The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 24, 1995
Filed:
Aug. 15, 1994
Applicant:
Inventors:
Nobuo Nakabayashi, Matsudo, JP;
Kazuhiko Ishihara, Kodaira, JP;
Yoshishige Murata, Tsukuba, JP;
Nobuharu Nakada, Tsukuba, JP;
Takeo Matsumoto, Tsukuba, JP;
Yasumi Koinuma, Tsukuba, JP;
Assignee:
NOF Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C / ; B08B / ; C08F / ; C08K / ;
U.S. Cl.
CPC ...
351177 ; 523106 ; 524388 ; 524547 ; 526277 ; 525937 ; 25217423 ;
Abstract
A highly hydrous soft contact lens comprising a copolymer which contains as an ingredient a monomer having constitution similar to that of phospholipid represented by the following general formula: ##STR1## n is an integer of 1-20, and, R.sub.2, R.sub.3 and R.sub.4 are the same or different groups and alkyl or hydroxyalkyl of 1-8 carbon atoms. Further, a treating solution for contact lenses which comprises a polymer containing as an ingredient the above monomer and a solvent which can dissolve the polymer.