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. 20, 1976
Filed:
Aug. 05, 1974
Applicant:
Inventors:
Horst Schnurbusch, Herne, DT;
Peter Kirchner, Wanne-Eickel, DT;
Assignee:
Veba-Chemie AG, Gelsenkirchen-Buer, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2604 / ; 260 / ; 260 / ; 2604 / ;
Abstract
Urea derivative containing isocyanate groups having the formula ##SPC1## This urea derivative is prepared by reacting 3-isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanate with water in a molar ratio of 2:1 at temperatures in the range of 0.degree.-100.degree.C in the presence of a catalyst with stirring in a solvent for the urea derivative.