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. 31, 1996
Filed:
Nov. 27, 1995
Applicant:
Inventors:
Howard B Yokelson, Naperville, IL (US);
Philip O Nubel, Naperville, IL (US);
Raymond T Behrends, Lombard, IL (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08G / ;
U.S. Cl.
CPC ...
525131 ; 525293 ; 526312 ; 528 75 ; 528 84 ; 528 85 ; 528904 ;
Abstract
A hydrophobic polyurethane elastomer composition is disclosed containing a linear soft segment without pendant chain branched groups, wherein said polyurethane elastomer has a glass transition temperature (Tg) of less than -70.degree. C. and a moisture uptake of less than 1.0 wt. % after 24 hours of immersion in water at 70.degree. C., and wherein said polyurethane elastomer comprises at least one repeat unit containing said linear soft segment, which soft segment comprises a moiety derived from a polyol of the structure: