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| Number | Title | Issue Date |
| 5538018 | Cigarette smoking products containing a vanillin-release additive This invention provides a cigarette product which releases vanillin or ethylvanillin aroma in sidestream smoke under cigarette smoking conditions. The paper wrapper of the cigarette product has a content of a flavorant-release additive which is a novel 3-... | 07/23/1996 |
| 5527517 | Liquid scrubbing of gas-phase contaminants 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 aqu... | 06/18/1996 |
| 5301693 | Smoking compositions containing an -alkylcinnamaldehyde-release additive This invention provides smoking compositions which contain a novel ଲ-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-ph... | 04/12/1994 |
| 5256785 | Smoking compositions containing an oxalate flavorant-release additive In one embodiment this invention provides smoking compositions which contain a novel oxalate ester flavorant-release additive. Under cigarette smoking conditions, a combustible filler additive such as methyl 2-pyrazinyl-2-propanyl oxalate or di(2-pyrazinyl-2-p... | 10/26/1993 |
| 5256163 | Flow liquid-phase chemical reaction process The present invention provides a flow liquid-phase chemical reaction system in which a high pressure reservoir unit holds a solvent solution which contains an organic reactant and a gas reactant. The quantity of gas reactant dissolved in the solvent solut... | 10/26/1993 |
| 5241105 | Oxalate esters In one embodiment this invention provides smoking compositions which contain a novel oxalate ester flavorantrelease additive. Under cigarette smoking conditions, a combustible filler additive such as methyl 4-oxo-ଲ-ionyl oxalate pyrolyzes and releases ... | 08/31/1993 |
| 5230802 | Extraction process using a novel organic acid as a liquid ion exchanger This invention provides novel organic acids which exhibit utility as liquid ion exchanges suitable for use in an invention solvent extraction process. Illustrative of an invention organic acid is a compound corresponding to the formula: ##STR1## ... | 07/27/1993 |
| 5228461 | Smoking compositions containing a vanillin-release additive 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... | 07/20/1993 |
| 5221502 | Process for making a flavorant-release filament In one embodiment this invention provides a cigarette product which contains a novel type of encapsulated flavorant-release filament. The flavorant is released under normal smoking conditions.... | 06/22/1993 |
| 5218118 | Smoking compositions containing a pyrazine-ethanol flavorant-release additive This invention provides smoking compositions which contain a novel flavorant-release additive. Under cigarette smoking conditions, a combustible filler and/or paper wrapper additive such as 2-(3-hexyl-2-hydroxy-4-phenyl-3-buten-1-yl)-3,5,6-trimethylpyrazi... | 06/08/1993 |
| 5217695 | Volumetric chemical reaction system This invention provides a multipurpose volumetric chemical reaction system which operates at constant pressure and volume, and has electronic automation means for calculating kinetic parameters and a concentration-time plot from the system data output. Th... | 06/08/1993 |
| 5206423 | Acyloxylation of alkylaromatic compounds with palladium-tin catalysts This invention provides process embodiments for acyloxylation of C1 -C4 alkylaromatic compounds to produce alpha-acyloxy C1 -C4 alkyl-substituted aromatic compounds, utilizing a palladium-tin catalyst which exhi... | 04/27/1993 |
| 5199450 | Smoking compositions containing a tartrate salt flavorant-release additive This invention provides smoking compositions which contain a novel tartrate salt flavorant-release additive, such as an acetal derivative corresponding to the formula: ##STR1## Under cigarette smoking conditions, a combustible filler and/or paper ... | 04/06/1993 |
| 5189006 | Palladium-tin catalysts for acyloxylation of alkylaromatic compounds This invention provides process embodiments for acyloxylation of C1 -C4 alkylaromatic compounds to produce alpha-acyloxy C1 -C4 alkyl-substituted aromatic compounds, utilizing a palladium-tin catalyst which exhi... | 02/23/1993 |
| 5174308 | Smoking compositions containing a pyrazineethanol flavorant-release additive This invention provides smoking compositions which contain a novel flavorant-release additive. Under cigarette smoking conditions, a combustible filler and/or paper wrapper additive such as 2-(3-hexyl-2-hydroxy-4-phenyl-3-buten-1-yl)--3,5,6-trimethylpyraz... | 12/29/1992 |
| 5172706 | Smoking compositions containing an oxalate flavorant-release additive In one embodiment this invention provides smoking compositions which contain a novel oxalate ester flavorant-release additive. Under cigarette smoking conditions, a combustible filler additive such as methyl 2-pyrazinyl-2-propanyl oxalate: ##STR1## p... | 12/22/1992 |
| 5172705 | Smoking compositions containing an oxalate flavorant-release additive In one embodiment this invention provides smoking compositions which contain a novel oxalate ester flavorant-release additive. Under cigarette smoking conditions, a combustible filler additive such as a methyl 4-oxo-ଲ-ionyl oxalate ##STR1## pyr... | 12/22/1992 |
| 5172704 | Smoking compositions containing a vanillin-release additive 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-hydrox... | 12/22/1992 |
| 5144965 | Smoking compositions containing a vanillin-release additive This invention provides smoking compositions which contain a vanillin carboxylate type flavorant-release additive. Under cigarette smoking conditions, a combustible filler and/or paper wrapper additive such as 5-carboxyethylvanillin pyrolyzes and releases ... | 09/08/1992 |
| 5144964 | Smoking compositions containing a flavorant-release additive This invention provides smoking compositions which contain a novel flavorant-release additive. Under cigarette smoking conditions, a combustible filler and/or paper wrapper additive such as a molecular inclusion complex of a ଲ-cyclodextrin derivativ... | 09/08/1992 |
| 5144966 | Filamentary flavorant-release additive for smoking compositions In one embodiment this invention provides a cigarette product which contains a novel type of encapsulated flavorant-release filament. The flavorant is released under normal smoking conditions.... | 09/08/1992 |
| 5137578 | Smoking compositions containing a flavorant-release saccharide additive This invention provides smoking compositions which contain a novel flavorant-release additive. Under cigarette smoking conditions, a combustible filler and/or paper wrapper additive such as 4'-formyl-2'-methoxyphenyl 4,6-O-cinnamylidene-ଲ-D-glucopyr... | 08/11/1992 |
| 4617612 | High efficiency task lighting fixture A task light fixture adapted for magnetic attachment to the underside of a shelf or cabinet above a work surface, the fixture having a reflector adapted to produce an asymmetric beam of light directed toward the work surface, the reflector being rotatable... | 10/14/1986 |
| 4574819 | Process for increasing the filling power of tobacco Cut tobacco is treated with a supersaturated aqueous solution of calcium citrate and excess moisture is removed. The result is a significant increase in the filling power of the cut tobacco.... | 03/11/1986 |
| 4481957 | Smoking compositions containing novel acylpyrazine flavorants In one of its embodiments the present invention provides a smoking composition which contains a novel type of bicyclic acylpyrazine flavorant additive as exemplified by 2-acetyl-5,6,7,8-tetrahydrocyclohexa[b]pyrazine: ##STR1##... | 11/13/1984 |
| 4481956 | Smoking compositions A non-volatile source of ketone to flavor tobacco smoke is provided by a ଲ-ketocarboxylic acid ester of a sugar or related compound. The ester is applied to the smoking material and remains in place until the burning coal releases the ketone.... | 11/13/1984 |
| 4479003 | Heterocyclic-hydroxy-substituted carboxylate esters This invention provides heterocyclic-hydroxy-substituted carboxylate esters which are useful as flavorant additives for smoking compositions. In one of its embodiments, this invention provides a heterocyclic-hydroxy-substituted alkanoate flavorant additive suc... | 10/23/1984 |
| 4474819 | Flavored foodstuffs This invention provides foodstuffs which contain a substituted-heterocyclic compound as a flavorant additive. In one of its embodiments this invention provides food compositions which contain a substituted-pyrazine flavorant additive such as 2,3-dihydroxy... | 10/02/1984 |
| 4470421 | Smoking compositions In one of its embodiments this invention provides a smoking composition which contains a novel type of flavorant additive as exemplified by polymerized ethyl 2-propenyl 2-(2-butyl)malonate: ##STR1##... | 09/11/1984 |
| 4364401 | Method for selective denitration of tobacco A process for selectively denitrating tobacco by electrodialysis to thereby reduce the delivery of various gas phase components, during combustion of tobacco products is disclosed. The process comprises forming an aqueous tobacco extract, separating the e... | 12/21/1982 |
| 4358731 | Apparatus and method for moisture measurement A practice for moisture measurement wherein a transmission means is utilized in conjunction with a circuit means connected in shunt with the transmission means and adapted to receive a material to be tested such that the driving point impedance of the cir... | 11/09/1982 |
