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:
Nov. 16, 1993
Filed:
Aug. 19, 1992
Applicant:
Inventors:
Kazuhiro Sayama, Tsukuba, JP;
Hironori Arakawa, Tsukuba, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ;
U.S. Cl.
CPC ...
2041575 ; 20415752 ;
Abstract
There is disclosed a method for producing hydrogen and oxygen photocatalytically from water, which comprises bringing an aqueous solution of carbonate into contact with a semiconductor carrying a metal or a metal compound and irradiating the aqueous solution with light.