公告)号:US2621180A
公开(公告)日:1952-12-09
申请号:US18451450
申请日:1950-09-12
Applicant: UPJOHN CO
Inventor: LEVIN ROBERT H , MCINTOSH JR A VERN , SPERO GEORGE B
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112.
公开(公告)号:US2617802A
公开(公告)日:1952-11-11
申请号:US18288150
申请日:1950-09-01
Applicant: UPJOHN CO
Inventor: LEVIN ROBERT H , MCINTOSH JR A VERN , SPERO GEORGE B
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113.
公开(公告)号:US2617801A
公开(公告)日:1952-11-11
申请号:US18111150
申请日:1950-08-23
Applicant: UPJOHN CO
Inventor: LEVIN ROBERT H , MCINTOSH JR A VERN , SPERO GEORGE B
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公开(公告)号:US2594323A
公开(公告)日:1952-04-29
申请号:US4016648
申请日:1948-07-22
Applicant: UPJOHN CO
Inventor: LEVIN ROBERT H , MCINTOSH JR A VERN , SPERO GEORGE B
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115.
公开(公告)号:US2577778A
公开(公告)日:1951-12-11
申请号:US18411250
申请日:1950-09-09
Applicant: UPJOHN CO
Inventor: LEVIN ROBERT H , SPERO GEORGE B , THOMPSON JOHN L
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116.3,20-diacyloxy-5,7,9(11),17(20)-pregnatetraenes 失效
Title translation: 3,20-二酰氧基-5,7,9(11),17(20) - 孕烯四烯公开(公告)号:US2577777A
公开(公告)日:1951-12-11
申请号:US18289250
申请日:1950-09-01
Applicant: UPJOHN CO
Inventor: LEVIN ROBERT H , MCINTOSH JR A VERN , SPERO GEORGE B
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公开(公告)号:US2566341A
公开(公告)日:1951-09-04
申请号:US77417447
申请日:1947-09-15
Applicant: UPJOHN CO
Inventor: LEVIN ROBERT H , MCINTOSH JR A VERN , SPERO GEORGE B
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