Invention Grant
US3222169A Photographic products, compositions and processes employing azo dye developers
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使用偶氮染料显影剂的摄影产品,组合物和方法
- Patent Title: Photographic products, compositions and processes employing azo dye developers
- Patent Title (中): 使用偶氮染料显影剂的摄影产品,组合物和方法
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Application No.: US19332662Application Date: 1962-05-08
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Publication No.: US3222169APublication Date: 1965-12-07
- Inventor: MILTON GREEN , ROGERS HOWARD G
- Applicant: POLAROID CORP
- Assignee: Polaroid Corp
- Current Assignee: Polaroid Corp
- Priority: US19332662 1962-05-08
- Main IPC: C09B31/02
- IPC: C09B31/02 ; C09B39/00 ; G03C8/18
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