| Patent Number |
Title Of Patent |
Date Issued |
| 7608743 |
Efficient and selective chemical recycling of carbon dioxide to methanol, dimethyl ether and der |
October 27, 2009 |
| An efficient and environmentally beneficial method of recycling and producing methanol from varied sources of carbon dioxide including flue gases of fossil fuel burning powerplants, industrial exhaust gases or the atmosphere itself. Converting carbon dioxide by chemical or electroche |
| 7605293 |
Efficient and selective conversion of carbon dioxide to methanol, dimethyl ether and derived pro |
October 20, 2009 |
| An environmentally beneficial method of producing methanol from varied sources of carbon dioxide including flue gases of fossil fuel burning powerplants, industrial exhaust gases or the atmosphere itself. Converting carbon dioxide by electrochemical reduction produces formic acid aci |
| 7459590 |
Method for producing methanol, dimethyl ether, derived synthetic hydrocarbons and their products |
December 2, 2008 |
| A method for producing methanol and dimethyl ether using the air as the sole source of materials is disclosed. The invention relates to a method for producing methanol by removing water from atmospheric air, obtaining hydrogen from the removed water, obtaining carbon dioxide from atm |
| 7445859 |
Organic fuel cell methods and apparatus |
November 4, 2008 |
| A liquid organic, fuel cell is provided which employs a solid electrolyte membrane. An organic fuel, such as a methanol/water mixture, is circulated past an anode of a cell while oxygen or air is circulated past a cathode of the cell. The cell solid electrolyte membrane is preferably |
| 7378561 |
Method for producing methanol, dimethyl ether, derived synthetic hydrocarbons and their products |
May 27, 2008 |
| A method for producing methanol and dimethyl ether using the air as the sole source of materials is disclosed. The invention relates to a method for separating the water (i.e., the moisture in the air) and carbon dioxide content of atmospheric air for their use in the subsequent prod |
| 7119232 |
Nucleophilic substitution reactions of difluorormethyl phenyl sulfone with alkyl halides leading |
October 10, 2006 |
| (Benzenesulfonyl)difluoromethyl anion, in situ generated from difluoromethyl phenyl sulfone and a base, was found to easily undergo nucleophilic substitution reactions (S.sub.N2) with primary alkyl halides, elemental halogens, and perfluoroalkyl halides with good selectivity. The for |
| 7087789 |
Methods for nucleophilic fluoromethylation |
August 8, 2006 |
| A novel, convenient and efficient method for trifluoromethylation of substrate compounds is disclosed. Particularly, alkoxide and hydroxide induced nucleophilic trifluoromethylation of carbonyl compounds, disulfides and other electrophiles, using phenyl trifluoromethyl sulfone PhSO.s |
| 7038099 |
Environmentally safe alkylation of aliphatic and aromatic hydrocarbons with olefins using solid |
May 2, 2006 |
| A method of alkylating aliphatic or aromatic hydrocarbons with olefins using solid hydrogen fluoride-equivalent catalysts is described. Preferred catalysts comprise solid polymeric onium polyhydrogen fluoride complexes. |
| 6872855 |
Method for expedient synthesis of [18F]-labeled .alpha.-trifluoromethyl ketones |
March 29, 2005 |
| The present invention is directed to a convenient method of synthesizing radiolabeled .alpha.-trifluoromethyl ketones by a fluorination reaction. The present invention also relates to imaging agents and markers for identifying cell proliferation, or viral infection. The markers and i |
| 6821659 |
Organic fuel cell methods and apparatus |
November 23, 2004 |
| A liquid organic, fuel cell is provided which employs a solid electrolyte membrane. An organic fuel, such as a methanol/water mixture, is circulated past an anode of a cell while oxygen or air is circulated past a cathode of the cell. The cell solid electrolyte membrane is preferably fab |
| 6803477 |
Magnesium mediated preparation of fluorinated alkyl silanes |
October 12, 2004 |
| An efficient method is disclosed for the preparation of trifluoromethyl- and difluoromethylsilanes using magnesium metal mediated reductive tri- and difluoromethylation of chlorosilanes with tri- and difluoromethyl sulfides, sulfoxides, and sulfones. One byproduct of the process is d |
| 6740434 |
Organic fuel cell methods and apparatus |
May 25, 2004 |
