Optical information recording medium

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United States of America Patent

PATENT NO 5196250
SERIAL NO

07732038

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An optical information recording medium is composed of a substrate and a recording layer which includes a diarylpolyene compound of formula (I): ##STR1## wherein A.sup.1 and A.sup.2 each independently represent an aryl group which may have a substituent; R.sup.1 and R.sup.2 each represent hydrogen, a halogen or an alkyl group having 1 to 4 carbon atoms; and n is an integer of 2 or more.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTDTOKYO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Michiharu Yokohama, JP 39 621
Umehara, Masaakira Yokohama, JP 15 363

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