Azo dyestuffs and process and compositions for the dyeing of aromatic polyester fibres

Invention Grant

US2993886A Azo dyestuffs and process and compositions for the dyeing of aromatic polyester fibres 失效

Title translation: 偶氮染料和用于染色芳族聚酯纤维的方法和组合物

Patent Title: Azo dyestuffs and process and compositions for the dyeing of aromatic polyester fibres
Patent Title (中): 偶氮染料和用于染色芳族聚酯纤维的方法和组合物
Application No.: US77459158

Application Date: 1958-11-18
Publication No.: US2993886A

Publication Date: 1961-07-25
Inventor: KONRAD WEIS , HELMUT KLEINER
Applicant: BAYER AG
Assignee: Bayer Ag
Current Assignee: Bayer Ag
Priority: DE2993886X 1957-11-25

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