Method of manufacturing soft contact lens material

United States of America Patent

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Feb 27, 1990
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May 31, 1988
filing date
Sep 25, 1985

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Expired

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Abstract

Hydrophilic monomers in a supercooled, transparent state, are polymerized in the presence of water. The polymers have low levels of residual monomers and exhibit good mechanical strength. The process provides materials useful as contact lenses.

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Patent Owner(s)

Patent Owner	Address
JAPAN ATOMIC ENERGY RESEARCH INSTITUTE	2-2 UCHISAIWAI-CHO 2-CHOME CHIYODA-KU TOKYO

International Classification(s)

C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Kaetsu, Isao	Takasaki, JP	23	607
Kameda, Nobuo	Tokyo, JP	2	25
Kouyama, Hideo	Ohmiya, JP	6	77
Kumakura, Minoru	Maebashi, JP	13	316
Suyama, Hidenari	Yokohama, JP	2	25

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Method of manufacturing soft contact lens material

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07205624

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PATENT NO	4904708
SERIAL NO	07205624
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07205624

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