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:
Jan. 28, 2003
Filed:
Aug. 03, 1998
Applicant:
Inventors:
Hiroo Nitta, Hyogo, JP;
Kaori Ogawa, Osaka, JP;
Assignee:
Rohto Pharmaceutical Co., Ltd., Osaka-fu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 4/300 ;
U.S. Cl.
CPC ...
C11D 4/300 ;
Abstract
An ophthalmic composition having regulated viscosity characterized in that it contains polyoxyethylene polyoxypropylene glycol or polyoxyethylene-polyoxypropylene-substituted ethylenediamine in association with a pharmaceutically acceptable thickener and has a viscosity ranging from 1 cps to 8 cps at 200° C., which is useful as contact lens wetting solution, eye drops, cleaning agent, and preservative for contact lenses.
Nitta, Hiroo. (2003). Ophthalmic composition with regulated viscosity (U.S. Patent No. 6511949). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6511949
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile