Invention Grant
- Patent Title: Three-layer backing for photographic element
- Patent Title (中): 三层背景用于摄影元素
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Application No.: US789981Application Date: 1997-01-28
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Publication No.: US5766836APublication Date: 1998-06-16
- Inventor: Raymond T. Jones , David M. Teegarden , John M. Fukushima , Ronald M. Stimson
- Applicant: Raymond T. Jones , David M. Teegarden , John M. Fukushima , Ronald M. Stimson
- Applicant Address: NY Rochester
- Assignee: Eastman Kodak Company
- Current Assignee: Eastman Kodak Company
- Current Assignee Address: NY Rochester
- Main IPC: G03C1/76
- IPC: G03C1/76 ; G03C1/775 ; G03C1/79 ; G03C1/795 ; G03C1/85 ; G03C1/89
Abstract:
The present invention discloses a three layer backing system for a photographic element. The backing system in on the opposite side of the light-sensitive layer. The backing system includes a first antistatic layer having an antistatic agent. The backing system includes a barrier layer of a polymer. The overcoat layer, farthest from the support, includes cellulose acetate and cellulose nitrate in a ratio range of from 3:1 to 1:1 and from 5 to 40 percent perfluorinatied polymer particles.
Public/Granted literature
- USD293329S Toy vehicle Public/Granted day:1987-12-22
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