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:
Oct. 25, 1983
Filed:
Feb. 26, 1982
Applicant:
Inventors:
Peter Wild, Alten Buseck, DE;
Horst Nickel, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D21H / ; D21H / ;
U.S. Cl.
CPC ...
8654 ; 8919 ; 162162 ;
Abstract
Cationic azo dyestuffs of the formula ##STR1## wherein X.sup.(+) denotes an ammonium group, m denotes 0 or 1,
Wild, Peter. (1983). Processes for dyeing paper, and agents containing azo dyestuffs (U.S. Patent No. 4411669). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4411669
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile