Patents Examined by Pamela H Weiss
-
Patent number: 11198817Abstract: Maleic anhydride homopolymer corrosion inhibitors, maleic acid homopolymer corrosion inhibitors, methods for preparing the same, and methods of inhibiting corrosion are provided. The corrosion inhibitors may exclude phosphorus and may contain a hydrolysate of a maleic anhydride homopolymer or a hydrolysate of a maleic acid homopolymer. The maleic acid homopolymer may include from about 2 to about 5 maleic acid repeating units and the maleic anhydride homopolymer may include from about 2 to about 5 maleic anhydride repeating units.Type: GrantFiled: October 17, 2016Date of Patent: December 14, 2021Assignee: Ecolab USA Inc.Inventors: Jasbir S. Gill, Peter E. Reed, Santanu Banerjee, Anand Harbindu, Yinyin Tong
-
Patent number: 11186540Abstract: Disclosed are compositions and methods for preventing or reducing polymer formation and polymer deposition in equipment used in petrochemical processes. An antifoulant composition includes a combination of one or more antioxidants; one or more antipolymerants; one or more dispersants; and one or more solvents. A method of preventing or reducing fouling of process equipment used in an industrial process is also described. The method includes introducing into the process equipment an antifoulant composition, the antifoulant composition comprising a combination of one or more antioxidants; one or more antipolymerants; one or more dispersants; and one or more solvents.Type: GrantFiled: July 9, 2020Date of Patent: November 30, 2021Assignee: Ecolab USA Inc.Inventors: Anahita Khanlari, Andrew R. Neilson
-
Patent number: 11174443Abstract: The presently disclosed subject matter relates to torrefied biomass briquettes and methods for producing the same that make use of a mixture of lightly torrefied material (LTM) and highly torrefied material (HTM) and/or make use of torrefied materials that are subjected to a hydrolysis pretreatment prior to being torrefied.Type: GrantFiled: December 12, 2018Date of Patent: November 16, 2021Assignee: University of Louisville Research Foundation, Inc.Inventors: Jagannadh Satyavolu, Osama Bu Aamiri, Chamila Rajeeva Thilakaratne
-
Patent number: 11162042Abstract: A method of preparing agglomerates of ultra-fine coal particles includes mixing a film forming agglomeration aid (FFAA) with a quantity of ultra-fine coal particles to form ultra-fine coal particles coated with the FFAA. The FFAA has a lower surface energy relative to a surface of the ultra-fine coal particles. The FFAA is mixed with the ultra-fine coal particles in an amount less than 3% by weight of the ultra-fine coal particles on a dry basis. Agglomerates of the ultra-fine coal particles coated with the film forming agglomeration aid are formed using vibration, pelleting, and/or briquetting. The agglomerates have a size of at least 2 mm. The ultra-fine coal particles have a particle size less than 100 ?m. The agglomerate has a tumbler test friability less than 3%. The drop shatter friability is also less than 3%.Type: GrantFiled: January 6, 2020Date of Patent: November 2, 2021Assignee: OMNIS MINERAL TECHNOLOGIES, LLCInventors: James S. Swensen, Jonathan K. Hodson, John G. Gritt, Nathan A. Chapman, Paul R. Samario, Michael R. Hodson, Simon K. Hodson
-
Patent number: 11149223Abstract: The present invention discloses a single package additive for improving lubricity and conductivity properties of ultra-low sulfur diesel fuels. The single package additive is a reaction product of a fatty acid composition, a glycerol tricarboxylates, a polysulfone, a polyamine, an alkylated benzene sulfonic acid and a phenol derivative. More specifically, the present invention discloses a reaction product of: a fatty acid composition in the range of 60-95% wt/wt; a glycerol tricarboxylate in the range of 0.1-10.0% wt/wt; a polysulfone in the range of 0.1-5.0% wt/wt; a polyamine in the range of 0.1-5.0% wt/wt; an alkylated benzene sulfonic acid in the range of 0.1-5.0% wt/wt; and a phenol derivative in the range of 0.1-10.0% wt/wt. The present invention also discloses a single-pot process for the preparation of said reaction product.Type: GrantFiled: December 8, 2020Date of Patent: October 19, 2021Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Krishnarao Lopinti, Maya Chakradhar, Ajay Kumar Arora, Vivekanand Kagdiyal, Deepak Saxena, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
