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:
Nov. 03, 1992
Filed:
Dec. 17, 1991
Applicant:
Inventors:
Manfred Hoppe, Kuerten, DE;
Dieter Wiegner, Odenthal, DE;
Klaus-Peter Sagner, Leverkusen, DE;
Heinz D Jordan, Leverkusen, DE;
Horst Brandt, Odenthal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ;
U.S. Cl.
CPC ...
8639 ; 534573 ; 8524 ; 8550 ;
Abstract
Mixtures of dyestuffs of the formulae I to IV ##STR1## wherein the radicals have the meanings customary in dyestuff chemistry, are excellent substitute products for the expensive anthraquinone dyestuff Disperse Blue 56.
Quick Actions:
Hoppe, Manfred. (1992). Mixtures of blue azo disperse dyestuffs (U.S. Patent No. 5160348). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5160348
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile