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:
Mar. 04, 2003
Filed:
Oct. 29, 2001
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 2/726 ; C08G 5/900 ;
U.S. Cl.
CPC ...
B01J 2/726 ; C08G 5/900 ;
Abstract
The invention relates to new double metal cyanide (DMC) catalysts for the production of polyether polyols by polyaddition of alkylene oxides to starter compounds containing active hydrogen atoms, wherein the catalyst contains a) double metal cyanide compounds, b) organic complex ligands different from c), and c) &agr;,&bgr;-unsaturated carboxylic acid esters. The catalysts according to the invention have a significantly improved activity in the production of polyether polyols.
Ooms, Pieter. (2003). Double metal cyanide catalysts for the production of polyther polyols (U.S. Patent No. 6528616). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6528616
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile