Patents Assigned to Huntsman Petrochemical Corporation
  • Patent number: 6420482
    Abstract: This invention concerns a composition comprising a blend of polyolefin with the reaction of a functionalized polyolefin and polyetheramine in which the polyetheramine is grafted into the functionalized polyolefin in a customary mixing apparatus. A process for producing the reaction product of functionalized polypropylene and polyetheramine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automotive body parts. This invention further includes dyeable polyolefin compositions containing the reaction product of functionalized polyolefin and polyetheramine. Dyeable polyolefin fibers, including polypropylene fibers, are disclosed, which may be made by melt spinning, and which may be employed to make woven. and non-woven fabric.
    Type: Grant
    Filed: September 26, 2000
    Date of Patent: July 16, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Richard Joseph Gilbert Dominguez, Christopher S. Henkee, Wheeler C. Crawford, Gerald W. Cummings, Kevin John Hess, Richard James Clark, Randall Keith Evans
  • Patent number: 6417135
    Abstract: Provided herein are supported catalysts and processes useful in the dehydrogenation of hydrocarbons. Catalysts made according to the invention possess a unique pore size distribution which provides a favorable balance of selectivity, activity, and thermal stability. In a preferred form of the invention, catalysts made in accordance of the invention are regenerable. Detergent range paraffins may be converted to monoolefins using a catalyst and process provided by the invention.
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: July 9, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventor: David R. Dyroff
  • Publication number: 20020082430
    Abstract: Provided herein is a process for producing alkylene carbonates of ultra-high purity. According to the present invention, certain stages of traditional distillation of alkylene carbonate distillation are replaced by carbon treatment. Alkylene carbonates produced according to the invention have a color of less than 25 (Pt—Co), and are suitable for uses requiring ultra-pure alkylene carbonates.
    Type: Application
    Filed: February 26, 2002
    Publication date: June 27, 2002
    Applicant: Huntsman Petrochemical Corporation
    Inventors: James R. Machac, Ralph M. DiGuilio, John R. Sanderson, Ronald L. Savage
  • Publication number: 20020068244
    Abstract: The present invention is directed toward effective photoresist stripping compositions that are less corrosive and do not cause skin irritation. One form of the present invention is a composition useful as a photoresist remover that includes an alkylene carbonate, and one or more additional components chosen from the group that includes alkyl hydrogen peroxides, hydroxyalkyl ureas, urea-hydrogen peroxides, N-substituted morpholines and alcohols. Another form of the present invention is a composition for removing photoresist from a surface that includes an N-substituted morpholine.
    Type: Application
    Filed: September 5, 2001
    Publication date: June 6, 2002
    Applicant: Huntsman Petrochemical Corporation
    Inventors: James R. Machac, Edward T. Marquis, Wheeler C. Crawford
  • Patent number: 6399736
    Abstract: This invention concerns a method for the preparation of polyurea elastomers, comprising: (a) reacting an amine chain extender with dialkyl maleate to form an aspartic ester, wherein the chain extender has a molar amount of amine groups that is greater than the moles of dialkyl maleate; (b) blending the aspartic ester with one or more polyoxyalkyleneamines to prepare a resin blend; (c) contacting the resin blend with an isocyanate under conditions effective to form a polyurea elastomer. This invention concerns a method for the preparation of polyurethane elastomers, comprising: (a) reacting an diamine chain extender with dialkyl maleate or fumarate, wherein the mole ratio of primary amine functionality in the diamine chain extender to dialkyl maleate or fumarate is more than 1:1; (b) coating a substrate with effective film forming amounts of the product of step (a), an isocyanate, and a polyhydroxyl compound under conditions effective to form a the polyurethane elastomer.
    Type: Grant
    Filed: January 11, 2000
    Date of Patent: June 4, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Dudley J. Primeaux, II, Robert L. Zimmerman, Kenneth M. Hillman
  • Patent number: 6395103
    Abstract: A composition useful as a paint remover which may include a carbonate, a dibasic ester and a mono-ester. The paint stripping composition may also contain an organic sulfur-containing compound such as dimethyl sulfoxide (DMSO), a glycol ether, a ketone, or combination thereof. The composition may be used in a process for removing paint by applying it to a painted surface. A degreasing composition is also disclosed which may comprise a carbonate and a alkyl-substituted cyclo-alkane such as naphthene. The compositions have several important attributes, including low toxicity and high efficacy in removing paint and coatings.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: May 28, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventors: James R. Machac, Jr., Edward T. Marquis, Susan A. Woodrum
  • Patent number: 6387187
    Abstract: The invention relates to compositions having an alkylene carbonate and a primary hydroxyl functional capping agent selected from the group consisting of methoxypolyoxyethylene monol, polyoxyethylene-polyoxypropylene monol, and mixtures thereof for treating materials fouled with isocyanate. The invention also relates to decontamination of materials fouled with isocyanate, and to methods for decontamination of solvent fouled with isocyanate.
