Patents Assigned to Huntsman Petrochemical Corporation
  • Catalysts useful in polyurethane foam
    Publication number: 20050059749
    Abstract: The invention provides amine catalyst composition useful in producing a polyurethane foam, which catalyst comprises a material described by the general structure: wherein R1 and R2 in each occurrence are independently selected from the group consisting of: methyl, ethyl, propyl, and butyl; m in each occurrence is any integer between 2 and about 10, including 2 and 10; and R3 and R4 are each independently selected from the group consisting of: hydrogen and C1 to C6 alkyl. flexible polyurethane foams produced using a catalyst according to the invention are low in odor, are not prone to discoloration, and have a low volatile organic chemical (VOC) content.
    Type: Application
    Filed: September 15, 2004
    Publication date: March 17, 2005
    Applicant: Huntsman Petrochemical Corporation
    Inventors: Pierre Chaffanjon, Robert Zimmerman
  • Catalyst removal process
    Patent number: 6855795
    Abstract: The present invention provides a process for producing polycarbonates in the presence of one or more alkali metal or alkaline-earth metal catalysts, and subsequently removing the catalyst residues by chelation, to yield a clear polycarbonate product that is free from catalyst residues, and is thus suitable for use as a binding material in the ceramics industry where residual amounts of catalysts in the binder are burdensome.
    Type: Grant
    Filed: May 20, 2004
    Date of Patent: February 15, 2005
    Assignee: Huntsman Petrochemical Corporation
    Inventors: John H. Clements, Howard P. Klein, Kenneth M. Hillman
  • Organic anion catalyst system for foams
    Publication number: 20050026775
    Abstract: Disclosed herein are compositions useful for introducing metal carboxylate salts as catalysts into systems useful for producing polyurethane and polyisocyanurate foams. The methods permit the introduction of such catalysts in the absence of substantial amounts of water which otherwise cause inferior foams to be produced. A method for producing foam employing the catalysts are also described.
    Type: Application
    Filed: July 30, 2003
    Publication date: February 3, 2005
    Applicant: Huntsman Petrochemical Corporation
    Inventors: Robert Grigsby, Robert Zimmerman, Ernest Rister
  • Structured liquids made using LAB sulfonates of varied 2-isomer content
    Patent number: 6849588
    Abstract: Provided herein are structured liquid surfactants produced using a linear alkylbenzene sulfonate having various levels of 2-isomer content.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: February 1, 2005
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Curtis M. Elsik, George A. Smith, Samir S. Ashrawi, Prakasa R. Anantaneni, Christopher J. Whewell
  • Degreasing compositions
    Patent number: 6833345
    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: February 1, 2002
    Date of Patent: December 21, 2004
    Assignee: Huntsman Petrochemical Corporation
    Inventors: James R. Machac, Jr., Edward T. Marquis, Susan A. Woodrum
  • Paint stripping compositions
    Patent number: 6833341
    Abstract: This invention concerns a composition useful as a paint remover, comprising: an organic carbonate, an alcohol, an activator, hydrogen peroxide, and water. The alcohol may be benzyl alcohol. The organic carbonate may be propylene carbonate, ethylene carbonate, or combination thereof. The activator may be an alkyl-substituted cycloalkane (naphthene), a soy oil, an alkyl soyate, or combination thereof.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: December 21, 2004
    Assignee: Huntsman Petrochemical Corporation
    Inventors: James R. Machac, Jr., Edward T. Marquis, Susan A. Woodrum
  • Catalyst removal process
    Publication number: 20040236069
    Abstract: The present invention provides a process for producing polycarbonates in the presence of one or more alkali metal or alkaline-earth metal catalysts, and subsequently removing the catalyst residues by chelation, to yield a clear polycarbonate product that is free from catalyst residues, and is thus suitable for use as a binding material in the ceramics industry where residual amounts of catalysts in the binder are burdensome.
    Type: Application
    Filed: May 20, 2004
    Publication date: November 25, 2004
    Applicant: Huntsman Petrochemical Corporation
    Inventors: John H. Clements, Howard P. Klein, Kenneth M. Hillman
  • Display methods for liquids having optical effects
    Publication number: 20040186036
    Abstract: Provided herein are consumer products contained in conventional containers. A consumer product packaged according to the present invention is one which exhibits birefringence, and the packaging used according to the present invention is arranged so that the consumer product is caused to exist between two layers of polarizing film and is thus capable of exhibiting the phenomenon of birefringence to consumers under ambient lighting conditions.
