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. 31, 1989
Filed:
Aug. 08, 1988
Applicant:
Inventors:
Fritz Engelhardt, Frankfurt am Main, DE;
Karl Hintermeier, Frankfurt am Main, DE;
Manfred Muller, Gelnhausen, DE;
Norbert Munch, Kelkheim, DE;
Hans Wagener, Hofheim, DE;
Assignee:
Cassella Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; D06M / ;
U.S. Cl.
CPC ...
252-875 ; 811551 ; 81156 ; 811564 ; 811566 ; 252-87 ; 252-88 ; 252-89 ; 560 19 ; 560 24 ; 560 25 ; 560 26 ; 560 29 ; 560 33 ; 560 34 ; 560155 ; 560157 ; 560158 ; 560159 ; 560160 ; 560165 ;
Abstract
Methylolated and optionally etherified urethanes containing fluoroalkyl ligans with formaldehyde, with or witout subsequent etherification, and are in the form of their solutions or aqueous dispersions suitable for the treatment of textiles and leather.