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. 20, 1993
Filed:
Nov. 27, 1991
Applicant:
Inventors:
Jay A Fournier, Richmond, VA (US);
Andrew G Kallianos, Midlothian, VA (US);
John B Paine, III, Midlothian, VA (US);
Kenneth F Podraza, Richmond, VA (US);
Jeffrey I Seeman, Richmond, VA (US);
Assignee:
Philip Morris Inc., New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24D / ;
U.S. Cl.
CPC ...
131365 ; 162-8 ; 162139 ;
Abstract
The invention relates to the use of co-crystalline magnesite/magnesium hydroxide compositions as fillers for smoking article wrappers. Smoking articles made with wrappers containing these compositions exhibit significantly reduced sidestream smoke and does not compromise subjective attributes.