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:
Jun. 25, 1996
Filed:
Aug. 12, 1993
Applicant:
Inventor:
Albert Giorgini, Maplewood, MN (US);
Assignee:
H. B. Fuller Licensing & Financing, Inc., Arden Hills, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 59 ; 528 65 ; 528 67 ; 528 75 ; 528 85 ;
Abstract
Non-pearlescent, single phase, low viscosity, solvent-free isocyanate functional urethane prepolymer compositions from hydroxy-terminated diene polymers and excess diphenylmethane diisocyanate are obtained at reaction temperatures of 100.degree. C. or less when the diphenylmethane diisocyanate used in the composition includes at least 20% of the isomer 2.4'-diphenylmethane diisocyanate.