| Patent Number |
Title Of Patent |
Date Issued |
| D317047 |
Building for an automotive service station or the like |
May 21, 1991 |
|
| D316903 |
Building for an automotive service station or the like |
May 14, 1991 |
|
| D314052 |
Convenience store |
January 22, 1991 |
|
| D313852 |
Automotive service station pump island |
January 15, 1991 |
|
| 5544974 |
System for underground storage and delivery of liquid product, and recovery of leakage |
August 13, 1996 |
| A system for the storage and dispensing of liquid product from an underground installation comprises a storage tank which bears on its top a containment chamber enclosing all fittings for apparatus which gasoline or other stored product will pass through under pressure. Attached to at |
| 5264117 |
Distillation of hydrocarbons |
November 23, 1993 |
| Where side stream distillate strippers are used in the distillation of hydrocarbons, the required size of the distillation column and the amount of stripping gas or vapor required are reduced by passing components stripped from the distillates through a plurality of strippers in series, |
| 5132472 |
Catalytic oxidation of alkanes |
July 21, 1992 |
| Process is provided for oxidation of organic compounds in which a reaction zone is provided, containing an open space and a bed of solid granular catalyst, an organic feedstock and oxygen are passed in gas phase through the open space and then into contact with the catalyst bed, and reac |
| 5120886 |
Decomposition of organic hydroperoxides |
June 9, 1992 |
| Hydroperoxides are decomposed by contact with metal ligand catalysts of coordination complexes in which hydrogen in the ligand molecule has been substituted with electron-withdrawing elements or groups, for example halogen or nitro or cyano groups. Preferred catalysts are iron perhal |
| 5120882 |
Nitrated metalloporphyrins as catalysts for alkane oxidation |
June 9, 1992 |
| Alkanes are oxidized by contact with oxygen-containing gas in the presence as catalyst of a metalloporphyrin in which hydrogen atoms in the porphyrin ring have been replaced with one or more nitro groups. Hydrogen atoms in the porphyrin ring may also be substituted with halogen atoms. |
| 5118886 |
Cyano- and polycyanometalloporphyrins as catalysts for alkane oxidation |
June 2, 1992 |
| Alkanes are oxidized by contact with oxygen-containing gas in the presence as catalyst of a metalloporphyrin in which hydrogen atoms in the porphyrin ring have been substituted with one or more cyano groups. Hydrogen atoms in the porphyrin ring may also be substituted with halogen atoms. |
| 5093491 |
Hydrocarbon oxidations catalyzed by azide-activated metal coordination complexes |
March 3, 1992 |
| Hydrocarbons, and particularly lower molecular weight alkanes and cycloalkanes, may readily be oxidized with air or O.sub.2 to form such products as alcohols, ketones, and the like selectively on high yields when there is employed as the catalyst a highly active azide-activated metal |
| 5091354 |
Alkane oxidation catalysts |
February 25, 1992 |
| Site-specific, framework substituted heteropolyacid or a polyoxoanion catalysts useful in alkane oxidation processes. |
| 5073664 |
Dimerization of alkanes with barium peroxide |
December 17, 1991 |
| Propane is dimerized to 2,3-dimethylbutane with barium peroxide oxidizer. |
| 5019671 |
Liquid phase isomerization of alkanes |
May 28, 1991 |
| A sulfated calcined solid catalyst which comprises (1) oxide or hydroxide of Group III or Group IV, e.g. zirconium, metal, (2) oxide or hydroxide of Group V, Group VI or Group VII, e.g. manganese or molybdenum, metal and (3) oxide or hydroxide of Group VIII, e.g. iron, or cobalt metal, i |
| 4970348 |
Chromium halogenated coordination complexes for the oxidation of butane to methylethylketone |
November 13, 1990 |
| Butane is selectively oxidized to methylethylketone with a chromium-halogenated ligand coordination complex catalyst. |
| 4956519 |
Catalyst for hydrocarbon conversion and conversion process utilizing the same |
September 11, 1990 |
| A sulfated calcined solid catalyst is provided which comprises (1) oxide or hydroxide of Group III or Group IV, e.g. zirconium, metal, (2) oxide or hydroxide of Group V, Group VI or Group VII, e.g. manganese, metal and (3) oxide or hydroxide of Group VIII, e.g. iron, metal. In one embodi |
| 4919816 |
Removal of acidic impurities in processes for solvent extraction of aromatics from nonaromatics |
April 24, 1990 |
| Corrosion of process equipment in a system for extraction of aromatic components from nonaromatic components by means of a selective solvent, for example tetraethylene glycol, is reduced by treating with anion exchange resin a stream composed mainly of water which has been used to wa |
| 4918249 |
Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes |
April 17, 1990 |
| Silicometallates containing iron in the structural framework are employed as catalysts for the oxidation of hydrocarbons or oxygenated hydrocarbons, for example the vapor phase oxidation of methane to methanol. |
| 4918041 |
Catalyst for hydrocarbon conversion and conversion process utilizing the same |
April 17, 1990 |
| A sulfated calcined solid catalyst is provided which comprises (1) oxide or hydroxide or Group III or Group IV, e.g. zirconium, metal, (2) oxide or hydroxide or Group V, Group VI or Group VII, e.g. manganese, metal and (3) oxide or hydroxide or Group VIII, e.g. iron, metal. In one embodi |
| 4916101 |
Method of preparing heteropolyacid catalysts |
April 10, 1990 |
| Polyoxoanions are converted to the corresponding heteropolyacids by conversion to their tetrabutylammonium salt followed by pyrolysis. |
| 4900871 |
Hydrocarbon oxidations catalyzed by iron coordination complexes containing a halogenated ligand |
February 13, 1990 |
| Hydrocarbons, and particularly lower molecular weight alkanes and cycloalkanes, may readily be oxidized with air or O.sub.2 to form such products as alcohols, ketones, and the like selectively high yields when there is employed as the catalyst a coordination complex containing an iro |
| 4898989 |
Alkane oxidation process |
February 6, 1990 |
| Alkanes are catalytically oxidized using site-specific framework substituted heteropolyacid or a polyoxoanion thereof. |
| 4895987 |
Phosphonite-and phosphonite-promoted ruthenium - cobalt catalysts for the dealkoxyhydroxymethyla |
January 23, 1990 |
| Ruthenium-cobalt- or cobalt-containing catalysts which have been promoted with phosphonites or phosphinites effectively catalyze the dealkoxyhydroxymethylation of aldehyde acetals to form glycol monoethers. Methylal, for example, may be reacted with syngas, i.e., CO and H.sub.2, in t |
| 4895818 |
Phosphonite-and phosphinite-promoted ruthenium - cobalt catalysts for the dealkoxyhydroxymethyla |
January 23, 1990 |
| Ruthenium cobalt- or cobalt-containing catalysts which have been promoted with phosphonites or phosphinites effectively catalyze the dealkoxyhydroxymethylation of aldehyde acetals to form glycol monoethers. Methylal, for example, may be reacted with syngas, i.e., CO and H.sub.2, in t |
| 4895680 |
Hydrocarbon oxidations catalyzed by nitride-activated metal coordination complexes |
January 23, 1990 |
| Hydrocarbon, and particularly lower molecular weight alkanes and cycloalkanes, may readily be oxidized with air or O.sub.2 to form such products as alcohols, ketones, and the like in high yields when there is employed as the catalyst a highly active nitride-activated metal coordinati |
| 4877920 |
Process for removing arsine impurities in process streams |
October 31, 1989 |
| A process for removing arsenic contaminants from a hydrocarbon fluid by contacting the fluid with copper oxide supported on activated carbon. |
| 4859798 |
Oxidation of alkanes |
August 22, 1989 |
| Alkanes are oxidized in the liquid phase at relatively low temperatures using heteropolyacids or polyoxoanions promoted with azide or certain metals. Such azide catalysts are also part of the invention. |
| 4855485 |
Process for production of cinnamates |
August 8, 1989 |
| In the process of preparing esters of cinnamic acid by reacting a styrene compound with carbon monoxide, oxygen, and an aliphatic alcohol in the presence of a catalyst, the improvement comprising using less than a stoichiometric amount of a dehydrating agent to increase the yield and |
