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:
Sep. 30, 1980
Filed:
Sep. 12, 1977
Applicant:
Inventor:
Donald R Gauthier, Somerset, MA (US);
Assignee:
ICI United States, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
260156 ; 260205 ; 260206 ; 2605025 ; 546286 ; 546296 ; 546298 ; 546300 ;
Abstract
Azo pyridone dyestuffs containing at least one reactive phosphoric or phosphonic acid group. The dyestuffs are characterized by the formula:
Quick Actions:
Gauthier, Donald. (1980). Azo pyridone dyestuffs containing at least one reactive phosphoric or (U.S. Patent No. 4225491). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4225491
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile