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:
Jul. 02, 2002
Filed:
Mar. 22, 2000
Applicant:
Inventor:
Walter George Tramposch, Moon Township, PA (US);
Assignee:
Calgon Carbon Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 8/124 ;
U.S. Cl.
CPC ...
B65D 8/124 ;
Abstract
An apparatus and a method for substantially preventing tarnish from forming on metal objects such as silver, copper or brass objects. It comprises an enclosure for substantially sealing within a metal object and for substantially surrounding the metal object within the enclosure. The invention also provides for the regeneration and reuse of the adsorbent by washing the adsorbent with solvent and subsequently heating to a temperature less than about 350° C. to restore an adsorptive capacity of said adsorbent.