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.

Date of Patent:
Mar. 24, 2015

Filed:

Dec. 11, 2009
Applicants:

Katsumi Kamegawa, Tosu, JP;

Tsuyoshi Sakaki, Tosu, JP;

Kinya Sakanishi, Higashihiroshima, JP;

Masaya Kodama, Tsukuba, JP;

Keiko Nishikubo, Tosu, JP;

Yoshio Adachi, Tosu, JP;

Inventors:

Katsumi Kamegawa, Tosu, JP;

Tsuyoshi Sakaki, Tosu, JP;

Kinya Sakanishi, Higashihiroshima, JP;

Masaya Kodama, Tsukuba, JP;

Keiko Nishikubo, Tosu, JP;

Yoshio Adachi, Tosu, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 31/02 (2006.01); B32B 5/16 (2006.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
C01B 31/02 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C01B 31/0206 (2013.01); C01P 2004/34 (2013.01); C01P 2004/61 (2013.01);
Abstract

Elastic and ultra-lightweight hollow carbon fine particles and a method for producing such hollow carbon fine particles are to be provided. In the method, fine droplets are formed from a mixed solution containing a water soluble organic substance and lithium carbonate; composite fine particles of the water soluble organic substance and the lithium carbonate are prepared by drying the fine droplets formed from the mixed solution; and the composite fine particles are decomposed at a temperature in a range of 500° C. to 900° C.


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