-
Patent number: 11149222Abstract: A method for marking a petroleum hydrocarbon or a liquid biologically derived fuel; said method comprising adding to said petroleum hydrocarbon or liquid biologically derived fuel at least one compound that is a R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10-substituted xanthene, wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 independently are hydrogen, hydrocarbyl, hydrocarbyloxy, aryl or aryloxy; wherein each compound of formula (I) is present at a level from 0.01 ppm to 20 ppm.Type: GrantFiled: March 25, 2019Date of Patent: October 19, 2021Assignees: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS COMPANYInventors: Robert J. Wright, Brian A. Jazdzewski, Warren E. Smith, Jeremy Chris Reyes, Zahid Asif, Clark H. Cummins, William L. Winniford
-
Patent number: 11142831Abstract: A method of preventing or mitigating corrosion on a metallic surface exposed to a supercritical fluid is disclosed. The method includes adding a corrosion inhibitor composition to a supercritical fluid comprising a supercritical carbon dioxide; and contacting the supercritical fluid with a metallic surface, wherein the corrosion inhibitor composition comprises a corrosion inhibitor that has a solubility of greater than 5,000 ppm in the supercritical fluid at 48.9° C. and 2,200 psi.Type: GrantFiled: March 6, 2020Date of Patent: October 12, 2021Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Tracey Jackson, Sunder Ramachandran, Zhengwei Liu, Jonathan Stewart-Ayala
-
Patent number: 11136527Abstract: A lubricant, including, by weight: 80-85 parts of a base oil; 1-2 parts of a methyl-silicone oil; 1-2 parts of polymethacrylate; 2-4 parts of pentaerythritol polyisobutylene succinate; 1-2 parts of di-n-butyl phosphite; 2-3 parts of butylhydroxytoluene; 2-4 parts of an ethylene-propylene copolymer; 1-2 parts of an alkenyl succinate; and 3-5 parts of copper nanoparticles. A method of preparing the lubricant includes: adding the base oil, the methyl-silicone oil, the polymethacrylate, the ethylene-propylene copolymer, the butylhydroxytoluene, the alkenyl succinate to a reactor, and stirring a resulting first mixture under normal temperature and pressure at 300-400 rpm for 3-4 hours, to yield a primary product; and adding the di-n-butyl phosphite, the pentaerythritol polyisobutylene succinate, and the copper nanoparticles to the primary product, and stirring a resulting second mixture at 150-250 rpm for 2-2.5 hours.Type: GrantFiled: November 14, 2019Date of Patent: October 5, 2021Assignee: HENAN UNIVERSITYInventors: Yujuan Zhang, Shengmao Zhang, Pingyu Zhang, Zhijun Zhang
-
Patent number: 11118130Abstract: Disclosed is a metalworking oil composition containing: at least one base oil (A) selected from a mineral oil and a synthetic oil; sulfurized oils and fats (B) having a kinematic viscosity at 40° C. of 60 mm2/s or more and 1,600 mm2/s or less; and a polymer (C) of an unsaturated fatty acid having a carbon number of 10 or more.Type: GrantFiled: March 31, 2017Date of Patent: September 14, 2021Assignee: IDEMITSU KOSAN CO., LTD.Inventor: Tomohiko Kitamura
-
Patent number: 11118124Abstract: A diamondoid fuel comprising a cage structure including 10, 14, 18, or 22 carbons. The diamondoid fuel also includes one of one to four cyclopropyl groups bonded to the cage structure or two to four functional groups bonded to the cage structure where the functional groups are an alkyl group, an allyl group, a cyclopropyl group, or combinations thereof. Additionally, at least one functional group is an allyl group and at least one functional group is a cyclopropyl group.Type: GrantFiled: October 7, 2019Date of Patent: September 14, 2021Assignee: The United States of America, as Represented by the Secretary of the NavyInventors: Benjamin G. Harvey, Matthew C. Davis
