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.

Date of Patent:
Jul. 14, 1998

Filed:

Nov. 19, 1996
Applicant:
Inventors:

Urs Lehmann, Basel, CH;

Marcel Frick, Reinach, CH;

Klaus Hannemann, Lorrach, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ;
U.S. Cl.
CPC ...
8549 ; 8641 ; 8917 ; 8924 ;
Abstract

Process for dichromatic or trichromatic dyeing or printing of natural or synthetic polyamide fibre material, which comprises using at least one blue-dyeing fibre-reactive anthraquinone dye of the formula ##STR1## in which R.sub.1 and R.sub.2 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.12 alkyl,


Find Patent Forward Citations

Lehmann, Urs. (1998). Process for dichromatic or trichromatic dyeing or printing (U.S. Patent No. 5779740). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5779740

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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