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:
Aug. 18, 1992
Filed:
Apr. 25, 1991
Applicant:
Inventor:
Dietrich Hildebrand, Odenthal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
8502 ; 8543 ; 8549 ; 8918 ;
Abstract
A process for the subsequent dyeing of cellulose fibre materials with reactive dyestuffs by the exhaust method from a single bath is characterized in that the exhausted bath used for the previous dyeing is reused without any further purification operation after the volume, salt content and initial pH value have each been brought to the level required for the next dyeing.