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. 17, 2012
Filed:
Jun. 26, 2007
Applicants:
Kimitaka Tanaka, Wakayama, JP;
Satoshi Ueno, Wakayama, JP;
Koji Mine, Wakayama, JP;
Inventors:
Assignee:
Kao Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to hydrogel particles containing bubbles and having a specific gravity of 0.7 to 1.00 and an average particle diameter of 50 to 500 μm, as well as a process for producing the same. The hydrogel particles may also contain hollow inorganic particles.