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. 20, 1981
Filed:
Mar. 18, 1980
Applicant:
Inventors:
Harro Petersen, Frankenthal, DE;
Panemangalore S Pai, Charlotte, NC (US);
Friedrich Klippel, Ludwigshafen, DE;
Friedrich Reinert, Wachenheim, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06M / ;
U.S. Cl.
CPC ...
8186 ; 260 / ; 4273899 ; 528245 ;
Abstract
Process for the production of formaldehyde-free finishing agents for textiles containing or consisting of cellulose which is based on the reaction of urea or symmetrically disubstituted urea with glyoxal in the presence of buffer salts and alcohols at a pH of below 7, buffered mixtures of 4,5-hydroxyethyleneureas or N,N'-disubstituted 4,5-dihydroxyethyleneureas partially etherified in 4- and 5-positions being formed.