Patents by Inventor Frank J. Liotta, Jr.

Frank J. Liotta, Jr. 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).

  • Drycleaning method
    Patent number: 7575604
    Abstract: A drycleaning method is disclosed. The method uses a composition comprising 30 to 90 wt. % of a dipropylene glycol C3-C4 alkyl ether, 5 to 65 wt. % of one or more C10-C15 hydrocarbons, and 1 to 10 wt. % of water. The method combines acceptable stain removal with faster-than-expected evaporability, particularly at the elevated temperatures used in commercial drycleaning.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: August 18, 2009
    Assignee: Lyondell Chemical Technology, L.P.
    Inventors: Paul E. Galick, Frank J. Liotta, Jr., Mark A. Liepa
  • Gypsum composition
    Patent number: 7393424
    Abstract: A gypsum composition comprising water, stucco, clay, an amine compound, a polyoxyalkylene, and a comb-branched copolymer is disclosed. The gypsum composition has improved fluidity. A method for preparing the gypsum composition is also disclosed. The method comprises mixing the components to form a slurry, casting the slurry into a product, and drying the product.
    Type: Grant
    Filed: May 16, 2007
    Date of Patent: July 1, 2008
    Assignee: Lyondell Chemical Technology, L.P.
    Inventors: Steven A. Schwartz, Sallie J. Lee, Frank J. Liotta, Jr., Robert M. Arrell
  • Gypsum composition
    Patent number: 7261772
    Abstract: A gypsum composition comprising water, stucco, clay, an amine compound, a polyoxyalkylene, and a comb-branched copolymer is disclosed. The gypsum composition has improved fluidity. A method for preparing the gypsum composition is also disclosed. The method comprises mixing the components to form a slurry, casting the slurry into a product, and drying the product.
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: August 28, 2007
    Assignee: Lyondell Chemical Technology, L.P.
    Inventors: Steven A. Schwartz, Sallie J. Lee, Frank J. Liotta, Jr., Robert M. Arrell
  • Preparation of comb-branched polymers
    Patent number: 7232875
    Abstract: A comb-branched polymer is disclosed. The polymer comprises recurring units of an unsaturated carboxylic monomer, an oxypropylene-rich poly(oxyethylene-oxypropylene) macromonomer and an oxyethylene-rich poly(oxyethylene-oxypropylene) macromonomer. The comb-branched polymer can be used as a water reducing agent in cement. It gives significantly lower air entrainment in cement admixture.
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: June 19, 2007
    Assignee: Lyondell Chemical Technology, L.P.
    Inventors: Frank J. Liotta, Jr., Edward T. Shawl
  • Preparation of gypsum compositions
    Patent number: 7070648
    Abstract: A gypsum composition containing a sulfonate-containing comb-branched copolymer is disclosed. The sulfonate-containing comb-branched copolymer comprises recurring units of a polyether macromonomer, an acrylic monomer, and a sulfonate monomer. The sulfonate-containing comb-branched copolymer not only increases the fluidity of gypsum slurry but also has reduced retardation on the gypsum setting.
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: July 4, 2006
    Assignee: Lyondell Chemical Technology, L.P.
    Inventors: Steven A. Schwartz, Frank J. Liotta, Jr., Edward A. Barsa
  • Solid supported comb-branched copolymers as an additive for gypsum compositions
    Patent number: 6869988
    Abstract: A gypsum composition suitable for use in the manufacture of gypsum products is provided. The gypsum composition includes gypsum, water, and a solid dispersant comprising a supported acrylic/polyether comb-branched copolymer. A method of making a gypsum composition is also provided. The method includes mixing together, in any combination, gypsum, water, and a solid dispersant comprising a supported acrylic/polyether comb-branched copolymer.
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: March 22, 2005
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Steven A. Schwartz, Frank J. Liotta, Jr.
