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:
Dec. 23, 1980
Filed:
Oct. 02, 1978
Applicant:
Inventors:
Ulrich Baumgarte, Limburgerhof, DE;
Sigismund Heimann, Ludwigshafen, DE;
Michele Vescia, Limburgerhof, DE;
Johannes Winkler, Birkenau, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ;
U.S. Cl.
CPC ...
8607 ; 8137 ;
Abstract
Dyed or printed synthetic fibers or materials consisting of synthetic fibers or of a mixture of synthetic fibers with other fibers are aftertreated with aqueous solutions which contain from 0.2 to 20 g/l of a mixture of one or more surfactants and a reductonate. The pH of the liquor is brought to above 8 and the aftertreatment is carried out at from 40.degree. to 100.degree. C.