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. 19, 1981
Filed:
Oct. 19, 1979
Horst Harnisch, Much, DE;
Peter Rasche, Aachen, DE;
Bayer Aktiengesellschaft, Leverkusen, DE;
Abstract
An acid monomethine-metal complex dyestuff of the formula ##STR1## wherein M, Z, R, A, Y, n, a and b have the meaning given in the description. The acid metal complex dyestuffs of the formula I are valuable dyestuffs which are outstandingly suitable for dyeing and printing wool, silk and especially synthetic polyamides, such as NYLON and PERLON, in very clear shades ranging from yellow to blue, and are distinguished by high tinctorial strength, good build-up capacity and affinity and very good fastness characteristics, especially fastness to light.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile