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:
Jan. 08, 2013
Filed:
May. 29, 2009
Applicants:
Hiroshi Kojima, Tokyo, JP;
Tsuyoshi Sakurazawa, Tokyo, JP;
Minoru Ito, Tokyo, JP;
Inventors:
Assignee:
Hoya Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B05D 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A manufacturing method of plastic lens includes the steps of: preparing a first liquid containing at least one metal oxide and a second liquid containing at least one organosilicon compound; manufacturing a hard coat liquid by mixing the first liquid and the second liquid so that the mass ratio of the solid content of the first liquid to the solid content of second liquid falls within a range of 45/55 to 65/35; and coating the hard coat liquid on a plastic lens substrate to form a hard coat film and then curing the hard coat film.