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:
Sep. 14, 1999
Filed:
Dec. 18, 1996
Applicant:
Inventors:
Tak-lung Chang, Skillman, NJ (US);
Sheng-hung Kuo, Princeton, NJ (US);
Kishore Shah, Bridgewater, NJ (US);
Agis Kydonieus, Kendall Park, NJ (US);
Assignee:
Bristol-Myers Squibb Company, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08K / ; C08L / ; C08G / ;
U.S. Cl.
CPC ...
524590 ; 524589 ; 528 44 ; 528 76 ; 528 77 ; 528 85 ; 602 54 ;
Abstract
Method for forming a polyurethane based adhesive composition in which a reaction mixture of at least one NCO-terminated prepolymer and a polyhydroxy compound is heated at a temperature and for a length of time sufficient to provide a gel content of from about 30 to 42% by weight and a molecular weight of extractables of at least about 45,000. Polyurethane based adhesives prepared by the method and medical devices employing the same are also disclosed.