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. 30, 1985
Filed:
Jun. 21, 1983
James E Groose, Oakdale, PA (US);
Paul K Liu, Pittsburgh, PA (US);
Calgon Corporation, Pittsburgh, PA (US);
Abstract
The instant invention is directed to an activated carbon impregnated with 0.1 to 10 percent, by weight, of an amine compound, which is solid and sublimes at 40.degree. C. or above, and having a moisture content after impregnation of 5.0 percent or less, by weight. The instant invention is also directed to a process for impregnating carbon comprising allowing an amine compound, which is solid and sublimes at the temperature at which said amine is applied, to sublime in the presence of an activated carbon. The instant invention is also directed to the use of the impregnated carbon in removing toxic gases from a gas stream comprising passing the gas stream through the impregnated carbon.