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Inventor:
Podraza; Kenneth F.
Address:
Richmond, VA
No. of patents:
20
Patents:












Patent Number Title Of Patent Date Issued
5979461 Smoking article wrapper having filler of hydromagnesite/magnesium hydroxide and smoking article November 9, 1999
Hydromagnesite-magnesium hydroxide compositions which, when used as fillers in smoking article wrappers, significantly reduce the amount of sidestream smoke produced by the burning smoking article while providing the smoking article with good subjective characteristics.
5927288 Hydromagnesite/magnesium hydroxide fillers for smoking article wrappers and methods for making s July 27, 1999
Hydromagnesite-magnesium hydroxide compositions are prepared which, when used as fillers in smoking article wrappers, significantly reduce the amount of sidestream smoke produced by the burning smoking article while providing the smoking article with good subjective characteristics.
5651917 Liquid scrubbing of gas-phase contaminants July 29, 1997
An acidic aqueous medium for contacting and purifying a gas-phase stream by oxidation of a contaminant contained therein. The medium comprises an aqueous medium which contains redox-effective quantities of (1) silver(I) oxidation catalyst, (2) hydrogen peroxide oxidant, (3) silver me
5527517 Liquid scrubbing of gas-phase contaminants June 18, 1996
A main aspect of this invention is the provision of a liquid medium for scrubbing contaminants from an environmental gas-phase. Toxic chemicals such as phosphine and arsine are removed from a gas-phase stream by contacting the gas-phase stream with an aqueous medium which oxidizes the
5301693 Smoking compositions containing an .alpha.-alkylcinnamaldehyde-release additive April 12, 1994
This invention provides smoking compositions which contain a novel .beta.-hydroxycarboxylate flavorant-release additive. Under cigarette smoking conditions, a combustible filler and/or paper wrapper additive such as calcium bis(2,2-diethyl-3-hydroxy-4-phenylmethylenedecanoate) pyroly
5228463 Magnesite/magnesium hydroxide fillers for smoking article wrappers July 20, 1993
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 a
5228461 Smoking compositions containing a vanillin-release additive July 20, 1993
This invention provides smoking compositions which contain a novel vanillin flavorant-release additive.A cigarette smoking product comprising (1) a combustible filler selected from natural tobacco, reconstituted tobacco and tobacco substitutes, and (2) a paper wrapper which has incorpora
5172704 Smoking compositions containing a vanillin-release additive December 22, 1992
This invention provides smoking compositions which contain a novel vanillin flavorant-release additive.Under cigarette smoking conditions, a combustible filler and/or paper wrapper additive such as ethyl 3-(4'-butoxycarbonyloxy-3'-methoxyphenyl)-3-hydroxy-2-phenylpropanoate pyrolyzes
5137035 Benzofuranone compounds, and production of smoking compositions containing a benzofuranone flavo August 11, 1992
This invention provides a process for the production of novel smoking compositions which contain a benzofuranone flavorant additive, and further provides novel benzofuranone compounds as illustrated by the cis 6-phenyl-3a, 4,5,7a-tetrahydro-2(3H)-benzofuranone: ##STR1## Under nor
5129954 Beta-hydroxyesters for use as vanillin-release additives in smoking compositions July 14, 1992
This invention provides novel .beta.-hydroxyesters which have utility as a flavorant-release additive in smoking compositions.Under cigarette smoking conditions, a combustible filler and/or paper wrapper additive such as ethyl 3-hydroxy-3-(4'-hydroxy-3'-methoxyphenyl)-2-phenylpropanoate
5120368 Vanillin 5-hydroxyesters and smoking compositions containing a vanillin-release additive June 9, 1992
This invention provides novel vanillyl 5-hydroxyesters, and smoking compositions which contain a vanillyl 5-hydroxyester as a flavorant-release additive.Under cigarette smoking conditions, a combustible filler and/or paper wrapper additive such as 4'-formyl-2'-methoxyphenyl 5-hydroxy
5114493 Smoking compositions containing a hexahydrobenzofuranone flavorant May 19, 1992
This invention provides smoking compositions which contains a 6-substituted hexahydrobenzofuranone flavorant additive.Under cigarette smoking conditions the flavorant additive enhances the aroma and flavor of the cigarette smoke.
5092306 Magnesite composition filler for smoking article wrapper March 3, 1992
An improved smoking article wrapper which significantly reduces sidestream smike using magnesium carbonate in the form of magnesite as a filler. Smoking articles which employ the wrappers exhibit a significant reduction in sidestream smoke without adverse effect on subjective characteris
4872918 Heterocyclic esters and smoking compositions containing a heterocyclic ester flavorant-release a October 10, 1989
This invention provides novel heterocyclic ester compounds. This invention further provides smoking compositions which contain an invention heterocyclic ester as a flavorant-release additive, as illustrated by the following structure: ##STR1## Under normal cigarette smoking condi
4690157 Smoking compositions containing a flavorant-release additive September 1, 1987
This invention provides smoking compositions which contain a novel hydroxylactone flavorant-release additive.Under cigarette smoking conditions, an additive such as 2-(1-hydroxy-1-phenylmethyl)-.gamma.-butyrolactone pyrolyzes into volatile benzaldehyde and .gamma.-butyrolactone constitue
4578486 Smoking compositions containing a dicarbonate ester flavorant-release additive March 25, 1986
A smoking tobacco composition having incorporated therein a dioxane compound as a flavorant-release additive which under normal smoking conditions imparts improved flavor to mainstream smoke and improved aroma to side-stream smoke.
4540004 Smoking compositions containing a flavorant-release additive September 10, 1985
This invention provides smoking compositions which contain a tetracarbonate ester compound as a flavorant additive.In one of its embodiments, this invention provides tobacco compositions which contain a tetracarbonate ester flavorant additive such as 2,5-bis(menthoxycarbonyloxymethylene)
4538628 Smoking compositions containing a dioxane diester flavorant-release additive September 3, 1985
This invention provides smoking compositions which contain a dioxane diester compound as a flavorant additive.In one of its embodiments, this invention provides tobacco compositions which contain a dioxane diester flavorant additive such as 2,5-bis(3-methylvaleryloxy)-1,4-dioxane: ##
4532944 Smoking compositions containing a dicarbonate ester flavorant-release additive August 6, 1985
This invention provides smoking compositions which contain a dicarbonate ester compound as a flavorant additive.In one of its embodiments, this invention provides tobacco compositions which contain a dicarbonate ester flavorant additive such as 2,5-bis(2-methoxyphenoxycarbonyloxy)-1,4-di
4509537 Smoking compositions April 9, 1985
This invention provides smoking compositions which contain a monocarbonate ester compound as a flavorant additive.In one of its embodiments, this invention provides tobacco compositions which contain a monocarbonate ester flavorant additive such as 1-phenoxycarbonyloxy-3-propanol. ##










 
 
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