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:
Apr. 28, 1987
Filed:
Dec. 05, 1985
Applicant:
Inventors:
Kaoru Inagami, Tokyo, JP;
Takawo Ohtsu, Kanagawa, JP;
Assignees:
The Calpis Food Industry Co., Ltd., Tokyo, JP;
JGC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 97 ; 55279 ; 55267 ; 422-4 ;
Abstract
Feed and/or exhaust air can be readily and effectively sterilized by passing said air through a high-temperature filter equipped with built-in heat-retaining material, which process is available in air supply and/or exhaust systems of, e.g., culture equipment for microorganisms and clean rooms in hospitals.