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. 25, 1983
Filed:
Nov. 23, 1981
Applicant:
Inventor:
Stephen C Kwan, Arlington, TX (US);
Assignee:
Alcon Laboratories, Inc., Fort Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; B08B / ; B05D / ;
U.S. Cl.
CPC ...
427164 ; 4274301 ;
Abstract
This invention relates to polymeric alcohols and polymeric ethers including poly(ethylene glycol), polyethylene oxide and polyethylene glycol methyl ether as prophylactic agents against soilant deposits on contact lenses.
Kwan, Stephen. (1983). Method for the prevention of soilant deposits on contact lenses (U.S. Patent No. 4411932). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4411932
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile