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. 30, 1993
Filed:
Oct. 26, 1992
Applicant:
Inventors:
Theophilus O Onwunaka, Midvale, UT (US);
James M Lambert, Sandy, UT (US);
Assignee:
Becton, Dickinson and Company, Franklin Lakes, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 28 ; 528 67 ; 528 76 ; 528 78 ;
Abstract
A non-yellowing, elastomeric polyurethane is made from a non-aromatic diisocyanate, a diol chain extender, a polyglycol and an aminodiol chain extender. The polyurethane is stable to sterilizing radiation, is made without any processing aids or toxic catalysts, and softens without swelling up to 95% when contacted with an aqueous liquid.