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:
Jan. 08, 1991
Filed:
May. 26, 1989
Applicant:
Inventors:
Rolf Streicher, Worms, DE;
Ortwin Schaffer, Ludwigshafen, DE;
Horst Belde, Lugwigshafen, DE;
Paul Guenthert, Schifferstadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06P / ;
U.S. Cl.
CPC ...
8436 ; 8404 ;
Abstract
Leather is dyed with pigments in an aqueous liquor at from 20.degree. to 60.degree. C. in the presence of an alkoxylated amine of 20 or more carbon atoms.