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. 18, 1994
Filed:
Oct. 07, 1993
Applicant:
Inventors:
Michael Gassan, Senftenberg, DE;
Bernhard Naber, Schwarzheide, DE;
Vera Neiss, Schwarzheide, DE;
Peter Moeckel, Luetzschena, DE;
Wolfgang Weissflog, Halle, DE;
Assignee:
BASF Schwarzheide GmbH, Schwarzheide, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525453 ; 525460 ; 528494 ; 25218224 ; 25218225 ; 25218226 ; 25218227 ;
Abstract
A process for the preparation of recyclate polyols obtained by glycolysis of polyurethanes and/or polyurea-polyurethanes comprises metering in monofunctional and/or difunctional glycidyl ethers over the entire course of the reaction; the low-amine recyclate polyols obtained in this way are used for the preparation of cellular or noncellular polyurethanes.