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:
May. 08, 1979
Filed:
Sep. 30, 1977
Applicant:
Inventor:
Enzo Rosati, Seregno (Milan), IT;
Assignee:
Aziende Colori Nazionali Affini -ACNA S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
260207 ; 2605 / ; 2605 / ; 562475 ;
Abstract
Novel monoazo dyes (sparingly soluble in water) which are free of sulphonic groups and which contain an aliphatic-carboxylic chain directly bound to the aryl nucleus of the coupling compound are particularly useful in uniformly dyeing polyamide fibers and/or fabrics yellow to orange-yellow.