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:
Aug. 03, 2010
Filed:
Nov. 13, 2007
Kazuko Nakajima, Tokyo, JP;
Shigeki Katsuta, Tokyo, JP;
Kazuko Nakajima, Tokyo, JP;
Shigeki Katsuta, Tokyo, JP;
Asahi Kasei Chemicals Corporation, Tokyo, JP;
Abstract
Disclosed is a metal pigment composition which can be used in an aqueous coating and shows excellent storage stability of a coating agent, and which is reduced in the deterioration of glossiness, hiding power, flip-flop property and the like when formed into a coating film. Specifically disclosed is a metal pigment composition which is treated with at least one amine salt of a heteropoly acid. The heteroatom constituting the heteropoly acid is at least one element selected from the elements belonging to Groups III, IV and V. The polyatom constituting the heteropoly acid is a transition metal. The amount of the amine salt of the heteropoly acid is preferably 0.01 to 10 parts by weight relative to 100 parts by weight of a metal pigment. The metal pigment is preferably an aluminum flake.