Polyolefin-coated photographic support material
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United States of America Patent
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Mar 7, 1995
Issued Date -
N/A
app pub date -
Dec 6, 1993
filing date -
Apr 2, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A photographic support material with a coating on each side. At least one of the coatings comprises a mixture of polyolefins and optional agents that have a positive effect on the utilization of the support material. A white pigment is an example. The polyolefin mixture comprising the coating contains at least one copolymer of an .alpha.-olefin with an .alpha., .beta.-unsaturated carboxylic acid. At least 5% and preferably 20% to 80% by weight of the mixture is copolymer.
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