  • Supported carbonic acid esters useful as set accelerators and thixotropic agents in cement
    Patent number: 6264737
    Abstract: Cementitious compositions are prepared using a dry, flowable admixture containing an ester of carbonic acid such as propylene carbonate and a solid, particulate support which is non-reactive toward the ester such as silica fume. Such admixtures accelerate the set and increase the thixotropy of unhardened mixtures containing hydraulic cement and water, yet can be readily handled and stored in stable form until ready to be used.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: July 24, 2001
    Assignee: Arco Chemical Technolgy, L.P.
    Inventors: Frank J. Liotta, Jr., Steven A. Schwartz
  • Diesel fuel
    Patent number: 5425790
    Abstract: The present invention relates to a low sulfur diesel fuel which contains a propylene, butylene or ethylene glycol monoalkyl ether or polyol in amount sufficient to reduce particulate matter emissions.
    Type: Grant
    Filed: February 3, 1994
    Date of Patent: June 20, 1995
    Assignee: ARCO Chemical Technology, L.P.
    Inventors: Frank J. Liotta, Jr., David C. Dehm
  • Preparation of dialkyl peroxides
    Patent number: 5420357
    Abstract: The present invention provides a process for the production of dialkyl peroxides by reaction of an alcohol and/or an olefin with an organic hydroperoxide, using a solid acidic zeolite catalyst.
    Type: Grant
    Filed: August 4, 1993
    Date of Patent: May 30, 1995
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Mahmoud K. Faraj, Frank J. Liotta, Jr., Haven S. Kesling, Jr.
  • Polyvinyl acetal resins based on hydroxyaldehydes and use of the resins in laminar structures
    Patent number: 5380597
    Abstract: Plasticized polyvinyl acetal resins based on 4-hydroxybutanal are disclosed. Laminar structures that include the resins, a process for making the resins, and a process for making an internally plasticized polyvinyl acetal resin by esterification, are also revealed.
    Type: Grant
    Filed: May 3, 1994
    Date of Patent: January 10, 1995
    Assignee: Arco Chemical Technology L.P.
    Inventors: Jeffrey A. Klang, Michael J. Cannarsa, Frank J. Liotta, Jr., Scott E. Smyth
  • Preparation of dialkyl peroxides
    Patent number: 5371298
    Abstract: The present invention provides a process the production of dialkyl peroxides by reaction of an alcohol and/or an olefin with an organic hydroperoxide, using an acidic resin catalyst, especially a highly cross-linked hydrophobic acidic resin catalyst.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: December 6, 1994
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Daniel B. Pourreau, Haven S. Kesling, Jr., Frank J. Liotta, Jr., Jeffrey M. McFarland
  • Polyvinyl acetal resins based on hydroxyaldehydes and use of the resins in laminar structures
    Patent number: 5332774
    Abstract: Plasticized polyvinyl acetal resins based on 4-hydroxybutanal are disclosed. Laminar structures that include the resins, a process for making the resins, and a process for making an internally plasticized polyvinyl acetal resin by esterification, are also revealed.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: July 26, 1994
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Jeffrey A. Klang, Michael J. Cannarsa, Frank J. Liotta, Jr., Scott E. Smyth
  • Diesel fuel
    Patent number: 5314511
    Abstract: The present invention relates to a diesel fuel which contains a synergistic combination of an organic peroxidic additive such as ditertiary butyl peroxide in combination with a propylene or butylene glycol monoalkyl ether or polyol, the combination of additives providing for reduced fuel emissions and improved fuel economy.
    Type: Grant
    Filed: December 23, 1992
    Date of Patent: May 24, 1994
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Frank J. Liotta, Jr., Haven S. Kesling, Jr.
  • Integrated process for the production of ditertiary butyl peroxide
    Patent number: 5312998
    Abstract: An integrate process is provided for the production of ditertiary butyl peroxide wherein isobutane oxidate containing tertiary butyl alcohol and tertiary butyl hydroperoxide is reacted in the presence of an aqueous acidic catalyst, the reaction mixture is phase separated, the aqueous catalyst is recovered and recycled, and the product peroxide is recovered from the organic phase by water extraction.
