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:
Apr. 19, 1983
Filed:
Mar. 02, 1981
Applicant:
Inventors:
Hanns P Muller, Odenthal, DE;
Claus-Dieter Sommerfeld, Pittsburgh, PA (US);
Gernot Becker, Dormagen, DE;
Assignee:
Bayer Aktiengesellschaft, Bayerwerk, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07H / ; C09K / ;
U.S. Cl.
CPC ...
252182 ; 536 183 ; 536120 ; 568620 ;
Abstract
Polyether polyols are made by alkoxylating a mixture which is from 20-80 weight % sucrose and 80-20 weight % formitol. The product polyether polyols have an average hydroxyl functionality of at least 3 and a hydroxyl number of from 28 to 1000. These polyether polyols are particularly useful for the production of rigid polyurethane foams.