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:
Apr. 10, 1990
Filed:
Apr. 20, 1988
Applicant:
Inventors:
Clifford M Kaufman, Asheville, NC (US);
Richard H Martin, Brevard, NC (US);
Assignee:
P. H. Glatfelter Company, Spring Grove, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24D / ;
U.S. Cl.
CPC ...
131365 ; 162139 ;
Abstract
A smoking article wrapper which when combined with a suitable tobacco column produces up to 75% less particulate sidestream smoke than do prior art cigarette paper wrappers and to methods of producing same. The paper conains freshly precipitated magnesium hydroxide filler precipitated by an equal or near equal stoichiometric addition rate process in the presence of the particulate magnesium hydroxide and/or calcium co-filler(s) and in the absence of the cellulosic pulp fibers.