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:
Jan. 16, 1990
Filed:
Nov. 30, 1988
Applicant:
Inventors:
Peter Hohlein, Kempen, DE;
Hans-Joachim Hofer, Cologne, DE;
Josef Pedain, Cologne, DE;
Manfred Schonfelder, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 75 ; 528303 ; 560217 ; 560224 ;
Abstract
The present invention is directed to polyester polyols in the hydroxyl number range of about 80 to 250 which are based on reaction products of