    Type: Application
    Filed: March 3, 2004
    Publication date: September 23, 2004
    Applicant: Huntsman Petrochemical Corporation
    Inventors: Raeda M. Smadi, Curtis M. Elsik, Samir S. Ashrawi, George A. Smith, Christopher J. Whewell
  • Chemical softening compositions for paper products
    Publication number: 20040163182
    Abstract: A chemical softening composition includes a amide-substituted quaternary imidazolinium salt, a nonionic surfactant, and a polyhydroxy compound for use in treating cellulosic materials including papers, textiles and fabrics. The chemical softening composition can be applied to papermaking fibers during a papermaking process to provide a softened paper web and product possessed of sufficient tensile strength for its regular employment. A chemical softening composition according to the invention can also be applied to fabric to soften the fabric, provide easier handling of the fabric, and also reduce the tendency of the fabric to generate and store static electricity.
    Type: Application
    Filed: February 26, 2003
    Publication date: August 26, 2004
    Applicant: Huntsman Petrochemical Corporation
    Inventor: Duy T. Nguyen
  • Paper products softening compositions
    Publication number: 20040159415
    Abstract: Provided herein are amphoteric surfactants derived from ethyleneamines, which surfactants are useful in treating paper, fibers, textiles, hair, and human skin, to impart softness-to-the-touch properties thereto.
    Type: Application
    Filed: February 18, 2003
    Publication date: August 19, 2004
    Applicant: Huntsman petrochemical corporation
    Inventors: Duy T. Nguyen, Samir S. Ashrawi
  • Alkanolamine polymer salt additives for creping of fibrous webs
    Publication number: 20040162367
    Abstract: The present invention provides compositions a useful in the creping of paper products such as facial tissue and bathroom tissue. The compositions comprise an alkanolamine salt of a styrene-methacrylic acid co-polymer. According to a process according to the invention, a composition of the invention is contacted with the dryer cylinder in a creping process.
    Type: Application
    Filed: February 19, 2003
    Publication date: August 19, 2004
    Applicant: Huntsman Petrochemical Corporation
    Inventor: Duy T. Nguyen
  • Alcohol ether sulfonates
    Publication number: 20040127742
    Abstract: Provided herein is a class of compounds with surfactant properties known as alcohol ether sulfonates. These materials are produced according to the present invention by reaction of isethionic acid or its halo-derivative with an alcohol. An alcohol ether sulfonate according to the invention is useful as a component of a finished surfactant formulation useful for cleaning hard surfaces, laundry, and dishes, among other things.
    Type: Application
    Filed: October 21, 2003
    Publication date: July 1, 2004
    Applicant: Huntsman Petrochemical Corporation
    Inventors: Prakasa R. Anantaneni, Samir S. Ashrawi, David C. Lewis, George A. Smith
  • Manufacture of cyclohexane from benzene and a hydrogen source containing impurities
    Patent number: 6750374
    Abstract: A process for producing cyclohexane by benzene hydrogenation using a hydrogen source that contains impurities, such as carbon monoxide and/or light hydrocarbons, wherein a supported catalyst reduces benzene to cyclohexane and carbon monoxide to methane and water. Alkenes, such as ethylene, are also reduced to their alkane counterparts. Under the disclosed operating conditions, the process proceeds without deactivation of the catalyst, and without the formation of a significant amount of cracking products, such as methylcyclopentane.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: June 15, 2004
    Assignee: Huntsman Petrochemical Corporation
    Inventors: John Ronald Sanderson, Terry Lee Renken, Michael Wayne McKinney
  • Anhydride stabilization
    Patent number: 6730810
    Abstract: Disclosed herein are compositions comprising organic anhydrides having a reduced tendency to discolor with time, even when held at elevated temperatures for extended times. The compositions are produced by mixing at least one acid halide and various derivatives of hydroxy carboxylic acids with an anhydride to form a homogenous solution. Also disclosed is a process for preparing the compositions.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: May 4, 2004
    Assignee: Huntsman Petrochemical Corporation
    Inventor: Henry C. Brown
  • Preparation of hydroxyalkylcarbamates from six-membered cyclic carbonates
    Patent number: 6710203
    Abstract: A method of preparing hydroxyalkylcarbamates from six-membered cyclic carbonates. The method involves reacting a six-membered cyclic carbonate with anhydrous ammonia or aqueous ammonium hydroxide. The present invention also provides for hydroxyalkylcarbamates prepared from six-membered cyclic carbonates, and for coating compositions comprising hydroxyalkylcarbamates prepared according to the present invention.
