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:
Jul. 12, 1977
Filed:
Jul. 11, 1974
Jacques Pierre Pechmeze, Paris, FR;
Philippe Jean-Marie Touratier, Deuil La Barre, FR;
Louis Antoine Cabut, Nogent sur Oise, Creil, FR;
Produits Chimiques Ugine Kuhlmann, Paris, FR;
Abstract
Dyestuffs of the formula: ##STR1## in which R represents a hydroxy, amino, alkylamino or cyclo-alkylamino group, or a residue of the formula: ##STR2## n is equal to 0 or 1, X represents a hydrogen or halogen atom, a sulphonic group or an alkyl residue containing 1 to 4 carbon atoms, Y represents a hydrogen atom or a sulphonic group in position 5, 6, 7 or 8 at least one of the symbols X and Y representing a sulphonic group if n is equal to 0; process for the preparation of such dyestuffs; process for the coloration of natural or synthetic polyamide fibres with such dyestuffs and natural or synthetic polyamides dyed or printed with such dyestuffs.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile