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. 30, 1999
Filed:
Dec. 11, 1996
Applicant:
Inventors:
Takeshi Tabata, Osaka, JP;
Mikako Kokitsu, Osaka, JP;
Osamu Okada, Osaka, JP;
Hirofumi Ohtsuka, Hyogo, JP;
Giuseppe Bellussi, Piacenza, IT;
Luigina Maria Sabatino, San Donato Milanese, IT;
Assignees:
Osaka Gas Company Limited, Osaka, JP;
Eniricerche S.p.A., San Donato Milanese, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
4232392 ; 4232135 ; 502 60 ; 502 64 ; 502 66 ; 502 73 ; 502 74 ;