| A liquid organic, fuel cell is provided which employs a solid electrolyte membrane. An organic fuel, such as a methanol/water mixture, is circulated past an anode of a cell while oxygen or air is circulated past a cathode of the cell. The cell solid electrolyte membrane is preferably fab |
| 6677269 |
Environmentally safe alkylation of aliphatic and aromatic hydrocarbons with olefins using solid |
January 13, 2004 |
| Solid polymeric onium poly(hydrogen fluoride) complexes disclosed herein can be used for alkylating aliphatic or aromatic hydrocarbons with olefins. These solid polymeric complexes can be formed by a process of contacting a source of hydrogen fluoride with a homopolymer or copolymer |
| 6444343 |
Polymer electrolyte membranes for use in fuel cells |
September 3, 2002 |
| A polymer electrolyte membrane composed of polystyrene sulfonic acid (PSSA) crosslinked within a poly(vinylidene fluoride) (PVDF) matrix is provided. This membrane exhibits low methanol crossover which translates to higher fuel and fuel cell efficiencies. A fuel cell comprising a PSSA-PV |
| 6248460 |
Organic fuel cell methods and apparatus |
June 19, 2001 |
| A liquid organic fuel cell is provided which employs a solid electrolyte membrane. An organic fuel, such as a methanol/water mixture, is circulated past an anode of a cell while oxygen or air is circulated past a cathode of the cell. The cell solid electrolyte membrane is preferably fabr |
| 6018088 |
Superacid catalyzed formylation-rearrangement of saturated hydrocarbons |
January 25, 2000 |
| A method is disclosed for producing branched aliphatic ketones in hydrocarbon mixtures from isoalkanes by a superacid catalyzed formylation-rearrangement reaction. The method can be used to simultaneously isomerize, if necessary, and formylate hydrocarbons in complex hydrocarbon mixt |
| 5928806 |
Recycling of carbon dioxide into methyl alcohol and related oxygenates for hydrocarbons |
July 27, 1999 |
| A regenerative electrochemical cell system based on a fuel cell to oxidize methyl alcohol or other oxygenated hydrocarbons coupled with a regenerative cell to reduce carbon dioxide to form oxygenated hydrocarbons is disclosed. Methods to reversibly interconvert oxygenated hydrocarbons |
| 5922635 |
Nanoscale solid superacid catalysts with pendant fluoroalkylsulfonic acid or fluoro, perfluoroal |
July 13, 1999 |
| A solid superacid catalyst composition of a carrier material having a particle size of between 0.5 and 5000 nm and at least one pendant fluoroalkylsulfonic acid or fluoro, perfluoroalkylsulfonic acid group attached thereto. Also, methods for making this catalysts by attaching pendant |
| 5599638 |
Aqueous liquid feed organic fuel cell using solid polymer electrolyte membrane |
February 4, 1997 |
| A liquid organic fuel cell is provided which employs a solid electrolyte membrane. An organic fuel, such as a methanol/water mixture, is circulated past an anode of a cell while oxygen or air is circulated past a cathode of the cell. The cell solid electrolyte membrane is preferably fabr |
| 5520710 |
Cleaner burning and cetane enhancing diesel fuel supplements |
May 28, 1996 |
| Symmetrical or unsymmetrical dialkyl and dicycloalkyl ethers, or alkyl-cycloalkyl (polycycloalkyl) ethers containing a total of 2 to 24 carbon atoms in which the oxygen atom is attached to primary or secondary, but not to tertiary carbon atoms are cleaner burning and cetane enhancing |
| 5290428 |
Superacid catalyzed hydrocracking of heavy oils and bitumens |
March 1, 1994 |
| A process is provided for hydrocracking a heavy oil bitumen and chemically related feedstock. The process comprises reacting said feedstock with a gaseous superacid in the presence of hydrogen with or without the use of a hydrogen transfer agent to thereby yield lower boiling point disti |
| 5110778 |
Boron aluminum and gallium perfluoro alkanesulfonate and resinsulfonate catalysts |
May 5, 1992 |
| Boron, aluminum and gallium C.sub.1 -C.sub.18 perfluoroalkane-sulfonates (CF.sub.3 (CF.sub.2).sub.n SO.sub.3).sub.3 M (M=B, A1, Ga; n=0-17) as well as perfluororesin sulfonates such as Nafionates are new, highly effective Friedel-Crafts catalysts. In contrast to volatile aluminum and bor |
| 5073674 |
Environmentally safe catalytic alkyation using liquid onium poly (hydrogen fluorides) |
December 17, 1991 |
| A process for alkylating an aliphatic hydrocarbon having isobutane with an alkenyl hydrocarbon with isobutylene in the presence of a liquid onium polyhydrogen fluoride complex as the reaction medium and catalyst at a temperature between -20.degree. and 70.degree. and pressure between |
| 4861923 |
Hydration of propylene to isopropyl alcohol over solid superacidic perfluorinated sulfonic acid |
August 29, 1989 |
| A process for the hydration of lower olefins to a corresponding alcohol by reacting the olefins with water in the presence of a solid perfluorinated sulfonic superacid catalyst. |
| 4814544 |
Isomerization of butane |
March 21, 1989 |
| Normal butane is isomerized to isobutane by means of a catalyst composition consisting essentially of 95 to 99 weight percent fluorosulfuric acid and 1 to 5 weight percent of a protic co-acid selected from the group consisting of hydrogen fluoride, sulfuric acid, trifluoromethanesulfonic |
| 4737594 |
Process for the manufacture of vinyl chloride |
April 12, 1988 |
| A process for the manufacture of vinyl chloride by the condensation of methyl chloride, obtained from methane or from methanol, followed by an oxychlorination of the condensation products and then by a dehydrochlorination.The condensation of methyl chloride preferably takes place in the |
| 4721559 |
Boron, aluminum and gallium perfluoro alkanesulfonate and resinsulfonate catalysts |
January 26, 1988 |
| Boron, aluminum and gallium C.sub.1 -C.sub.18 perfluoroalkanesulfonates (CF.sub.3 (CF.sub.2).sub.n SO.sub.3).sub.3 M (M=B, A1, Ga; n=0-17) as well as perfluororesin sulfonates such as Nafionates are new, highly effective Friedel-Crafts catalysts. In contrast to volatile aluminum and boro |
| 4613723 |
Process for effecting hydrocarbon isomerization or alkylation |
September 23, 1986 |
| The present invention relates to supported superacidic catalysts comprising C.sub.4 -C.sub.18, preferentially C.sub.6 to C.sub.12, perfluorinated alkanesulfonic acid absorbed on suitable supports, such as fluoridated alumina, alumina silica and other chalcides having bonded thereto s |
| 4547606 |
Selective isomerization of di-isopropyl benzene to meta-di-isopropyl benzene |
October 15, 1985 |
| Resorcinol is prepared in high yield and purity by an improved process through superacid (such as perfluorinated alkanesulfonic acids of one to eighteen carbon atoms or polymeric perfluorinated resinsulfonic acids, such as acidified Nafion-H, catalyzed cleavage rearrangement reaction of |
| 4547604 |
Selective isopropylation of cumene to meta-diisopropylbenzene |
October 15, 1985 |
| Resorcinol is prepared in high yield and purity by an improved process through superacid (such as perfluorinated alkanesulfonic acids of one to eighteen carbon atoms or polymeric perfluorinated resinsulfonic acids, such as acidified Nafion-H, catalyzed cleavage rearrangement reaction of |
| 4547474 |
Supported superacidic catalysts based on C.sub.10 to C.sub.18 perfluorinated alkanesulfonic acid |
October 15, 1985 |
| The present invention relates to supported superacidic catalysts comprising C.sub.4 -C.sub.18, preferentially C.sub.6 to C.sub.12, perfluorinated alkanesulfonic acid absorbed on suitable supports, such as fluorinated alumina, alumina silica and other chalcides having bonded thereto s |
| 4523040 |
Methyl halides and methyl alcohol from methane |
June 11, 1985 |
| This invention relates to solid acidic or metal catalyst-promoted halogenation of methane to produce methyl monohalides in high selectivity. Concurrent or simultaneous hydrolysis provides methyl alcohol and/or dimethyl ether in good yields. |
| 4513164 |
Condensation of natural gas or methane into gasoline range hydrocarbons |
April 23, 1985 |
| This invention relates to a new process for the direct conversion of natural gas or methane into gasoline-range hydrocarbons (i.e., synthetic transportation fuels or lower olefins) via catalytic condensation using superacid catalysts. |
| 4508618 |
Increasing the octane number of natural gasoline with trifluoromethanesulfonic acid |
April 2, 1985 |
| Natural gasoline of low octane value derived from natural gas is upgraded to higher octane value by means of catalyst consisting essentially of trifluoromethanesulfonic acid at temperatures between about 80.degree. C. and about 120.degree. C., and preferably between about 100.degree. C. |
| 4503263 |
Process for the preparation of octane boosting branched aliphatic ethers using solid superacid c |
March 5, 1985 |
| The invention concerns a process for the preparation of aliphatic ethers by reacting the corresponding alcohol and/or olefin over a superacid catalyst. |
| 4472268 |
Upgrading of natural gasoline with trifluoromethane sulfonic acid, hydrofluoric acid and Lewis a |
