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. 15, 2010
Filed:
Nov. 26, 2002
Applicants:
Masanori Fukui, Akita, JP;
Takahiro Satoh, Akita, JP;
Inventors:
Masanori Fukui, Akita, JP;
Takahiro Satoh, Akita, JP;
Assignee:
Japan Super Quartz Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/12 (2006.01); C01B 33/18 (2006.01); C03B 19/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A modified synthetic silica powder is produced by heating in vacuum an amorphous synthetic silica powder produced by a sol-gel process, and then cooling the heated silica powder in an atmosphere containing helium. When the modified synthetic silica powder is fused and vitrified in a process of crucible production, the resulting quartz glass crucible contains hardly any bubbles.
Fukui, Masanori. (2010). Modification process of synthetic silica powder and its quartz glass product (U.S. Patent No. 7736613). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7736613
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile