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.:

US 4950305 B1

Date of Patent:

Aug. 21, 1990

Filed:

Aug. 07, 1989

Water-insoluble monoazo dyes, their preparation and use, and mixtures of

Applicant:

Inventors:

Ulrich Buhler, Alzenau, DE;

Margareta Boos, Hattersheim, DE;

Reinhard Kuhn, Frankfurt, DE;

Assignee:

Cassella Aktiengesellschaft, Frankfurt am Main, DE;

Attorney:

Connolly & Hutz

Primary Examiner:

A Lionel Clingman

Assistant Examiner:

J Darland

Int. Cl.

CPC ...

C09B / ; C09B / ; C09B / ;

U.S. Cl.

CPC ...

8639 ; 8662 ; 534630 ; 534640 ;

Abstract

Hydrophobic textile materials can be dyed or printed with one or more monoazo dyes of the formula ##STR1## in which R.sup.1 is fluoro, chloro or bromo;

Find Patent Forward Citations

Buhler, Ulrich. (1990). Water-insoluble monoazo dyes, their preparation and use, and mixtures of (U.S. Patent No. 4950305). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4950305

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