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:
Jun. 02, 1981
Filed:
Oct. 02, 1979
Applicant:
Inventors:
Terence E Heald, Manchester, GB;
Roy Porter, Manchester, GB;
Assignee:
Imperial Chemical Industries Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ;
U.S. Cl.
CPC ...
8527 ; 8584 ; 8613 ; 8908 ;
Abstract
Aqueous dispersions of dyestuffs which are susceptible to crystal growth of the dyestuff particles in the dispersion, stabilized against such crystal growth by addition to the dispersion of a phosphated alkylphenol ethoxylate.
Heald, Terence. (1981). Stabilized aqueous dyestuff dispersions (U.S. Patent No. 4270917). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4270917
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile