Plural Oxygens Bonded Directly To The Same Monocyclic Benzene Ring Patents (Class 44/442)
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Patent number: 11759765Abstract: A method of making a composite material for dehydration of gases includes the steps of grinding date palm wood fibers to produce a fiber powder, immersing the fiber powder in an alkali solution, filtering fiber powder from the alkali solution to obtain treated fiber powder, drying the treated fiber powder, mixing the dried treated fiber powder with melted polylactic acid to form a composite material, extruding the composite material, and molding and pressing the extruded composite material. The resultant composite material may then be used to dehydrate gas by contacting the gas with the composite material such that water from the gas is adsorbed onto the surface of the composite material.Type: GrantFiled: March 9, 2023Date of Patent: September 19, 2023Assignee: UNITED ARAB EMIRATES UNIVERSITYInventors: Basim Abu-Jdayil, Hyder Al Abdallah
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Patent number: 11629113Abstract: A one pot synthesis of a mixed macrocycle of resorcinol and pyrogallol is disclosed using an acidic catalyst by conventional as well as by microwave assisted methods. Compared with traditional synthesis, the microwave mediated tactic provides a simple, greener route and affords higher compound yields in a shorter period. Moreover, the catalyst can be efficiently reused without any loss in activity.Type: GrantFiled: November 1, 2021Date of Patent: April 18, 2023Assignee: University of CincinnatiInventor: Harshita Kumari
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Patent number: 8821596Abstract: The present invention provides a nitrogen-free fuel detergent additive, fuel additive and fuel compositions containing the same, as well as a process for making such additives, where the additive may be described as a hydrocarbyl-substituted alkyloxy and/or hydroxy aromatic compound and may be produced by the reaction of (i) an alkyloxy and/or hydroxy aromatic compound and (ii) a polyolefin containing from 4 to 350 carbon atoms, in the presence of an optional solvent and/or catalyst, wherein the resulting nitrogen free additive provides acceptable engine deposit control that is comparable and/or better than the deposit control provided by nitrogen-containing fuel additives.Type: GrantFiled: December 17, 2010Date of Patent: September 2, 2014Assignee: The Lubrizol CorporationInventors: Paul R. Stevenson, David J. Moreton, William R. S. Barton, David C. Arters, Jeffry G. Dietz
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Publication number: 20140033605Abstract: The present invention describes a composition comprising at least one antioxidant and at least one ethylene vinyl acetate copolymer comprising units being derived from at least one alkyl (meth)acrylate having 1 to 30 carbon atoms in the alkyl residue. The composition is useful as cold flow improver and oxidation stabilizer in fossil fuel oil and or biodiesel fuel oil.Type: ApplicationFiled: February 24, 2012Publication date: February 6, 2014Applicant: Evonik Oil Additives GmbHInventors: Ronny Sondjaja, Jane Benito, Gwen Teh, Frank-Olaf Mähling
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Publication number: 20120318225Abstract: The present invention provides a nitrogen-free fuel detergent additive, fuel additive and fuel compositions containing the same, as well as a process for making such additives, where the additive may be described as a hydrocarbyl-substituted alkyloxy and/or hydroxy aromatic compound and may be produced by the reaction of (i) an alkyloxy and/or hydroxy aromatic compound and (ii) a polyolefin containing from 4 to 350 carbon atoms, in the presence of an optional solvent and/or catalyst, wherein the resulting nitrogen free additive provides acceptable engine deposit control that is comparable and/or better than the deposit control provided by nitrogen-containing fuel additives.Type: ApplicationFiled: December 17, 2010Publication date: December 20, 2012Applicant: THE LUBRIZOL CORPORATIONInventors: Paul R. Stevenson, David J. Moreton, William R.S. Barton, David C. Arters, Jeffry G. Dietz
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Patent number: 8282692Abstract: The present invention relates to a biofuel composition comprising distilled technical cashew nut shell liquid (DT-CNSL) and atleast one petroleum product optionally alongwith plant oils and fuel additive(s). It also relates to a process for preparation of biofuel composition and a method of fueling biofuel composition.Type: GrantFiled: June 26, 2008Date of Patent: October 9, 2012Assignee: Bigtec Private LimitedInventors: Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao, Phanikumar Pullela, Gopalkrishna Mangalore Kini
