Plastic lens
AssigneeKureha Kagaku Kogyo Kabushiki Kaisha
InventorsNobuhiro Watanabe, Teruo Sakagami
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Abstract
A plastic lens is made of a copolymer which has been obtained by copolymerizing 10-80 wt. % of a first monomer represented by the general formula (I) given below and 20-90 wt. % of a second monomer copolymerizable with the first monomer. General formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 mean individually a hydrogen atom or methyl group, and n and m denote integers of 0-4 in total.
Claims7
A plastic lens made of a copolymer which has been obtained by copolymerizing 10-80 wt. % of a first monomer represented by the general formula (I) given below and 20-90 wt. % of a second monomer copolymerizable with the first monomer;
- General formula (I):
- ##STR3## wherein R.sup.1, R.sup.2 and R.sup.3 mean individually a hydrogen atom or methyl group, and n and m denote integers of 0-4 in total.
Dependencies are inferred from the claim text.