IDiyas

For the Inventor, By the Inventor

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 5637679 B1

PDFFull Text
Date of Patent:
Jun. 10, 1997

Filed:

Jun. 07, 1995

Azo dyestuffs for dyeing and printing cellulose-containing fiber

Applicant:
Inventors:

Karin Hassenruck, Dusseldorf, DE;

Peter Wild, Odenthal, DE;

Frank-Michael Stohr, Odenthal, DE;

Assignee:

Bayer Aktiengesellschaft, Leverkusen, DE;

Attorney:

Sprung Horn Kramer & Woods

Primary Examiner:

Jacqueline Haley

Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
534691 ; 534796 ; 534805 ; 106 3148 ; 106 3152 ;
Abstract

New azo dyestuffs of the formula (I) ##STR1## wherein n in each case independently of one another represents 0 or 1,

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