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:
Dec. 11, 2001

Filed:

Jan. 29, 1999
Applicant:
Inventors:

Hiroshi Ogasa, Wako, JP;

Yusaku Sakata, Okayama, JP;

Akinori Muto, Okayama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/108 ;
U.S. Cl.
CPC ...
C01B 3/108 ;
Abstract

A granular active carbon for natural-gas occlusion is disclosed which can occlude natural gas at a relatively low pressure and has a high natural-gas occlusion capacity. The granular active carbon for natural-gas occlusion has first and second pores for the occlusion of constituent gas molecules of natural gas. The first pores each has a diameter d,, satisfying 2d<d,&lE;2.5d, while the second pores each has a diameter d,satisfying 5d<d,&lE;6d, wherein d is the diameter of the constituent gas molecules.


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