-
Patent number: 11111451Abstract: Lubricating compositions comprising a mercaptoazole-acrylic adduct formed by contacting a mercaptoazole compound with an acrylic. The adduct formed has at least one sulfur-alkyl group comprising at least one acyl, or compounds having at least one nitrogen-alkyl group comprising at least one acyl, or mixtures thereof. The lubricating composition also comprises an antiwear agent and an antioxidant. Methods of lubricating an internal combustion engine comprising contacting the internal combustion engine with the lubricating composition comprising a mercaptoazole-acrylic adduct formed by contacting a mercaptoazole compound with an acrylic. Methods of reducing corrosion and/or seal deterioration in an internal combustion engine. The use of a mercaptoazole-acrylic adduct in a lubricating composition to reduce corrosion and/or seal deterioration in an internal combustion engine.Type: GrantFiled: March 30, 2017Date of Patent: September 7, 2021Assignee: The Lubrizol CorporationInventors: Yanshi Zhang, Nga H. Nguyen
-
Patent number: 11084997Abstract: Process for preparing a diesel fuel composition comprising the steps of: (i) blending a Fischer-Tropsch derived gasoil with a petroleum derived gasoil to form a blended gasoil which is compliant with the EN590 specification, wherein the Fischer-Tropsch derived gasoil has a density of 0.8 g/cm3 or less and wherein the petroleum derived gasoil is derived from naphthenic high density petroleum crude oil and has a density at 15° C. of 0.84 g/cm3 or greater and a naphthenics content of 30 wt % or greater; and (ii) mixing the blended gasoil produced in step (i) with a diesel base fuel to form a diesel fuel composition, wherein the diesel fuel composition has a density at 15° C. in the range from 0.820 g/cm3 to 0.845 g/cm3.Type: GrantFiled: November 10, 2016Date of Patent: August 10, 2021Assignee: SHELL OIL COMPANYInventors: Richard John Price, Matthias Mundt, Roger Francis Cracknell, Eri Ito, Marcello Stefano Rigutto, Aldo Caiazzo
-
Patent number: 11084988Abstract: Methods of separating and purifying products from the catalytic fast pyrolysis of biomass are described. In a preferred method, a portion of the products from a pyrolysis reactor are recovered and purified using a hydrotreating step that reduces the content of sulfur, nitrogen, and oxygen components, and hydrogenates olefins to produce aromatic products that meet commercial quality specifications.Type: GrantFiled: August 4, 2019Date of Patent: August 10, 2021Assignee: Anellotech, Inc.Inventors: Charles M. Sorensen, Jr., Ruozhi Song, Terry J. Mazanec
-
Patent number: 11066618Abstract: An organic lubricant composition comprising a vegetable oil; an organic acid; and an organic alcohol, where the organic lubricant composition is substantially free of inorganic compounds.Type: GrantFiled: June 26, 2019Date of Patent: July 20, 2021Assignee: MJ RESEARCH & DEVELOPMENT, LPInventors: Owen N. Massey, Fred P. Massey
-
Patent number: 11060043Abstract: The present disclosure relates to a formulation of diesel additive comprising 2-ethylhexanoic acid, at least one alkylene glycol and at least one alkanolamine which at specific weight ratios, is able to enhance the lubricity of a fuel. Also provided are the methods of preparation and usage of the same. It further relates to the fuel composition comprising the fuel, and the formulation of present disclosure, and the method of preparing the fuel composition.Type: GrantFiled: May 4, 2018Date of Patent: July 13, 2021Assignee: Hindustan Petroleum Corporation LimitedInventors: Sandip Bhowmik, Chintalapati Siva Kesava Raju, Raghava Krishna Kanala, Ganagalla Srinivasa Rao, Ramkumar Mangala, Peddy Venkata Chalapathi Rao, Nettam Venkateswarlu Choudary, Gandham Sriganesh
-