| 4827023 |
Process for the selective formation of dialkyl succinates |
May 2, 1989 |
| The invention discloses an improvement to the selective production of dialkyl succinates by the known process of oxidative carbonylation of an olefin with carbon monoxide, oxygen, and an alkyl alochol in the presence of a catalyst wherein the improvement comprises using a sulfone as the |
| 4803187 |
Alkane oxidation catalysts |
February 7, 1989 |
| Heteropolyacids or polyoxoanions promoted with azide, such as K.sub.6 PW.sub.11 VO.sub.40 N.sub.3, useful in the liquid phase oxidation of alkanes. |
| 4775447 |
Process for the production of 2,2-dimethoxypropane |
October 4, 1988 |
| The process for the acid-catalyzed reaction of acetone with methanol to form 2,2-dimethoxypropane may be significantly improved if a stoichiometric ratio of methanol/acetone is employed in the initial reaction.Of particular advantage is the use of stoichiometric amounts of reactants |
| 4769161 |
Silicate-containing oil recovery compositions |
September 6, 1988 |
| There is provided herein a process and composition for the enhanced recovery of oil from subterranean formations comprising injecting in combination with steam a composition comprising (a) an anionic surfactant (b) a hydrotrope, and (c) an alkali metal silicate.In a further embodiment, t |
| 4743385 |
Oil recovery agent |
May 10, 1988 |
| There is provided herein a process and composition for the enhanced recovery of oil from subterranean formations comprising injecting in combination with steam a composition comprising (a) an anionic surfactant and (b) a hydrotrope. |
| 4737591 |
Catalyst and process for production of cinnamates |
April 12, 1988 |
| A method of preparing esters of cinnamic acid comprising catalytically reacting a styrene compound with carbon monoxide, oxygen, and an aliphatic alcohol. The catalyst is essentially a combination of a palladium (II) compound and a copper salt. A catalytic amount of a dehydrating agent m |
| 4732883 |
Catalytic oxidation of propylene to allyl acetate |
March 22, 1988 |
| Propylene is oxidized directly to allyl acetate in the presence of acetic acid air or oxygen in the liquid phase under moderate reaction conditions employing a palladium-on-carbon catalyst which has been pre-treated be activating it with propylene at temperatures of greater than about |
| 4699214 |
Salt-tolerant alkyl aryl sulfonate compositions for use in enhanced oil recovery processes |
October 13, 1987 |
| A process is provided for the enhanced recovery of oil with steam in reservoirs containing high concentrations of dissolved salts, wherein certain diaryl sulfonated surfactants are employed in conjunction with the steam which posses high tolerance for said salts. These surfactants are |
| 4692426 |
Phosphite-promoted ruthenium-cobalt catalysts for the dealkoxyhydroxymethylation of acetals to f |
September 8, 1987 |
| Ruthenium-cobalt carbonyl catalysts which have been promoted with an organophosphite effectively catalyze the dealkoxyhydroxymethylation of aldehyde acetals to form glycol monoethers. Methylal, for example, may be reacted with syngas, i.e., CO and H.sub.2, in the presence of this pho |
| 4682653 |
Steam recovery processes employing stable forms of alkylaromatic sulfonates |
July 28, 1987 |
| Alkylaromatic sulfonates, and particularly dialkylaromatic sulfonates, useful as surfactants in steam recovery methods for enhancing oil recovery from subterranean formations, have been found to comprise mixtures of meta- and para-isomers of the same obtained by alkylating alkylaromatics |
| 4663489 |
Ruthenium-cobalt carbonyl catalysts for the dealkoxyhydroxymethylation of acetals to form glycol |
May 5, 1987 |
| The cobalt carbonyl catalyst R.sup.5 CCo.sub.3 (CO).sub.9, desirably with Ru.sub.3 (CO).sub.12, wherein R.sup.5 is hydrogen; alkyl, preferably C.sub.1-5 lower alkyl; cycloalkyl or substituted cycloalkyl; cycloalkenyl, such as cyclohexenyl or cyclooctenyl; C.sub.1-12 alkoxy, such as metho |
| 4652542 |
Ruthenium-cobalt carbonyl catalysts for the dealkoxyhydroxymethylation of acetals to form glycol |