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Patent number: 8252704Abstract: This disclosure relates to compositions that include (a) at least one substituted or unsubstituted cyclic alkene, and (b) an antioxidant composition including at least one compound of Formula (I): R1 through R4 in Formula (I) are described in the specification.Type: GrantFiled: July 11, 2011Date of Patent: August 28, 2012Assignee: Fujifilm Electronic Materials U.S.A., Inc.Inventors: Daniel J. Teff, John L. Chagolla
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Patent number: 7985350Abstract: This disclosure relates to compositions that include (a) at least one substituted or unsubstituted cyclic alkene, and (b) an antioxidant composition including at least one compound of Formula (I): R1 through R4 in Formula (I) are described in the specification.Type: GrantFiled: December 21, 2010Date of Patent: July 26, 2011Assignee: Fujifilm Electronic Materials U.S.A., Inc.Inventors: Daniel J. Teff, John L. Chagolla
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Patent number: 7931823Abstract: A stabilized cyclic alkene composition comprising one or more cyclic alkenes, and at least one antioxidant compound having the formula (I), wherein R1 through R5 can each independently be H, OH, C1-C8 linear, branched, or cyclic alkyl, C1-C8 linear, branched, or cyclic alkoxy or substituted or unsubstituted aryl, and wherein the antioxidant compound is present in an amount between 1 ppm and 200 ppm and has a boiling point lower than 265° C. A method for forming a layer of carbon-doped silicon oxide on a substrate, which uses the stabilized alkene composition and a silicon containing compound.Type: GrantFiled: September 12, 2006Date of Patent: April 26, 2011Assignee: Fujifilm Electronic Materials U.S.A., Inc.Inventors: Daniel J. Teff, John L. Chagolla
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Patent number: 7883639Abstract: A stabilized cyclic alkene composition comprising one or more cyclic alkenes, and at least one antioxidant compound having the formula (I), wherein R1 through R5 can each independently be H, OH, C1-C8 linear, branched, or cyclic alkyl, C1-C8 linear, branched, or cyclic alkoxy or substituted or unsubstituted aryl, and wherein the antioxidant compound is present in an amount between 1 ppm and 200 ppm, and wherein said composition is purged with at least one inert gas after said composition is introduced to a container intended for storage or shipping of said composition. A method for forming a layer of carbon-doped silicon oxide on a substrate, which uses the stabilized alkene composition and a silicon containing compound.Type: GrantFiled: September 12, 2006Date of Patent: February 8, 2011Assignee: Fujifilm Electronic Materials, U.S.A., Inc.Inventors: Daniel J. Teff, John L. Chagolla
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Patent number: 7871536Abstract: This disclosure relates to compositions that includes (a) one or more substituted or unsubstituted cyclic alkenes, and (b) an antioxidant composition including at least one compound of Formula (I): R1 through R4 in Formula (I) are described in the specification.Type: GrantFiled: July 7, 2009Date of Patent: January 18, 2011Assignee: Fujifilm Electronic Materials U.S.A., Inc.Inventors: Daniel J. Teff, John L. Chagolla
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Patent number: 7799101Abstract: A stabilized lubricant composition is disclosed that comprises lubricating oil and a mixture of (a) at least one organophosphite compound and (b) at least one aromatic secondary amine or one substituted phenol or mixtures thereof. The compositions have been found to be highly resistant to oxidation under demanding service conditions.Type: GrantFiled: September 29, 2004Date of Patent: September 21, 2010Assignee: Chemtura CorporationInventors: Jun Dong, Cyril A. Migdal
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Publication number: 20100107485Abstract: A carbon dioxide adsorber for use at combustion of fossil fuel, comprising a compressed dry powder of plant fiber. Further, there is provided a fossil fuel characterized in that such a compressed dry powder of plant fiber is contained. The application of a carbon dioxide adsorber for use at combustion of fossil fuel, comprising a compressed dry powder of plant fiber is disclosed.Type: ApplicationFiled: January 31, 2005Publication date: May 6, 2010Inventors: Ichiro Sugimoto, Keiichi Sugimoto, Mieko Sugimoto, Takako Sugimoto, Chieko Sugimoto
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Patent number: 7435273Abstract: Alkoxylated alkylphenols which have at least one long-chain alkyl radical having at least one tertiary or quaternary carbon atom are prepared and are used as fuel or lubricant additives in fuel and lubricant compositions.Type: GrantFiled: January 22, 2002Date of Patent: October 14, 2008Assignee: Basf AktiengesellschaftInventors: Arno Lange, Hans Peter Rath, Marc Walter
