Cover film for color hard copy printing paper

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4522881
SERIAL NO

06552037

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a cover film for a color hard copy printing paper by which a colorless and transparent protective layer can be formed on a surface of a printing paper on which a color-print is made. The cover film for a color hard copy printing paper according to the present invention comprises a heat-resistant base and a cover material layer including a colorless and transparent ultraviolet ray shielding layer which is formed on the heat-resistant base, has no adhesive property for the heat-resistant base and is melted and transferred to a surface of a printing paper by heating. According to the cover film for a color hard copy printing paper, it is possible to form with ease a protective layer having small curl and high color fading protection property on a surface of a color-copied printing paper.

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Patent Owner(s)

  • SONY CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Tetsuya Utsunomiya, JP 255 2319
Fujiwara, Yoshio Utsunomiya, JP 45 418
Kobayashi, Naotake Utsunomiya, JP 25 622

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