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:
Jul. 12, 2005
Filed:
Jul. 18, 2003
Applicants:
Joseph F. Bringley, Rochester, NY (US);
Katherine M. Broadus, Rochester, NY (US);
Lori Shaw-klein, Rochester, NY (US);
Gary N. Barber, Penfield, NY (US);
Inventors:
Joseph F. Bringley, Rochester, NY (US);
Katherine M. Broadus, Rochester, NY (US);
Lori Shaw-Klein, Rochester, NY (US);
Gary N. Barber, Penfield, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M005/40 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to a cationic shelled particle comprising a colloidal alumina core having a median diameter of between 20 and 2000 nm and a positive charge, a layer on the surface of said core particle having a negative charge and comprising particles of a median diameter of less than 30% of the median diameter of said core particle, and an outer layer of positive charge.