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:
Mar. 06, 1979
Filed:
Mar. 09, 1977
Patrick J Jefferies, Fort Mitchell, KY (US);
Nicholas A Ambrosiano, Cincinnati, OH (US);
Sterling Drug Inc., New York, NY (US);
Abstract
Novel mixtures, which consist essentially of a monoazo compound selected from the group of 1-phenylazo-2-hydroxynaphthalenes or of a disazo compound selected from the group of various bis-phenyl and bridged bis-phenyl diamines diazotized and coupled to .beta.-naphthols, acetoacetanilides or 1-phenyl-3-methyl-5-pyrazolones and N,N'-bis(4-phenylazo-3-hydroxy-2-naphthocarbonyl)diaminoethanes multiply and randomly substituted with an average of one to eight aminomethyl groups per molecule or the acid-addition salts thereof, obtained by polyaminomethylating monoazo or disazo compounds, are useful for coloring natural fibers, synthetic fiber-forming material and cellulosic materials as well as in the manufacture of paper, varnishes, inks, coatings and plastics.