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:
Sep. 04, 1984
Filed:
Nov. 12, 1982
Applicant:
Inventor:
Doreswamy R Iyengar, Holland, MI (US);
Assignee:
BASF Wyandotte Corporation, Wyandotte, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
1062 / ; 1063 / ; 1063 / ;
Abstract
It has been discovered in accordance with the instant invention that a process which combines a relatively low temperature heat treatment of precipitated Alkali Blue slurry with subsequent freeze drying of the presscake yields a product which exhibits superior tinting strength and dispersion properties as well as excellent texture.
Iyengar, Doreswamy. (1984). Soft textured high strength alkali blue pigment (U.S. Patent No. 4469519). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4469519
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile