发明授权
- 专利标题: Di-nitrogen containing di-carboxylic acids
- 专利标题(中): 含二氮的二羧酸
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申请号: US23189151申请日: 1951-06-15
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公开(公告)号: US2644826A公开(公告)日: 1953-07-07
- 发明人: SPIVACK JOHN D
- 申请人: TIDE WATER ASSOCIATED OIL COMP
- 专利权人: Tide Water Associated Oil Comp
- 当前专利权人: Tide Water Associated Oil Comp
- 优先权: US23189151 1951-06-15
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