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:
Aug. 28, 2007
Applicants:
Ryuji Kato, Aisai, JP;
Hisako Tonishi, Kariya, JP;
Inventors:
Ryuji Kato, Aisai, JP;
Hisako Tonishi, Kariya, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Aichi-Ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 11/00 (2006.01); C09D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ink set for ink-jet recording includes a black ink containing a black pigment having an average particle size of from about 100 nm to about 150 nm, and color inks containing color pigments having an average particle size of from about 60 nm to about 90 nm. The dynamic surface tension of the black ink is from about 40 mN/m to about 45 mN/m, and the dynamic surface tension of each of the yellow ink, the magenta ink and the cyan ink is from about 35 mN/m to about 40 mN/m measured on the condition of 25° C. according to a maximum bubble pressure method at lifetime of 100 ms.