    Type: Grant
    Filed: January 18, 2001
    Date of Patent: May 14, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventor: James A. Yavorsky
  • Patent number: 6387223
    Abstract: This invention concerns a process to provide high purity akylene carbonate though use of multiple distillations wherein the unused fractions are recycled to the reactor.
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: May 14, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Edward T. Marquis, Mercy Mathai Varghese
  • Patent number: 6384240
    Abstract: This invention concerns a process to provide high purity alkylene carbonate though use of multiple distillations wherein the unused fractions are recycled to the reactor. The high purity alkylene carbonate may be further purified by use of carbon to produce electrochromic or photochromic grade alkylene carbonate by reducing its UV absorbance.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: May 7, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventors: James R. Machac, Jr., Edward T. Marquis, Ronald L. Savage, Susan A. Woodrum, John R. Sanderson
  • Patent number: 6376588
    Abstract: Disclosed is a composition useful as a mold release agent, exhibiting viscosities, lubricities and melting points which cover a wide range and fit a variety of types of molding equipment, comprising: a) 5 to 40% by weight one or more water soluble copolymers of ethylene oxide and propylene oxide which are in liquid phase at ambient temperatures; b) 15 to 60% by weight a crystalline polyoxyalkylene having a melting point slightly above ambient; and c) 100 to 5000 ppm of one or more antioxidant additives.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: April 23, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventor: Edward Chung Yit Nieh
  • Patent number: 6369009
    Abstract: This invention concerns a composition useful as a paint remover, comprising: alkylene carbonate such as propylene carbonate or ethylene carbonate, hydrogen peroxide, and water, and optionally an alcohol such as benzyl alcohol. In another broad respect, this invention concerns a process for removing paint, comprising: applying a composition containing alkylene carbonate, hydrogen peroxide, and water to a painted surface for a time and under conditions effective to cause blistering or bubbling of the paint. In another broad respect, this invention is a composition useful as a paint remover, comprising: dialkyl carbonate, hydrogen peroxide, and water, optionally containing an alcohol, optionally containing a glycol ether. In another broad respect, this invention is a process for removing paint, comprising: applying a composition containing dialkyl carbonate, hydrogen peroxide, and water to a painted surface for a time and under conditions effective to cause blistering or bubbling of the paint.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: April 9, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventors: James R. Machac, Jr., Edward T. Marquis, Susan A. Woodrum
  • Publication number: 20020038041
    Abstract: A method of preparing novel alkyl glycidyl carbonate compositions comprising reacting a metal alkoxide with a cyclic organic carbonate in the presence of a solvent under conditions suitable for producing an alkyl glycidyl carbonate. Novel alkyl glycidyl carbonate compositions are also disclosed.
    Type: Application
    Filed: September 5, 2001
    Publication date: March 28, 2002
    Applicant: Huntsman Petrochemical Corporation
    Inventors: John H. Clements, Howard P. Klein, Edward T. Marquis
  • Publication number: 20020038061
    Abstract: Fluorocarbon compounds are synthesized by reacting a substrate hydrocarbyl compound containing at least one sp3-hybridized halophoric carbon atom bearing at least two halogen atom substituents, at least one of which is a halogen atom having an atomic number greater than that of fluorine and the at least one halophoric carbon atom being bonded to at least one chalcogen, with at least one reactant which comprises a complex of a Bronstedt base with a defined amount n of hydrofluoric acid, n being at least 3 and not greater than 20.
    Type: Application
    Filed: September 25, 2001
    Publication date: March 28, 2002
    Applicant: Huntsman Petrochemical Corporation
    Inventors: Robert Janin, Laurent Saint-Jalmes
  • Publication number: 20020032341
    Abstract: This invention concerns a composition containing a dimerized or trimerized fatty acid amide of a primary alkanolamine that remains clear of suspended solids during storage, making mixtures containing the additive particularly useful to the metalworking industry. The amide may be formed by the condensation of a primary alkanolamine and a dimerized or trimerized fatty acid. When added to an amide of a primary alkanolamine and fatty acid containing a single carboxylic acid group, these molecules are able to prevent crystallization of the amide mixture.
