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:
May. 09, 2000
Filed:
Jun. 02, 1998
Applicant:
Inventor:
Toshiyuki Tsukamoto, Ushiku, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
4232 / ; 423241 ;
Abstract
A process for the abatement of a ClF.sub.x containing gas such as exhaust gases from a reactor wherein at least one step of the manufacture of integrated circuit is carried out, wherein the ClF.sub.x containing gas is passed through a bed of adsorbent comprising sodalime having a moisture content of less than 3% by weight, to substantially remove all of the ClF.sub.x compound from the ClF.sub.x containing gas with substantially no generation of byproducts.