    Type: Grant
    Filed: May 23, 2001
    Date of Patent: March 23, 2004
    Assignee: Huntsman Petrochemical Corporation
    Inventors: John H. Clements, Howard P. Klein, Edward T. Marquis, James R. Machac, Jr.
  • Advances in towelettes containing organic carbonates
    Patent number: 6703033
    Abstract: Provided herein are moist towelettes useful for cleansing, among other things, hard surfaces and human skin. The moist towelettes of the invention comprise a towelette portion which is moistened with a liquid composition of matter wherein the liquid composition includes an alkylene carbonate as one of its components. According to one preferred form of the invention, the liquid composition from which the towelettes are made moist are alcohol-free. In another embodiment, a substantial portion of the alcohol in a given formulation is replaced with an alkylene carbonate component. Preferred alkylene carbonate components include propylene carbonate, butylene carbonate, and glycerine carbonate.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: March 9, 2004
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Raeda M. Smadi, James R. Machac, Jr., Edward T. Marquis
  • Advances in dehydrogenation catalysis
    Patent number: 6700028
    Abstract: Provided herein are processes for the dehydrogenation of hydrocarbons using new supported catalysts. A process according to the invention employs new catalysts that possess a unique pore size distribution which provides a favorable balance of selectivity, activity, and thermal stability. A process according to the invention includes regeneration of the new catalysts. Detergent range paraffins may be converted to monoolefins using the new catalysts with fewer unwanted by-products being formed during the dehydrogenation.
    Type: Grant
    Filed: May 7, 2002
    Date of Patent: March 2, 2004
    Assignee: Huntsman Petrochemical Corporation
    Inventor: David R. Dyroff
  • Preparation of secondary amines
    Publication number: 20040019238
    Abstract: Disclosed herein is a process for the reductive alkylation of primary amines to form secondary amines, by high pressure reaction of the primary amine with an alkylating agent and hydrogen in the presence of a catalyst which comprises metallic palladium. A process of the present invention is characterized in having high conversion rates and high selectivities, both greater than 95% on a first pass through the reactor. According to a preferred embodiment, the secondary amine produced comprises at least one 2-alkyl group bonded to the nitrogen atom of the primary amine product.
    Type: Application
    Filed: July 18, 2003
    Publication date: January 29, 2004
    Applicant: Huntsman Petrochemical Corporation
    Inventors: Wei-Yang Su, Christopher H. Nelli
  • Preparation of secondary amines
    Publication number: 20040015016
    Abstract: Disclosed herein is a process for the reductive alkylation of primary amines to form secondary amines, by high pressure reaction of the primary amine with an alkylating agent and hydrogen in the presence of a catalyst which comprises metallic palladium. A process of the present invention is characterized in having high conversion rates and high selectivities, both greater than 95% on a first pass through the reactor. According to a preferred embodiment, the secondary amine produced comprises at least one 2-alkyl group bonded to the nitrogen atom of the primary amine product.
    Type: Application
    Filed: July 22, 2002
    Publication date: January 22, 2004
    Applicant: Huntsman Petrochemical Corporation
    Inventors: Wei-Yaug Su, Christopher H. Nelli
  • Structured liquids made using LAB sulfonates of varied 2-isomer content
    Publication number: 20040009882
    Abstract: Provided herein are structured liquid surfactants produced using a linear alkylbenzene sulfonate having various levels of 2-isomer content.
    Type: Application
    Filed: May 9, 2003
    Publication date: January 15, 2004
    Applicant: Huntsman Petrochemical Corporation
    Inventors: Curtis M. Elsik, George A. Smith, Samir S. Ashrawi, Prakasa R. Anantaneni, Christopher J. Whewell