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. 12, 1983
Filed:
Nov. 27, 1981
Applicant:
Inventors:
Peter Haas, Haan, DE;
Hans-Albrecht Freitag, Bergisch-Gladbach, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521115 ; 528 53 ;
Abstract
The invention relates to a process for the preparation of foamed or unfoamed polyurethanes by the reaction of compounds with molecular weights of 400 to 10,000 having at least two isocyanate-reactive hydrogen atoms with polyisocyanates in the presence of catalysts containing tertiary amino groups and optionally in the presence of chain-lengthening agents of molecular weight 32 to 400, foam stabilizers, water and/or organic blowing agents and optionally other auxiliary agents and additives, characterized in that the catalysts are morpholine derivatives of the general formula ##STR1## wherein X is an integer from 3 to 6 and