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. 28, 1978
Filed:
Aug. 06, 1976
Applicant:
Inventor:
Patrick Joseph Jefferies, Fort Mitchell, KY (US);
Assignee:
Sterling Drug Inc., New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
8 1 / ; 2603145 ;
Abstract
Storage-stable aqueous compositions containing dissolved water-soluble methanesulfonic acid addition salts or mixed methanesulfonic acid-hydrochloric acid addition salts of poly(aminomethylated) metal phthalocyanines, which are prepared by the interaction of methanesulfonic acid and poly(aminomethylated) metal phthalocyanines, are useful for direct dyeing, particularly the dyeing of cellulose.