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:
Dec. 27, 1994
Filed:
Oct. 26, 1990
Applicant:
Inventors:
Tacey X Viegas, Ann Arbor, MI (US);
Lorraine E Reeve, Ann Arbor, MI (US);
Raymond L Henry, Grosse Pointe Woods, MI (US);
Assignee:
Mediventures Inc., Dearborn, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ; C08L / ; C08L / ; G02C / ;
U.S. Cl.
CPC ...
523106 ; 424427 ; 424486 ; 424488 ; 424 7804 ; 5147721 ; 5147723 ; 514777 ; 514779 ; 514781 ; 514944 ; 524916 ; 525937 ; 623-5 ; 3511 / ;
Abstract
Balanced pH, thermo-irreversible gels comprising a polyoxyalkylene compound and an ionic polysaccharide are ideal materials for the formation of a protective contact lens over the cornea of the eye of a mammal.