Patent number: 11060040Abstract: Systems and methods are provided for block operation during lubricant and/or fuels production from deasphalted oil. During “block” operation, a deasphalted oil and/or the hydroprocessed effluent from an initial processing stage can be split into a plurality of fractions. The fractions can correspond, for example, to feed fractions suitable for forming a light neutral fraction, a heavy neutral fraction, and a bright stock fraction, or the plurality of fractions can correspond to any other convenient split into separate fractions. The plurality of separate fractions can then be processed separately in the process train (or in the sweet portion of the process train) for forming fuels and/or lubricant base stocks. This can allow for formation of unexpected base stock compositions.Type: GrantFiled: August 1, 2019Date of Patent: July 13, 2021Assignee: ExxonMobil Research and Engineering CompanyInventors: Lisa I-Ching Yeh, Yogi V. Shukla, Pilanda Watkins-Curry, Camden N. Henderson, Kendall S. Fruchey, Michael B. Carroll, Adrienne R. Diebold
-
Patent number: 11046903Abstract: This disclosure relates to compositions and methods of making an additized fuel composition comprising a base fuel composition and a randomly branched nitrate composition. The randomly branched nitrate composition includes a plurality of primary nitrate molecules, each molecule therein having an empirical chemical formula of CnNO3, wherein Cn is a branched aliphatic moiety which may be the same or different for each molecule, n is an integer selected from the group consisting of 8, 9, 10, 11 and 12, at least one carbon atom in the branched aliphatic moiety being bound to three or more carbon atoms, a branching index ranging from 1.8 to 2.2, and greater than 80% of the branches in the aliphatic moiety being in other than the alpha position. The additized fuel composition may be diesel fuel composition or a gasoline fuel composition.Type: GrantFiled: August 14, 2020Date of Patent: June 29, 2021Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Logan P. Renninger, Scott K. Berkhous, Donald J. Mattran, Geert W. Steenbeke, Dongil Kang, Kenneth C. H. Kar
-
Patent number: 11034908Abstract: The present in relates to a lubricating oil composition for sliding member having a coating film, the lubricating oil composition containing a base oil; (A) a zinc dialkyldithiophosphate; and (B) a metallic detergent, wherein the content of sulfur atom (S) is 2,800 ppm by mass or less on the basis of the whole amount of the lubricating oil composition, and a mass ratio of the content of sulfur atom (S) and the content of metal atom (BM) derived from the component (B) [(S)/(BM)] in the lubricating oil composition is 0.07 or more and 2.90 or less.Type: GrantFiled: March 30, 2017Date of Patent: June 15, 2021Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Tatsuya Kusumoto, Ikuko Nakaya
-
Patent number: 11021673Abstract: The invention provides a lubricating oil composition being a lubricating oil composition containing a base oil composition which includes a lubricant base oil belonging to Group 3 of the base oil categories specified by the American Petroleum Institute (API) and a comb-like polymethacrylate-based viscosity index improver wherein the weight-halving temperature is not less than 310° C., and the sulphur content in the aforementioned lubricating oil composition is not more than 0.3 weight % in terms of the total weight of the aforementioned lubricating oil composition, and the aforementioned lubricating oil composition has an SAE viscosity grade of 0W-20, 5W-20 or 5W-30, a viscosity index of not less than 185 and a high-temperature high-shear viscosity at 100° C. of not more than 7.5 mPa·s.Type: GrantFiled: November 16, 2017Date of Patent: June 1, 2021Assignee: Shell Oil CompanyInventors: Mao Ueda, Kiyoshi Hanyuda
-
Patent number: 11008500Abstract: Disclosed are alkyl lactone-derived hydroxyamide and alkyl lactone-derived hydroxyester used in compositions and methods for inhibiting corrosion. The alkyl lactone-derived hydroxyamide and alkyl lactone-derived hydroxyester are reaction products of an alkyl lactone and an amine, and an alkyl lactone and an alcohol, respectively.Type: GrantFiled: July 10, 2019Date of Patent: May 18, 2021Assignee: ChampionX USA Inc.Inventors: Jeremy Moloney, Jeremy Wayne Bartels, Jeffrey M. Servesko