March 24, 1987 |
| The cobalt carbonyl catalyst R.sup.5 CCo.sub.3 (CO).sub.9, desirably with Ru.sub.3 (CO).sub.12, wherein R.sup.5 is hydrogen; alkyl, preferably C.sub.1-5 lower alkyl; cycloalkyl or substituted cycloalkyl; cycloalkenyl, such as cyclohexenyl or cyclooctenyl; C.sub.1-12 alkoxy, such as metho |
| 4652344 |
Preparation of 1,1-dimethoxycyclohexane |
March 24, 1987 |
| Dimethoxycyclohexane, prepared by reacting cyclohexanone with methanol, may be recovered from the product mixture in substantially pure form by first adding water as an azeotropic agent to said mixture to form an azeotrope with unreacted cyclohexanone, removing said azeotrope by distilla |
| 4620027 |
Catalyst and process for production of cinnamates |
October 28, 1986 |
| A method of preparing esters of cinnamic acid comprising catalytically reacting a styrene compound with carbon monoxide, oxygen, and an aliphatic alcohol. The catalyst is a combination of a palladium (II) compound, an alkali metal carboxylate and a copper salt. |
| 4618729 |
Ruthenium-cobalt carbonyl metal cluster catalysts for the dealkoxyhydroxymethylation of acetals |
October 21, 1986 |
| The ruthenium-cobalt carbonyl metal cluster catalyst Co.sub.2 Ru(CO).sub.11 effectively catalyzes the dealkoxyhydroxymethylation of aldehyde acetals to form glycol monoethers. Methylal, for example, may be reacted with syngas, i.e., CO and H.sub.2, in the presence of this ruthenium-cobal |
| 4617287 |
Ruthenium-cobalt carbonyl catalysts for the dealkoxyhydroxymethylation of aldehyde acetals to fo |
October 14, 1986 |
| Ruthenium carbonyl-cobalt carbonyl catalyst mixtures effectively catalyze the dealkoxyhydroxymethylation of aldehyde acetals, wherein said acetal may be prepared separately or in situ from an aldehyde and an alcohol. Methylal, for example, may be reacted with syngas, i.e., CO and H.sub.2 |
| 4613411 |
Process for the production and purification of diethoxymethane by azeotropic distillation |
September 23, 1986 |
| Diethoxymethane (ethylal), prepared by reacting formaldehyde with ethanol, may be recovered from the product mixture in substantially pure form by first distilling off an azeotrope comprising ethanol and diethoxymethane, adding a selected solvent to the azeotrope which will form an azeot |
| 4602104 |
Catalytic oxidation of propylene to allyl acetate |
July 22, 1986 |
| Propylene is oxidized directly to allyl acetate in the presence of acetic acid with air or oxygen in the liquid phase under moderate reaction conditions employing a palladium-on-carbon catalyst which has been pre-treated by activating it with propylene at temperatures of greater than |
| 4602103 |
Process for the oxidation of butenes to linear acetates |
July 22, 1986 |
| C.sub.4 olefins comprising cis- and trans-butane-2 and butene-1 may be oxidized to their corresponding mono- and diacetates in the presence of acetic acid and an olefin-activated palladium catalyst under mild conditions. With this catalyst, and depending in part upon the solvent empl |
| 4594148 |
Extraction of aromatics with ethyl acetoacetate |
June 10, 1986 |
| This invention relates to an energy efficient process for the solvent extraction of aromatic hydrocarbons from hydrocarbon streams containing the same, using as the solvent ethyl acetoacetate. This solvent may be recovered from the aromatics by cooling the aromatic/solvent mixture, w |
| 4575564 |
Catalyst and process for hydroformylation of olefins |
March 11, 1986 |
| Olefins are hydroformylated with syngas in the presence of a novel organo metallic complex catalyst to form the corresponding aldehydes at high reaction rates and improved selectivity of linear aldehydes over branched aldehydes.The novel catalyst comprises an organo metallic complex form |
| 4569755 |
Extraction of aromatics with N-cyclohexyl-2-pyrrolidone |
February 11, 1986 |
| This invention relates to a low energy process for the solvent extraction of aromatic hydrocarbons from hydrocarbon streams containing the same, using as the solvent N-cyclohexyl-2-pyrrolidone together with small amounts of water. This solvent may be recovered from the aromatics by c |