September 18, 1984 |
| Natural gasoline of low octane value derived from natural gas is upgraded to higher octane value by means of a liquid ternary catalyst comprising trifluoromethanesulfonic acid and hydrogen fluoride in conjunction with a Lewis acid of the formula MX.sub.n wherein M is selected from Group |
| 4467130 |
Condensation of natural gas or methane into gasoline-range hydrocarbons |
August 21, 1984 |
| This invention relates to a new process for the direct conversion of natural gas or methane into gasoline-range hydrocarbons (i.e., synthetic transportation fuels or lower olefins) via catalytic condensation using superacid catalysts. |
| 4465893 |
Oxidative condensation of natural gas or methane into gasoline range hydrocarbons |
August 14, 1984 |
| This invention relates to a new process for the direct conversion of natural gas or methane into gasoline range hydrocarbons (i.e., synthetic transportation fuels or lower olefins) via catalytic condensation using superacid catalysts. |
| 4433192 |
Condensation of natural gas or methane into gasoline range hydrocarbons |
February 21, 1984 |
| This invention relates to a new process for the direct conversion of natural gas or methane into gasoline-range hydrocarbons (i.e., synthetic transportation fuels or lower olefins) via catalytic condensation using superacid catalysts. |
| 4424382 |
Superacid catalyzed preparation of resorcinol from meta-isopropylepheol |
January 3, 1984 |
| Resorcinol is prepared by an improved process through superacid (such as perfluorinated alkanesulfonic superacids of one to eighteen carbon atoms or polymeric perfluorinated resinsulfonic acids, such as Nafion-H) catalyzed cleavage-rearrangement reaction of meta-isopropylphenol hydro |
| 4423254 |
Superacid catalyzed preparation of resorcinol from meta-isopropylphenol |
December 27, 1983 |
| Resorcinol is prepared by an improved process through superacid (such as perfluorinated alkanesulfonic superacids of one to eighteen carbon atoms or polymeric perfluorinated resinsulfonic acids, such as Nafion-H catalyzed cleavage-rearrangement reaction of meta-isopropylphenol hydrop |
| 4419528 |
Regioselective preparation of .alpha.- or .beta.-naphthol |
December 6, 1983 |
| A process for the selective preparation of .alpha.- or .beta.-naphthol, respectively, by acid (Lewis or Bronsted, or superacidic mixtures thereof) catalyzed hydroxylation of naphthalene with hydrogen peroxide. Conventional (non-superacidic) acid systems, such as hydrogen fluoride, py |
| 4394247 |
Liquefaction of coals using recyclable superacid catalyst |
July 19, 1983 |
| This invention discloses a process for the liquefaction of coals and other predominantly hydrocarbonaceous materials by treating the same with a superacidic catalyst system consisting of anhydrous hydrogen fluoride and boron trifluoride in the presence of super-atmospheric hydrogen. |
| 4373109 |
Bifunctional acid-base catalyzed conversion of hetero-substituted methanes into olefins |
February 8, 1983 |
| This invention discloses a process for converting heterosubstituted methanes, such as methyl alcohol, methyl ether, methyl mercaptan, dimethyl sulfide, methyl halides, methylal, methylamine and the like, by contacting such methanes with bifunctional acid-base catalysts at elevated te |
| 4339614 |
Superacid catalyzed preparation of resorcinol from meta-isopropylphenol |
July 13, 1982 |
| Resorcinol is prepared by an improved process through superacid (such as perfluorinated alkanesulfonic acids of one to eighteen carbon atoms or polymeric perfluorinated resinsulfonic acids, such as Nafion-H catalyzed cleavage-rearrangement reaction of meta-isopropylphenol hydroperoxide i |
| 4339613 |
Superacid catalyzed preparation of resorcinol from meta-diisopropylbenzene |
July 13, 1982 |
| Resorcinol is prepared in high yield and purity by an improved process through superacid (such as perfluorinated alkanesulfonic acids of one to eighteen carbon atoms or polymeric perfluorinated resinsulfonic acids, such as acidified Nafion-H, catalyzed cleavage-rearrangement reaction of |
| 4288646 |
Regioselective preparation of .beta.-isopropylnaphthalene over superacidic solid or supported pe |
September 8, 1981 |
| A process for the production of .beta.-isopropylnaphthalene in high regioselectivity (90-98%) by alkylation of naphthalene over solid or supported superacid catalysts, such as a perfluorinated alkanesulfonic acid of four to eighteen carbon atoms (C.sub.4 F.sub.9 SO.sub.3 H to C.sub.1 |
