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. 26, 1978
Filed:
Aug. 12, 1976
Gerard Emile Coispeau, Soisy Sous Montmorency, FR;
Jacques Pierre Pechmeze, Paris, FR;
Produits Chimiques Ugine Kuhlmann, Paris, FR;
Abstract
New cationic pyrazole dyestuffs are disclosed represented by the general formula: ##STR1## wherein one of the symbols R.sub.1 and R.sub.3 represents an alkyl group and the other a phenyl, chlorophenyl or methoxyphenyl group; R.sub.2 represents an alkyl group; R.sub.4 represents a hydrogen atom or an alkyl, hydroxyalkyl, halogenoalkyl, alkoxyalkyl or acylaminoalkyl group; X represents a hydrogen or chlorine atom; Y represents a hydrogen or halogen atom or a methyl, alkoxy or acetylamino group; and A.sup.- represents a monovalent anion. These pyrazole dyestuffs can be used for dyeing or printing of fibers based on polymers or copolymers of acrylonitrile and fibers based on polyamides or polyesters modified by acid groups.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile