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. 27, 1984
Filed:
Apr. 25, 1983
Applicant:
Inventors:
Hans-Ulrich Buschhaus, Cologne, DE;
Kurt Findeisen, Odenthal, DE;
Hans-Joachim Traenckner, Krefeld, DE;
Wolfgang Beer, Krefeld, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C07D / ;
U.S. Cl.
CPC ...
528 73 ; 548307 ;
Abstract
The present invention relates to a process for the production of compounds containing reversibly blocked and, optionally, free alcoholic hydroxyl groups, characterized in that organic compounds containing at least one alcoholic hydroxyl group, but otherwise being inert under the reaction conditions are reacted at 0.degree. to 140.degree. C. with N,N'-disubstituted 5-acylimino-imidazolidine diones. The present invention also relates to the use of these compounds for the production of polyurethanes.