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.:

US 7727920 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 01, 2010

Filed:

Sep. 09, 2008
Applicants:

Takeshi Oobuchi, Saku, JP;

Tadashi Otagiri, Nagoya, JP;

Yoshinori Ide, Minami-Saku Gun, JP;

Inventors:

Takeshi Oobuchi, Saku, JP;

Tadashi Otagiri, Nagoya, JP;

Yoshinori Ide, Minami-Saku Gun, JP;

Assignees:

NGK Insulators, Ltd., Nagoya, JP;

Soshin Electric Co., Ltd., Saku-Shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 35/03 (2006.01); C04B 35/00 (2006.01); C04B 33/24 (2006.01); C04B 14/00 (2006.01); B32B 18/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

0.5 to 30 parts by weight of a hexagonal celsian powder is added to 100 parts by weight of a ceramic raw material powder to give a mixture. The mixture is sintered to give a ceramic porcelain so as to precipitate monoclinic celsian in the ceramic porcelain.


Find Patent Forward Citations

Oobuchi, Takeshi. (2010). Process for production of ceramic porcelains, ceramic procelains and electronic components (U.S. Patent No. 7727920). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7727920

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