专利名称：Contact lens
发明人：阿南 啓三，天谷 直之，村田 敬重，宮崎 剛申请号：JP特願平1-115019张飞的老婆
申请日：19890510天堂的妈妈
木香顺气丸的功效与作用公开号：JP第2803152号B2
公开日：
郑耀南
19980924
专利内容由知识产权出版社提供
巨蟹座图片摘要：PURPOSE:To improve oxygen permeability and resistance to staining, etc., by using a specific 1-butene-2, 4-dicarboxylate monomer. CONSTITUTION:This lens contains a copolymer contg. 2 to 95wt.% 1-butene-2, 4-dicarboxylate monomer expresd by formula I as an esntial raw material monomer. In the formula, R1, R2 are the same or different groups and denote a hydrogen atom, 1 to 12C alkyl group, 1 to 12C alkenyl group, 3 to 12C cyclic alkyl group; m denotes 0 or 1; n denotes 0 to 3 integer; l denotes 2 to 4 integer. The contact lens which has the oxygen permeability to allow long-term continuous wearing and is improved in shape stability, resistance to staining and durability is obtd. in this way.
五七家属工>生于1984
申请人：日本油脂株式会社
初到黄州
地址：東京都渋谷区恵比寿4丁目20番3号
国籍：JP
代理人：酒井 一
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