Patent search ap:("BASF AG") AND inv:"OTTO MARKGRAF" Page 1

1.

发明授权
Partial dyeing of fur skins and leather 失效
Title translation: 毛皮和皮革的部分染色

公开(公告)号：US2969271A

公开(公告)日：1961-01-24

申请号：US66046057

申请日：1957-05-21

Applicant: BASF AG

Inventor： OTTO MARKGRAF , CURT SCHUSTER , KARL HERRLE , ERNST BOEHM , ERHARD SCHAEFER

IPC: D06P3/30 , D06P3/32 , D06P5/12

CPC classification number: D06P3/30 , D06P3/32 , D06P5/12 , Y10S8/09 , Y10S8/10 , Y10S8/929

2.

发明授权
2, 2', 6, 6'-tetrahydroxy-3, 3'-dinitro-5, 5'-dichlorodiphenylmethane and alkali metal salts thereof 失效
Title translation: 2,2'，6,6'-四羟基-3,3'-二硝基-5,5'-二氯二苯基甲烷及其碱金属盐

公开(公告)号：US2767219A

公开(公告)日：1956-10-16

申请号：US54579855

申请日：1955-11-08

Applicant: BASF AG

Inventor： FRIEDRICH BECKE , HERBERT LIBOWITZKY , OTTO MARKGRAF , MAX KLUG

IPC: C07C205/26

CPC classification number: C07C205/26

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