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:
Feb. 03, 1981
Filed:
Aug. 10, 1978
Applicant:
Inventor:
Friedrich Reinhardt, Bad Soden am Taunus, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ;
U.S. Cl.
CPC ...
8532 ; 8529 ; 8531 ; 8636 ;
Abstract
Fast colorations are obtained on materials consisting of or containing cellulosic fibers when aqueous alkaline solutions of water-insoluble dyeing matters are applied onto these materials, followed by a fixation by steaming and/or dry heat.