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:
Sep. 21, 1993
Filed:
Jun. 05, 1992
Applicant:
Inventors:
Barry L Saintsing, Lexington, NC (US);
Thomas A Perfetti, Winston-Salem, NC (US);
Jerry W Redding, Lexington, NC (US);
Assignee:
R. J. Reynolds Tobacco Company, Winston-Salem, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24D / ;
U.S. Cl.
CPC ...
131335 ; 131342 ; 131343 ; 131344 ;
Abstract
A cigarette comprises a blend of tobacco materials and a filter element provided from a non-woven thermoplastic material. The non-woven material comprises polyester or polypropylene fibers. The non-woven material is in intimate contact with an acidic material (e.g., phosphoric acid) or a basic material (e.g., sodium hydroxide).
Quick Actions:
Saintsing, Barry. (1993). Cigarette and cigarette filter element therefor (U.S. Patent No. 5246017). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5246017
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile