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:
Dec. 01, 1998
Filed:
Sep. 17, 1997
Applicant:
Inventor:
Klaus Kunde, Neunkirchen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ; D21H / ;
U.S. Cl.
CPC ...
534797 ; 534819 ; 534598 ; 534599 ; 534591 ;
Abstract
The novel dyestuffs of the formula (I) ##STR1## in which the substituents R and X have the meaning given in the description, are outstandingly suitable for dyeing cellulosic materials in blue color shades which are particularly fast to light.
Quick Actions:
Kunde, Klaus. (1998). Light-fast disazo dyestuffs (U.S. Patent No. 5844101). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5844101
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile