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. 25, 2004
Filed:
Jul. 29, 2002
Applicant:
Inventors:
John Michael Cotte, New Fairfield, CT (US);
Kenneth John McCullough, Fishkill, NY (US);
Wayne Martin Moreau, Wappinger, NY (US);
Keith R. Pope, Danbury, CT (US);
John P. Simons, Wappingers Falls, NY (US);
Charles J. Taft, Wappingers Falls, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 3/10 ;
U.S. Cl.
CPC ...
B08B 3/10 ;
Abstract
A process and apparatus for cleaning filters prior to recycling or disposal. In this process and apparatus liquid or supercritical carbon dioxide contacts the plugged pores of a filter under conditions in which carbon dioxide remains in the liquid or supercritical state.