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:
Mar. 10, 1998
Filed:
May. 08, 1997
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430510 ; 430517 ; 430522 ; 430631 ; 430635 ; 430637 ;
Abstract
A dispersion of fine solid particles having good production suitability, good dispersion stability and high spectral absorption, which is obtained by pulverizing an aqueous slurry of a dye represented by general formula (II) in the presence of a polyalkylene oxide represented by general formula (I-a) or (I-b): ##STR1## wherein a and b each represents a value of 5 to 500.