    Type: Grant
    Filed: June 10, 1993
    Date of Patent: May 17, 1994
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Frank J. Liotta, Jr., Mahmoud K. Faraj, Daniel B. Pourreau, Haven S. Kesling, Jr.
  • Diesel fuel
    Patent number: 5308365
    Abstract: The present invention relates to a low sulfur diesel fuel which contains a dialkyl and a trialkyl derivative of glycerol in amount sufficient to reduce particulate matter emissions.
    Type: Grant
    Filed: August 31, 1993
    Date of Patent: May 3, 1994
    Assignee: ARCO Chemical Technology, L.P.
    Inventors: Haven S. Kesling, Jr., Lawrence J. Karas, Frank J. Liotta, Jr.
  • Diesel fuel composition
    Patent number: 5258049
    Abstract: The invention relates to diesel fuel containing the nitric acid ester of 1-phenyl ethanol as cetane improver.
    Type: Grant
    Filed: February 17, 1993
    Date of Patent: November 2, 1993
    Assignee: ARCO Chemical Technology, L.P.
    Inventors: Frank J. Liotta, Jr., John A. Sofranko, Lawrence J. Karas
  • Process for the preparation of unsymmetric dialkyl carbonates
    Patent number: 5206408
    Abstract: Basic cesium compounds are effective transesterification catalysts for the conversion of symmetric dialkyl carbonates to unsymmetric dialkyl carbonates. Crown ethers, polyalkylene glycols, and polyalkylene glycol ethers are useful cocatalysts for the process. Methyl tert-butyl carbonate and methyl tertamyl carbonate, useful octane enhancers for gasoline, can be prepared using the process.
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: April 27, 1993
    Assignee: Arco Chemical Technology, L.P.
    Inventor: Frank J. Liotta, Jr.
  • Preparation of tetrahydrofuran using a supported transition metal
    Patent number: 5166370
    Abstract: A process for producing tetrahydrofuran, 1,4-butanediol, and 2-methyl-1,3,-propanediol is disclosed. A mixture containing 4-hydroxybutanal and 3-hydroxy-2-methylpropanal is hydrogenated in the presence of a transition metal supported on a weakly acidic ion-exchange resin or zeolite-type material to give tetrahydrofuran as the major product, and 1,4-butanediol and 2-methyl-1,3-propanediol as minor products. High yields of 2-methyl-1,3-propanediol can be obtained.
    Type: Grant
    Filed: April 12, 1991
    Date of Patent: November 24, 1992
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Frank J. Liotta, Jr., Haven S. Kesling, Jr., Rangasamy Pitchai
  • Preparation of methylene diphenylene diisocyanates and polymethylene polyphenylene poly (isocyanates) using an organic sulfonic acid promoter
    Patent number: 4978779
    Abstract: An improved process is provided for the preparation of methylene diphenylene diisocyanates (MDI) and polymethylene polyphenylene poly (isocyanates) (PMDI) by the thermal decomposition of a methylene diphenylene bis (dialkylurea) or a polymethylene polyphenylene poly (alkylurea) in a solvent in the presence of an organic sulfonic acid or sulfonated aromatic ion exchange resin as a promoter for conversion of the urea groups to the corresponding isocyanate.
    Type: Grant
    Filed: March 9, 1989
    Date of Patent: December 18, 1990
    Assignee: Arco Chemical Technology, Inc.
    Inventors: Edward T. Shawl, Haven S. Kesling, Jr., Frank J. Liotta, Jr.
  • Process for the preparation of aromatic isocyanates from dialkyl ureas using an organic sulfonic acid promoter
    Patent number: 4883908
    Abstract: An improved process is provided for the preparation of aromatic mono- and poly-isocyanates by the thermal decomposition of an aromatic bis dialkyl urea in solvent in the presence of an organic sulfonic acid or sulfonated aromatic ion exchange resin as a promoter for conversion of the urea groups to isocyanates.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: November 28, 1989
    Assignee: Arco Chemical Technology, Inc.
    Inventors: Edward T. Shawl, Haven S. Kesling, Jr., Frank J. Liotta, Jr.