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:
Jan. 20, 1987
Filed:
Aug. 25, 1983
Norman B Rainer, Richmond, VA (US);
Charles S McClung, Prince George, VA (US);
Philip Morris Incorporated, New York, NY (US);
Abstract
A composition for removal of NO from smoke, effective after storage in the presence of moisture and the volatile components of tobacco, comprising, by weight of the total composition, from about 5% to about 40% of a permanganate selected from the group consisting of NaMnO.sub.4, Ca(MnO.sub.4).sub.2 and mixtures thereof, from about 0.5% to about 6% colloidal silica, from about 40% to about 90% silica gel and from about 4% to about 30% H.sub.2 O, with the silica gel having a granule size of from about 20 to about 100 mesh and an initial pore volume of from about 0.6 cc/g to about 1.4 cc/g. Alumina gel may be used in place of part of the silica gel in order to reduce the temperature of the smoke.