Patents by Inventor Trazollah Ouhadi

Trazollah Ouhadi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5157081
    Abstract: A dynamically vulcanized alloy composition having improved tensile strength including a first butyl or halogenated butyl rubber-based elastomer and a second EPM and/or EPDM elastomer in a matrix of a crystalline polyolefinic resin, and processes for producing the improved composition.
    Type: Grant
    Filed: June 10, 1991
    Date of Patent: October 20, 1992
    Assignee: Advanced Elastomer Systems, L.P.
    Inventors: Robert C. Puydak, Donald R. Hazelton, Trazollah Ouhadi
  • Patent number: 5130371
    Abstract: Disclosed herein are block and random graft copolymer compositions comprising a base polymer of crystalline polyolefin to which is grafted at least one side or end chain of a hydroxy-ended polylactone, the process for making said graft copolymer compositions, and use thereof in engineering thermoplastic resins.
    Type: Grant
    Filed: March 8, 1990
    Date of Patent: July 14, 1992
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Y. Fujita, Donald N. Schulz, Wai Y. Chow, Jacques Horrion, Trazollah Ouhadi, Richard G. Austin, Angelo A. Montagna, Kenneth O. McElrath, Jay D. Audett
  • Patent number: 5073597
    Abstract: A dynamically vulcanized alloy composition having improved tensile strength including a first butyl or halogenated butyl rubber-base elastomer and a second EPM and/or EPDM elastomer in a matrix of a crystalline polyolefinic resin, and processes for producing the improved composition.
    Type: Grant
    Filed: May 26, 1989
    Date of Patent: December 17, 1991
    Assignee: Advanced Elastomer Systems, L. P.
    Inventors: Robert C. Puydak, Donald R. Hazelton, Trazollah Ouhadi
  • Patent number: 5057238
    Abstract: A liquid heavy duty laundry detergent composition comprising a suspension of polyphosphate builder salt in liquid nonionic surfactant. To improve stability against settling on standing, the composition contains also a small amount of an acidic organic phosphorus compound having an acidic -POH group, such as a partial ester of phosphoric acid and an alkanol.
    Type: Grant
    Filed: May 18, 1988
    Date of Patent: October 15, 1991
    Assignee: Colgate-Palmolive Co.
    Inventors: Guy Broze, Trazollah Ouhadi
  • Patent number: 4891148
    Abstract: A low polyphosphate or a polyphosphate free liquid heavy duty laundry detergent composition comprising a suspension of an alkali metal alginic acid builder salt in liquid nonionic surfactant. The laundry detergent composition comprises a nonaqueous liquid nonionic surfactant containing a stable suspension of an alkali metal alginic acid builder salt.
    Type: Grant
    Filed: August 5, 1985
    Date of Patent: January 2, 1990
    Assignee: Colgate-Palmolive Company
    Inventors: Trazollah Ouhadi, Louis Dehan, Lucie Fellen
  • Patent number: 4871523
    Abstract: Solutions of VCl.sub.4 in inert organic solvent are stabilized by incorporation of decomposition retardants being halogenated organic compounds having at least two halogen atoms attached to the same carbon atom and activated by adjacent electron donor groups or carbon-carbon double bonds. One of the especially preferred stabilizers is butyl perchlorocrotonate. The solutions are useful in polymerization processes.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: October 3, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Sudhin Datta, Trazollah Ouhadi
  • Patent number: 4839084
    Abstract: A liquid heavy duty laundry detergent composition comprising a suspension of builder salt in liquid nonionic surfactant in which the pourability and physical stability of the composition is improved by the addition of small amounts of an alkaline earth metal or zinc salt of higher fatty acid, especially magnesium, calcium and zinc distearate. The yield stress is reduced and the pourability of the composition is improved especially at low concentrations of the alkaline earth metal or zinc salt.
    Type: Grant
    Filed: January 27, 1987
    Date of Patent: June 13, 1989
    Assignee: Colgate-Palmolive Company
    Inventors: Trazollah Ouhadi, Louis Dehan, Marie L. Rossi
  • Patent number: 4808387
    Abstract: Vanadium tetrachloride is stabilized by the addition of minor but stabilizing amounts of an acyl halide, benzoyl chloride being especially preferred. The vanadium tetrachloride may be dissolved in an inert organic solvent; hydrocarbons such as hexane are preferred. The stabilized vanadium tetrachloride may be utilized subsequently in polymerization processes.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: February 28, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Sudhin Datta, Trazollah Ouhadi
  • Patent number: 4800035
    Abstract: A liquid heavy duty laundry detergent composition comprising a suspension of polyphosphate builder salt in liquid nonionic surfactant. To improve stability against settling on standing, the composition contains also a small amount of an acidic organic phosphorus compound having an acidic --POH group, such as a partial ester of phosphoric acid and an alkanol.
    Type: Grant
    Filed: September 25, 1985
    Date of Patent: January 24, 1989
    Assignee: Colgate-Palmolive Company
    Inventors: Guy Broze, Trazollah Ouhadi
  • Patent number: 4781856
    Abstract: A low polyphosphate or a polyphosphate free liquid heavy duty laundry detergent composition comprising a suspension of an alkali metal carboxymethloxy succinic acid builder salt in liquid nonionic surfactant. The laundry detergent composition comprises a nonaqueous liquid nonionic surfactant containing a stable suspension of an alkali metal carboxymethyloxy succinic acid builder salt.
