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:
Jun. 01, 2010
Filed:
Feb. 09, 2007
Applicants:
Minoru Kuniyoshi, Mie, JP;
Toshinobu Yoko, Uji, JP;
Inventors:
Minoru Kuniyoshi, Mie, JP;
Toshinobu Yoko, Uji, JP;
Assignee:
Central Glass Company, Limited, Ube-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 77/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a process for producing an organic-inorganic hybrid glassy material, including the sequential steps of (a) concentrating a starting sol of an organic-inorganic hybrid glassy material, thereby yielding a precursor material having meltability; (b) melting the precursor material; (c) subjecting a product of the step (b) to a heating treatment under reduced pressure; and (d) subjecting a product of the step (c) to a high-temperature heat treatment at 300° C. or higher.