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:
May. 10, 2011
Filed:
Jan. 31, 2005
Applicants:
Toshiya Watanabe, Fujisawa, JP;
Naoya Yoshida, Ebina, JP;
Masato Wakamura, Kawasaki, JP;
Inventors:
Assignees:
Fujitsu Limited, Kawasaki, JP;
Toudai TLO, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apatite-containing film having photocatalytic activity is produced by a process comprising the steps of preparing a liquid mixture comprising a Ca-containing compound and a P-containing compound, subjecting the liquid mixture to reaction to prepare an apatite-precursor composition, applying the apatite-precursor composition to a substrate, and drying the applied apatite-precursor composition. The process may further comprise a heating step after the drying step. The apatite-precursor composition is preferably in the form of a sol.