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:
Nov. 01, 1977
Filed:
May. 13, 1976
Applicant:
Inventors:
William L Mancini, Framingham, MA (US);
Donald R Korb, Boston, MA (US);
Miguel F Refojo, Lexington, MA (US);
Assignee:
Corneal Sciences, Inc., Burlington, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; G02C / ;
U.S. Cl.
CPC ...
260 / ; 128130 ; 264-1 ; 260 / ; 351160 ; 424 81 ; 526230 ; 526273 ; 526320 ;
Abstract
This invention relates to polymers and hydrogels of polymers formed from a hydrophilic monomer of the group of dihydroxyalkyl acrylates and methacrylates, a substantially water insoluble monomer from the group of alkyl acrylates and methacrylates and preferably a minor amount of a water insoluble epoxidized alkyl acrylate or methacrylate. The hydrogels are preferably used for the formation of contact lenses, but may also be used for drug and pesticides delivery devices: dialysis, ultrafiltration and reverse osmosis membranes; implants in surgery and dentistry, and the like.