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:
Oct. 08, 1991
Filed:
Feb. 27, 1990
Applicant:
Inventors:
Robert F Harris, Midland, MI (US);
Michael D Joseph, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 59 ; 528 58 ; 528 76 ; 528 77 ; 528 78 ; 528290 ; 528292 ; 528354 ; 528359 ; 528367 ; 564 17 ; 564 22 ; 564 26 ; 564 30 ; 564 32 ; 564 38 ; 564 47 ; 564 55 ;
Abstract
This invention relates to novel polymeric polyamines containing internal urea, biuret, thiourea, dithiobiuret, amide, and/or thioamide moieties, and to polymers prepared therefrom. This invention also relates to novel isocyanate-functional prepolymers containing urea, biuret, thiourea, dithiobiuret, amide, and/or thioamide moieties and to polymers prepared therefrom.