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. 25, 2011
Filed:
Sep. 03, 2009
Applicants:
Keiji Tomura, Tokyo, JP;
Shingo Takao, Tokyo, JP;
Takao Kitagawa, Tokyo, JP;
Inventors:
Assignee:
JFE Engineering Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 213/08 (2006.01); C07C 211/62 (2006.01); F17C 5/00 (2006.01); F25D 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An aqueous solution containing a quaternary ammonium salt as a guest compound of a clathrate hydrate, having a property of producing the clathrate hydrate when cooled, and further containing a phosphate of an alkali metal added thereto. A clathrate hydrate produced by cooling an aqueous solution containing a quaternary ammonium salt and a phosphate of an alkali metal, wherein the quaternary ammonium salt is the guest compound.