A24F 1/20

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2011/0240,045 ENVIRONMENTALLY DEGRADABLE CIGARETTE FILTERMar 30, 10Oct 06, 11CELANESE ACETATE LLC
2011/0088,704 ENHANCED SUBJECTIVE ACTIVATED CARBON CIGARETTEOct 15, 09Apr 21, 11Philip Morris USA Inc.
2011/0083,675 SMOKING ARTICLE WITH VALVED RESTRICTOROct 09, 09Apr 14, 11Philip Morris USA Inc.
2011/0083,676 COATED IMPREGNATED POROUS FILTER PLUGOct 09, 09Apr 14, 11Philip Morris USA Inc.
2011/0005,534 REDUCED RISK TOBACCO PRODUCTS AND USE THEREOFFeb 24, 10Jan 13, 11VECTOR TOBACCO INC.
2010/0263,682 Filter and Method for Making a Filter for a CigaretteApr 10, 08Oct 21, 10BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED
2010/0242,977 CIGARETTE FILTER AND FILTER-TIPPED CIGARETTEJun 11, 10Sep 30, 10JAPAN TOBACCO INC.
2010/0206,318 FILTER FOR A TOBACCO PRODUCTMay 16, 08Aug 19, 10BIOHIT OYJ
2010/0206,317 REDUCED RISK TOBACCO PRODUCTS AND USE THEREOFFeb 24, 10Aug 19, 10VECTOR TOBACCO INC.
2010/0186,759 CIGARETTE FILTERJul 09, 07Jul 29, 10Not available
2010/0175,703 CONTINUOUS PROCESS FOR IMPREGNATING SOLID ADSORBENT PARTICLES INTO SHAPED MIRCO-CAVITY FIBERSMar 22, 10Jul 15, 10Philip Morris USA Inc.
2009/0025,736 METHOD AND DEVICE FOR MAKING TOBACCO SMOKE FILTERSApr 17, 07Jan 29, 09FILLIGENT LIMITED
2008/0149,120 Cigarette filter incorporating nanofibersAug 20, 07Jun 26, 08Not available
2008/0060,664 Device For Filtering Second-Hand SmokeSep 08, 06Mar 13, 08Not available
2007/0012,327 Cigarettes and filter subassemblies with squeezable flavor capsule and methods of manufactureMay 02, 06Jan 18, 07Philip Morris USA Inc.
2006/0289,022 Tobacco smoke filterSep 03, 04Dec 28, 06RESYS AB
2006/0260,626 Activated carbons with molecular sieve membranes and their use as adsorbents in smoking articlesDec 20, 05Nov 23, 06Philip Morris USA Inc.
2006/0231,113 Thermally insulative smoking article filter componentsApr 13, 05Oct 19, 06Philip Morris USA Inc.
2006/0201,524 Cigarettes and cigarette filters including activated carbon for removing nitric oxideDec 19, 05Sep 14, 06Philip Morris USA Inc.
2006/0191,545 Filter for articles of the tobacco-processing industryFeb 24, 06Aug 31, 06HAUNI MASCHINENBAU AG

Showing 1 to 20 of 37 results