Invention Grant
US3072483A Photographic element comprising polyethylene terephthalate film base
失效
包含聚对苯二甲酸乙二醇酯薄膜基底的照相元件
- Patent Title: Photographic element comprising polyethylene terephthalate film base
- Patent Title (中): 包含聚对苯二甲酸乙二醇酯薄膜基底的照相元件
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Application No.: US78185458Application Date: 1958-12-22
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Publication No.: US3072483APublication Date: 1963-01-08
- Inventor: TREVOY DONALD J , PHILLIPS RICHARD A
- Applicant: EASTMAN KODAK CO
- Assignee: Eastman Kodak Co
- Current Assignee: Eastman Kodak Co
- Priority: US78185458 1958-12-22
- Main IPC: G03C1/795
- IPC: G03C1/795 ; G03C1/93
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