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:
Apr. 03, 1990

Filed:

Sep. 02, 1988
Applicant:
Inventors:

Bernhard Schlick, Basel, CH;

Claudio Artico, Udine, IT;

Assignee:

Sandoz Ltd., Basel, CH;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; C09B / ;
U.S. Cl.
CPC ...
8532 ; 8496 ; 8534 ; 8539 ; 8541 ; 8543 ; 8551 ; 8556 ; 8654 ; 8657 ; 8918 ; 8922 ; 8927 ;
Abstract

A mixed fabric of hydroxy group-containing fibers and cyano and/or carboxy group-containing fibers, the hydroxy group-containing fibers having been dyed with a reactive dye, is aftertreated with a product of reacting a mono- or polyfunctional amine having one or more primary, secondary and/or tertiary amino groups with cyanamide, dicyandiamide guanidine or bis-guanidine, said product containing at least one reactive hydrogen atom linked to a nitrogen atom, and is then dyed with a basic dye.


Find Patent Forward Citations

Schlick, Bernhard. (1990). Dyeing a mixed fibre fabric of cellulose/polyacrylonitrile of (U.S. Patent No. 4913705). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4913705

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

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