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:
Nov. 01, 1977
Filed:
Jun. 10, 1975
Aime Joseph Arsac, Condrieu, FR;
Pierre Frank, Saint Clair du Rhone, FR;
Produits Chimiques Ugine Kuhlmann, Paris, FR;
Abstract
Liquid dyestuffs of the general formula: ##STR1## in which A and B each represent the residue of an aromatic benzene or naphthalene primary amine, possibly substituted by alkyl or alkoxy groups containing 1 to 2 carbon atoms, n represents 0 or 1, y represents 0 or 1, x and Z each represent a whole number such that the sum x + y + z is a whole number from 5 to 17, a process for the preparation of such dyestuffs in which there is coupled in aqueous medium the diazo derivative of an amine of the general formula:
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile