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:
Jan. 18, 2005
Filed:
Oct. 17, 2003
Applicants:
Nobuya Shimo, Hiroshima-ken, JP;
Koso Aoki, Hiroshima-ken, JP;
Hiromitsu Sakurai, Hiroshima-ken, JP;
Shinji Uemoto, Hiroshima-ken, JP;
Inventors:
Nobuya Shimo, Hiroshima-ken, JP;
Koso Aoki, Hiroshima-ken, JP;
Hiromitsu Sakurai, Hiroshima-ken, JP;
Shinji Uemoto, Hiroshima-ken, JP;
Assignee:
Toda Kogyo Corporation, Hiroshima-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 516 ;
U.S. Cl.
CPC ...
Abstract
Black iron-based particles comprise a FeTiO—FeOsolid solution or a mixed composition of a FeTiO—FeOsolid solution and an iron-based oxide having a spinel structure, and having a Ti content of from more than 10.0 atm % to 40.0 atm %, calculated as Ti, based on whole Fe, and a blackness (L* value) of 6 to 13.