    Type: Application
    Filed: September 24, 2001
    Publication date: March 14, 2002
    Applicant: Huntsman Petrochemical Corporation
    Inventor: Karl E. Griswold
  • Patent number: 6340559
    Abstract: Provided herein are developer solutions useful in producing semiconductor-based circuit elements or precursors thereof, which contain tris-(2-hydroxyethyl)methylammonium hydroxide. Developers according to the invention are either aqueous or alcoholic solutions of tris-(2-hydroxyethyl)methylammonium hydroxide which preferably further comprise a stabilizer. Through use of the compositions provided herein, greatly reduced levels of volatile amines are released during the developing process which lessens the burden on clean room atmosphere purification equipment owing to lessened airborne impurities.
    Type: Grant
    Filed: February 21, 2001
    Date of Patent: January 22, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Wei-Yang Su, Stephen Lee Sjoberg, Wheeler Conrad Crawford
  • Publication number: 20020004541
    Abstract: Reduced pour point ethylene oxide/propylene oxide block copolymer surfactants, pour point depressants for reducing the pour point of such surfactants, and a process for preparing such surfactants, wherein the reduced pour point is achieved without adversely affecting the properties or structure of the parent ethylene oxide/propylene oxide block copolymer surfactant or contributing to the formation of a hazy product. According to the present invention, the pour point of ethylene oxide/propylene oxide block copolymer surfactants may be reduced by mixing a parent ethylene oxide/propylene oxide block copolymer surfactant with a pour point depressant comprising a low molecular weight glycol, water, and a dialkyl sulfosuccinate.
    Type: Application
    Filed: July 13, 2001
    Publication date: January 10, 2002
    Applicant: Huntsman Petrochemical Corporation
    Inventors: David Charles Lewis, Donald Hugh Champion
  • Patent number: 6315908
    Abstract: This invention concerns a method for the treatment of waste-water. This method includes reacting a polyamine and a multifunctional epoxide in waste-water composition that initially is in the form of an emulsion to form a reaction product that causes the emulsion to break into a water phase and an oil phase. The oil phase and water phase may thereafter be physically separated from one another as by dissolved air flotation or chemical precipitation.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: November 13, 2001
    Assignee: Huntsman Petrochemical Corporation
    Inventor: George A. Smith
  • Patent number: 6315964
    Abstract: This invention is directed to a reactive distillation process and system for the alkylation of liquid aromatic compounds with a liquid olefin or olefin/paraffin mixture. The aromatic compound may have from about 6 to about 30 carbons and the olefin may have from about 8 to 30 carbons. The system has a reactor configuration utilizing an alkylation catalyst, a reboiler with product takeoff, and a feed inlet above the catalyst bed. The system may also include a means for in-situ mixing of the aromatic compound and olefin or olefin/paraffin mixture, an overhead condenser and/or a water takeoff.
    Type: Grant
    Filed: June 20, 1997
    Date of Patent: November 13, 2001
    Assignee: Huntsman Petrochemical Corporation
    Inventors: John F. Knifton, Prakasa Rao Anantaneni, Melvin Stockton
  • Publication number: 20010039312
    Abstract: A compound comprising a blend of polypropylene with the reaction of a functionalized polypropylene and polyether amine in which the polyether amine is grafted into the functionalized polypropylene in a customary mixing apparatus is disclosed. The blend may include an elastomer such as EP rubber and/or a filler such as glass. A process for producing the reaction product of the functonalized polypropylene and the polyether amine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automotive body parts. A polyether monoamine that contains from about 36 to about 44 ethylene units and from about 1 to about 6 propylene units, and processes and blends using same.
    Type: Application
    Filed: February 6, 2001
    Publication date: November 8, 2001
    Applicant: Huntsman Petrochemical Corporation, Inc.
    Inventors: Randall Keith Evans, Richard J.G. Dominguez, Richard J. Clark
  • Patent number: 6310174
    Abstract: This invention concerns a composition containing a dimerized or trimerized fatty acid amide of a primary alkanolamine that remains clear of suspended solids during storage, making mixtures containing the additive particularly useful to the metalworking industry. The amide may be formed by the condensation of a primary alkanolamine and a dimerized or trimerized fatty acid. When added to an amide of a primary alkanolamine and fatty acid containing a single carboxylic acid group, these molecules are able to prevent crystallization of the amide mixture.
    Type: Grant
    Filed: April 28, 2000
    Date of Patent: October 30, 2001
    Assignee: Huntsman Petrochemical Corporation
    Inventor: Karl E. Griswold