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. 17, 1995
Filed:
Dec. 07, 1992
Applicant:
Inventors:
Yoichi Kawashima, Kyoto, JP;
Mitsuaki Kuwano, Toyonaka, JP;
Assignee:
Santen Pharmaceutical Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C08J / ;
U.S. Cl.
CPC ...
424 7804 ; 424 7831 ; 514915 ; 522 86 ; 522153 ; 523318 ; 523300 ;
Abstract
A carboxyvinyl polymer having Newtonian viscosity, ophthalmic preparations containing the polymer, a process for preparing the polymer, and a vehicle for ophthalmic preparations containing the polymer. By using the polymer in a vehicle, an ophthalmic preparation having a low viscosity and a desirable permeability of a drug can be obtained.