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. 27, 1988
Filed:
Jun. 20, 1986
Applicant:
Inventors:
Howard W Clark, Midland, MI (US);
Tracy E Chapman, Midland, MI (US);
Ronald L Yates, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C / ; C09C / ;
U.S. Cl.
CPC ...
106402 ; 106442 ; 106445 ; 106462 ; 106461 ; 106471 ; 106463 ; 106499 ; 106501 ; 106503 ; 210683 ; 252175 ; 252179 ; 252184 ; 423463 ; 423467 ; 423593 ; 423600 ;
Abstract
A water-insoluble pigment comprising a complex of a water-insoluble inorganic substrate exhibiting anion exchange properties, a water-soluble dye, and an anionic amphipathic material is disclosed.