Matches 201 - 250 out of 306 < 1 2 3 4 5 6 7 >
Match Document Document Title
3637429 IMPREGNATED CELLULOSIC SHEET MEMBERS WHEREIN IMPREGNANT IS A C -C CARBOCYCLIC SUBSTITUTED RESOLE  
Cellulosic substrates impregnated with a phenol-formaldehyde resin using a phenol which has been previously substituted with a specific C 8 through C 13 mixture of carbocylic compounds. The...
3637430 CELLULOSIC SUBSTRATES IMPREGNATED WITH A CYCLOPENTADIENE DIMER SUBSTITUTED RESOLE  
Cellulosic substrates impregnated with a phenol-formaldehyde resin using a phenol which has been previously substituted with a specific mixture of cyclopentadiene codimers. The resulting...
3636957 CIGAR SMOKE FILTER AND METHOD FOR IMPROVING THE QUALITY OF CIGAR SMOKE  
Improving the taste and flavor of cigar smoke which involves using a filter employing an activated carbon filter material having a high-adsorptive capacity for the volatile organic components of...
3602233 SMOKING DEVICE INCORPORATING MICROPOROUS GLASS PARTICLE FILTER  
A tobacco smoke filter medium of microporous glass. A suitable microporous glass is an acid-leached, phase-separated, borosilicate glass, especially alkali borate silicate glass. The porous glass...
3560697 ADDING SPARK-COMMINUTED ZINC TO TOBACCO-SMOKE FILTERS  
The invention concerns a method and apparatus for improving the filtration properties of fibrous, filamentary and sheet tobacco smoke filtering material. The method consists in treating the said...
3545456 CIGARETTE FILTERS CONTAINING SELECTIVE ADSORBENTS  
3524450 SMOKERS' ARTICLES  
3516419 CIGARETTE FILTER ELEMENT  
3515151 CIGARETTE WITH FILTER  
3513640 TREATMENT OF PUMICE FOR USE IN FILTERING OUT OBNOXIOUS CONTENTS OF COMBUSTION GASES  
3512538 CIGARETTE STRUCTURE,WRAPPER AND METHOD  
3498299 FILTRATION OF TOBACCO SMOKE  
3489827 PROCESS FOR THE MANUFACTURE OF AEROSOL FILTERS  
3477865 ALUMINA TRIHYDRATE-FIBROUS MATRIX COMPOSITION AND METHOD OF FORMING SAME  
3472835 SCHARDINGER DEXTRINS  
3464423 TOBACCO SMOKE FILTER  
3461880 FILTER CIGARETTE  
3455308 CIGARETTE  
3438381 FILTER FOR TOBACCO PRODUCTS  
3429318 SELECTIVE FILTER MEDIUM  
3428054 FILTER  
3428551 PROCESS OF PREPARING A FILTER MEDIUM FROM MOSS AND ITS USE  
3426011 CYCLODEXTRINS WITH ANIONIC PROPERTIES  
3415252 Cigarette improvement  
3412737 Smoke filter  
3403689 Paper filter of selective removal of a cigarette smoke vapor  
3400722 Foamed whipped smoke filter  
3397701 Smoke cooling cigar and tip assembly  
3395713 Filtering arrangement for smoking articles  
3391699 Tipped cigarettes  
3390687 Tobacco smoke filter for cigarettes, cigars, pipes and the like  
3375920 Filter material  
3368566 Filter cigarette  
3366521 Method for the production of cellulose acetate cigarette filter tips  
3330285 Filtering material and process  
3327718 Tobacco-smoke filters  
3318317 Activated carbon smoke filter  
3313665 Method for making fibrous bodies  
3294096 Cigarette filter  
3266973 Method of preparing adsorbent filter paper containing crystalline zeolite particles, and paper thereof  
3255760 Tobacco product which produces less tars  
3255761 Filter for tobacco smoke  
3250280 Smoking apparatus  
3225390 Method of producing filter plugs  
3219040 Smoking device  
3219041 Article for smoking  
3199515 Apparatus for making smoking articles  
3180911 Method of making cigarette filter plugs of fibrous material containing thermoplastic fibers  
3137303 Filter tip  
3133545 Cigarette extender  
Matches 201 - 250 out of 306 < 1 2 3 4 5 6 7 >