发明授权
- 专利标题: Production of nitrogenous vat dyestuffs of the azine series and the products
- 专利标题(中): 生产氮ine系列产品的含氮染料
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申请号: US31431128申请日: 1928-10-22
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公开(公告)号: US1888631A公开(公告)日: 1932-11-22
- 发明人: ALBERT KUNZ MAX , KARL KOEBERLE
- 申请人: GEN ANILINE WORKS INC
- 专利权人: National Starch and Chemical Corp
- 当前专利权人: National Starch and Chemical Corp
- 优先权: DE1888631X 1927-11-03
- 主分类号: C09B3/38
- IPC分类号: C09B3/38