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Publication number: 20080110083Abstract: Fuel compositions containing fuels and glycerol are disclosed. The addition of glycerol increases the combustion value of the fuels, and enables combustion to take place more uniformly and with less slag formation. The use of glycerol for improving the combustion value and combustion efficiency of liquid or solid fuels is thus also disclosed.Type: ApplicationFiled: October 12, 2007Publication date: May 15, 2008Inventors: Martin Baehr, Alfred Westfechtel, Klaus Nottinger, Andreas Meinz
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Publication number: 20070289203Abstract: A synergistic combination antioxidant mixture that provides excellent characteristics for biodiesel fuel compositions, when incorporated therein.Type: ApplicationFiled: June 14, 2006Publication date: December 20, 2007Inventors: Frank J. Deblase, Brian E. Fox, Cyril A. Migdal
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Patent number: 6379404Abstract: This invention provides an additive used in the water/oil mixture to form an emulsified water/oil mixture suitable as a fuel source. The additive comprises a nonionic surfactant selected from the group of chemicals consisting of 55-65% of phenyl ethyl phenyl polyethyleneoxide and at least one ionic surfactants selected from the group of chemicals consisting of 18-30% of metaldehyde, 3-5% of peroxybenzoic acid and 4-12% of 1,4-dihydroxybenzene by weight of said additive. The additive enables the emulsified water/oil mixture to accommodate allowable water ratios from about 15% up to about 50% to achieve a fuel reduction rate of about 15-30% as compared to a conventional fuel source comprise solely of the crude oils.Type: GrantFiled: October 29, 1999Date of Patent: April 30, 2002Inventor: Zhang Zheng Ru
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Patent number: 5755835Abstract: A fuel additive composition comprising:(a) A fuel-soluble aliphatic amine selected from the group consisting of (1) a straight or branched chain hydrocarbyl-substituted amine, (2) a hydroxyalkyl substituted amine, and (3) a straight or branched chain hydrocarbyl-substituted succinimide; and(b) a polyalkyl hydroxyaromatic compound or salt thereof wherein the polyalkyl group has sufficient molecular weight and carbon chain length to render the polyalkyl hydroxyaromatic compound soluble in hydrocarbons boiling in the gasoline or diesel range.Type: GrantFiled: December 28, 1992Date of Patent: May 26, 1998Assignee: Chevron Chemical CompanyInventor: Richard E. Cherpeck
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Patent number: 5709720Abstract: Aromatic ethers of polyalkylphenoxyalkanols having the formula: ##STR1## or a fuel soluble salt thereof, wherein R is hydroxy, nitro or --(CH.sub.2).sub.x -NR.sub.5 R.sub.6, wherein R.sub.5 and R.sub.6 are independently hydrogen or lower alkyl having 1 to carbon atoms, and x is 0 or 1;R.sub.1 is hydrogen, hydroxy, nitro or --NR.sub.7 R.sub.8, wherein R.sub.7 and R.sub.8 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms;R.sub.2 and R.sub.3 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms; andR.sub.4 is a polyalkyl group having an average molecular weight in the range of about 450 to 5,000.The compounds of formula I are useful as fuel additives for the prevention and control of engine deposits.Type: GrantFiled: November 7, 1996Date of Patent: January 20, 1998Assignee: Chevron Chemical CompanyInventor: Richard E. Cherpeck
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Patent number: 5569310Abstract: Poly(oxyalkylene) hydroxyaromatic ethers having the formula: ##STR1## or a fuel-soluble salt thereof; where R.sub.1 and R.sub.2 are each independently hydrogen, hydroxy, lower alkyl having 1 to 6 carbon atoms, or lower alkoxy having 1 to 6 carbon atoms; R.sub.3 and R.sub.4 are each independently hydrogen or lower alkyl having 1 to 6 carbon atoms; R.sub.5 is hydrogen, alkyl having 1 to 30 carbon atoms, phenyl, aralkyl or alkaryl having 7 to 36 carbon atoms, or an acyl group of the formula: ##STR2## where R.sub.6 is alkyl having 1 to 30 carbon atoms, phenyl, or aralkyl or alkaryl having 7 to 36 carbon atoms; n is an integer from 5 to 100; and x is an integer from 0 to 10.The poly(oxyalkylene) hydroxyaromatic ethers of formula I are useful as fuel additives for the prevention and control of engine deposits.Type: GrantFiled: December 18, 1992Date of Patent: October 29, 1996Assignee: Chevron Chemical CompanyInventor: Richard E. Cherpeck
