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. 22, 1992
Filed:
Oct. 17, 1989
Applicant:
Inventors:
Heinz G Gilch, Bad Homburg, DE;
Walter Rath, Oberursel, DE;
Assignee:
Bostik, Inc., Middleton, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525130 ; 525131 ; 525403 ; 525404 ; 525408 ; 525409 ; 525440 ; 525454 ; 525455 ; 525458 ; 525460 ; 528 60 ; 528 66 ; 528 67 ;
Abstract
A quick-setting, moisture-curing hot-melt polyurethane composition having a first polyether-based polyurethane prepolymer having a Tg above room temperature and a second polyurethane prepolymer with a Tg below room temperature, the first prepolymer being prepared from a low molecular weight polyether; preferably the second prepolymer is also polyether based and prepared from a high molecular weight polyether.