    Type: Grant
    Filed: August 5, 1985
    Date of Patent: November 1, 1988
    Assignee: Colagate-Palmolive Company
    Inventors: Trazollah Ouhadi, Louis Dehan
  • Patent number: 4769168
    Abstract: A low polyphosphate or a polyphosphate free liquid heavy duty laundry detergent composition comprising a suspension of an alkali metal salt of nitrilotriacetic acid (NTA) and zeolite detergent builders in liquid nonionic surfactant. The laundry detergent composition comprises a nonaqueous liquid nonionic surfactant containing a stable suspension of a mixture of an alkali metal salt of nitrilotriacetic acid (NTA) and zeolite builders.
    Type: Grant
    Filed: February 19, 1986
    Date of Patent: September 6, 1988
    Assignee: Colgate-Palmolive Company
    Inventors: Trazollah Ouhadi, Louis Dehan
  • Patent number: 4767824
    Abstract: This invention relates to a process for polymerizing acrylic monomers and possibly non-acrylic co-monomers by means of polymerization-initiating agents of the formula:R--M (I)in which M represents a metal selected among the alkaline and alkaline-earth metals and R represents an alkyl radical, which may have a straight or branched chain and contains 2 to 6 carbon atoms, or an aryl radical.The polymerization or copolymerization is effected in the presence of an additive consisting of a salt of an alkaline or alkaline-earth metal and of a mineral acid, such as lithium chloride.
    Type: Grant
    Filed: November 5, 1985
    Date of Patent: August 30, 1988
    Assignee: Compagnie Internationale de Participation
    Inventors: Trazollah Ouhadi, Rosalia Forte, Robert E. Jerome, Roger M. Fayt, Philippe J. Teyssie
  • Patent number: 4753750
    Abstract: A liquid heavy duty laundry detergent composition comprising a suspension of builder salt in liquid nonionic surfactant. To improve dispensibility in automatic washing machines, the composition contains as a viscosity and gel controlling agent an alkylene glycol monoalkyl ether, especially diethyleneglycol monobutyl ether.
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: June 28, 1988
    Assignee: Delaware
    Inventors: Trazollah Ouhadi, Guy Broze, Louis Dehan, Danielle Bastin
  • Patent number: 4690771
    Abstract: A polyphosphate free liquid heavy duty laundry detergent composition comprising a suspension of an alkali metal salt of nitrilotriacetic acid (NTA) and zeolite detergent builders in liquid nonionic surfactant. The laundry detergent composition comprises a nonaqueous liquid nonionic surfactant containing a stable suspension of a mixture of an alkali metal salt of nitrilotriacetic acid (NTA) and zeolite builders.
    Type: Grant
    Filed: August 5, 1985
    Date of Patent: September 1, 1987
    Assignee: Colgate-Palmolive Company
    Inventors: Trazollah Ouhadi, Louis Dehan
  • Patent number: 4661280
    Abstract: A liquid heavy duty laundry detergent composition comprising a suspension of builder salt in liquid nonionic surfactant in which the stability of the composition is improved by the addition of small amounts of an aluminum salt of higher fatty acid, especially aluminum tristearate. The yield stress of the compositions can be improved with the same or lower plastic viscosity, especially at low concentrations of the aluminum salt. The aluminum salts also exhibit an antifoaming effect and can be used to boost softening.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: April 28, 1987
    Assignee: Colgate
    Inventors: Trazollah Ouhadi, Guy Broze, Louis Dehan, Daniel van de Gaer
  • Patent number: 4655954
    Abstract: A low polyphosphate or a polyphosphate free liquid heavy duty laundry detergent composition comprising a suspension of an alkali metal polyacetal carboxylic acid builder salt in liquid nonionic surfactant. The laundry detergent composition comprises a nonaqueous liquid nonionic surfactant containing a stable suspension of an alkali metal polyacetal carboxylic acid builder salt.
    Type: Grant
    Filed: August 20, 1985
    Date of Patent: April 7, 1987
    Assignee: Colgate-Palmolive Company
    Inventors: Guy Broze, Danielle Bastin, Leo Laitem, Trazollah Ouhadi
  • Patent number: 4647393
    Abstract: A low polyphosphate or a polyphosphate free liquid heavy duty laundry detergent composition comprising a suspension of an alkali metal heptonic acid builder salt in liquid nonionic surfactant. The laundry detergent composition comprises a nonaqueous liquid nonionic surfactant containing a stable suspension of an alkali metal heptonic acid builder salt.
    Type: Grant
    Filed: August 5, 1985
    Date of Patent: March 3, 1987
    Assignee: Colgate-Palmolive Company
    Inventors: Trazollah Ouhadi, Louis Dehan, Lucie Fellen
  • Patent number: 4461874
    Abstract: Block copolymers having a first sequence formed with a conjugated diene or a vinyl substituted aromatic hydrocarbon other than alpha-methylstyrene, a second sequence formed with an acrylic ester, and a linking intermediate sequence formed with alpha-methylstyrene. An anionic polymerization process is used to form these block copolymers.
    Type: Grant
    Filed: October 1, 1982
    Date of Patent: July 24, 1984
    Assignee: Cosden Technology, Inc.
    Inventors: Philippe Teyssie, Robert Jerome, Trazollah Ouhadi, Roger Fayt