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Patent number: 5516342Abstract: A fuel additive composition comprising:(a) a poly(oxyalkylene) hydroxyaromatic ether having the formula: ##STR1## or a fuel-soluble salt thereof; where R.sub.1 and R.sub.2 are each independently hydrogen, hydroxy, lower alkyl having 1 to 6 carbon atoms, or lower alkoxy having 1 to 6 carbon atoms; R.sub.3 and R.sub.4 are each independently hydrogen or lower alkyl having 1 to 6 carbon atoms; R.sub.5 is hydrogen, alkyl having 1 to 30 carbon atoms, phenyl, aralkyl or alkaryl having 7 to 36 carbon atoms, or an acyl group of the formula: ##STR2## where R.sub.6 is alkyl having 1 to 30 carbon atoms, phenyl, or aralkyl or alkaryl having 7 to 36 carbon atoms; n is an integer from 5 to 100; and x is an integer from 0 to 10; and(b) an aliphatic amine having at least one basic nitrogen atom and containing a hydrocarbyl group which has sufficient molecular weight and carbon chain length to render the aliphatic amine soluble in hydrocarbons boiling in the gasoline or diesel range.Type: GrantFiled: December 28, 1992Date of Patent: May 14, 1996Assignee: Chevron Chemical CompanyInventor: Richard E. Cherpeck
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Patent number: 5366517Abstract: A fuel additive composition comprising:(a) a poly(oxyalkylene) hydroxyaromatic ether having the formula: ##STR1## or a fuel-soluble salt thereof; where R.sub.1 and R.sub.2 are each independently hydrogen, hydroxy, lower alkyl having 1 to 6 carbon atoms, or lower alkoxy having 1 to 6 carbon atoms; R.sub.3 and R.sub.4 are each independently hydrogen or lower alkyl having 1 to 6 carbon atoms; R.sub.5 is hydrogen, alkyl having 1 to 30 carbon atoms, phenyl, aralkyl or alkaryl having 7 to 36 carbon atoms, or an acyl group of the formula: ##STR2## where R.sub.6 is alkyl having 1 to 30 carbon atoms, phenyl, or aralkyl or alkaryl having 7 to 36 carbon atoms; n is an integer from 5 to 100; and x is an integer from 0 to 10; and(b) a poly(oxyalkylene) amine having at least one basic nitrogen atom and a sufficient number of oxyalkylene units to render the poly(oxyalkylene) amine soluble in hydrocarbons boiling in the gasoline or diesel fuel range.Type: GrantFiled: December 18, 1992Date of Patent: November 22, 1994Assignee: Chevron Research and Technology CompanyInventor: Richard E. Cherpeck
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Patent number: 5192335Abstract: A fuel additive composition comprising:(a) a poly(oxyalkylene) amine having at least one basic nitrogen atom and a sufficient number of oxyalkylene units to render the poly(oxyalkylene) amine soluble in hydrocarbons boiling in the gasoline or diesel range; and(b) a polyalkyl hydroxyaromatic compound or salt thereof wherein the polyalkyl group has sufficient molecular weight and carbon chain length to render the polyalkyl hydroxyaromatic compound soluble in hydrocarbons boiling in the gasoline or diesel range.Type: GrantFiled: March 20, 1992Date of Patent: March 9, 1993Assignee: Chevron Research and Technology CompanyInventor: Richard E. Cherpeck
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Patent number: 5171330Abstract: The fluidity at low temperatures of compositions based on refinery liquid hydrocarbons can be improved by adding, preferably under solution, [l.sub.4 ]-methacyclophanes with substituents, obtained from the condensation reaction of a resorcin with a product containing an aldehyde group, followed by a reaction with halides of organic acids or alkyl halides.Type: GrantFiled: June 7, 1991Date of Patent: December 15, 1992Assignee: Societa' Italiana Additivi Per CarburantiInventors: Ettore Santoro, Luciano Canova, Enrico Dalcanale, Stefanio Bonsignore, Paolo Falchi
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Patent number: 5000757Abstract: Apparatus for the preparation of emulsions of oil in water comprises:(a) an oil feed line,(b) a source of concentrated surfactant solution,(c) a source of water,(d) a first low shear mixer for mixing concentrated surfactant and water to form a dilute surfactant solution,(e) means for uniting the flows of dilute surfactant solution and oil in a controlled manner,(f) a second low shear mixer for mixing the united flow streams of oil and dilute surfactant solution to form an emulsion of oil in water,(g) a third low shear mixer for mixing the emulsion of oil in water to form a dilute emulsion, and,(h) an arrangement of water feed lines and control valves such that, firstly, water can be supplied either to the first low shear mixer only or, secondly, to both first and third low shear mixers.The apparatus is particularly suitable for the preparation of emulsions of fuel oil in water from oils within a wide range of viscosities which burn with low emissions of NO.sub.x and particulates.Type: GrantFiled: July 26, 1988Date of Patent: March 19, 1991Assignee: British Petroleum Company p.l.c.Inventors: Simon J. Puttock, Ian D. Somerville