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. 13, 1976
Filed:
Sep. 14, 1973
Andre Louis Sailer, Du Rhone, FR;
Pierre Frank, Du Rhone, FR;
Produits Chimiques Ugine Kuhlmann, Paris, FR;
Abstract
The invention is directed to pentakisazo dyestuffs of the formula: ##SPC1## In which A.sub.1 and A.sub.2 may be the same or different and each is monosulphonaphthylene, hydroxy-monosulpho-naphthylene or hydroxy-disulphonaphthylene and B.sub.1 and B.sub.2 may be the same or different and each is dihydroxy-phenyl, diamino-phenyl, diamino-tolyl, diaminosulpho-phenyl, amino-hydroxy-phenyl, N-(sulphomethyl)-aminohydroxy-phenyl, amino-naphthyl, hydroxy-naphthyl, hydroxysulpho-naphthyl, amino-sulpho-naphthyl, amino-hydroxy-monosulpho-naphthyl, amino-hydroxy-disulpho-naphthyl, phenylmethyl-hydroxy-pyrazolyl, (dichloro-sulpho-phenyl)-methylhydroxy-pyrazolyl, (sulphophenyl)-methyl-hydroxy-pyrazolyl, 1-carbethoxy-2-oxo-propyl, N-phenyl-1-carbamoyl-2-oxy-propyl, N-(sulphophenyl)-1-carbamoyl-2-oxo-propyl, 2,4-dioxo-3-pentyl, dicarbethoxy-methyl, phenyl-carboxy-hydroxy-pyrazolyl, N-tolyl-1-carbamoyl-2-oxo-propyl, or N-(chlorophenyl)-1-carbamoyl-2-oxopropyl; such dyestuffs are useful for dyeing animal or vegetable fibers in blue to black shades.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile