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, 1976
Filed:
Mar. 25, 1975
Applicant:
Inventors:
William Joseph Mergens, West Caldwell, NJ (US);
Harold Leon Newmark, Maplewood, NJ (US);
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24B / ;
U.S. Cl.
CPC ...
131 / ; 131-9 ; 131266 ;
Abstract
The amount of nitrogen dioxide in tobacco smoke is materially reduced by bringing the smoke into contact with uncombusted tobacco having dispersed therein an effective amount of a composition comprising a pharmaceutically acceptable salt of ascorbic acid or erthorbic acid or mixtures of such salts with their respective acids wherein the molar ratio of acid to salt does not exceed about 3:1.