Patents by Inventor Joseph V. Kurian

Joseph V. Kurian 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: 7396896
    Abstract: Poly(trimethylene dicarboxylate) prepared by polycondensation of: (a) 1,3-propanediol; (b) aliphatic or aromatic diacid or diester; and (c) from about 0.01 to about 0.2 mole %, based on the total number of moles of 1,3-propanediol and diacid or ester, of polyfunctional reactant containing three or more carboxylic acid type groups or hydroxy groups. Shaped articles, including bottles, are made from the poly(trimethylene dicarboxylate).
    Type: Grant
    Filed: August 9, 2005
    Date of Patent: July 8, 2008
    Assignee: E.I. Dupont De Nemours and Company
    Inventor: Joseph V. Kurian
  • Publication number: 20080143009
    Abstract: A bicomponent fiber wherein (a) the first component comprises from about 90 to 100 wt. % poly(trimethylene terephthalate) and (b) the second component is a polymer composition comprising (i) poly(trimethylene terephthalate) and (ii) polymer containing polyalkylene ether repeating units. Yarn, fiber, fabrics and carpets comprising the bicomponent fiber, as well as the process of making the bicomponent fiber, yarn, fabric, and carpet.
    Type: Application
    Filed: February 21, 2008
    Publication date: June 19, 2008
    Inventors: Joseph V. Kurian, Gyorgyi Fenyvesi, Hari Babu Sunkara
  • Patent number: 7357985
    Abstract: A bicomponent fiber wherein (a) the first component comprises from about 90 to 100 wt. % poly(trimethylene terephthalate) and (b) the second component is a polymer composition comprising (i) poly(trimethylene terephthalate) and (ii) polymer containing polyalkylene ether repeating units. Yarn, fiber, fabrics and carpets comprising the bicomponent fiber, as well as the process of making the bicomponent fiber, yarn, fabric, and carpet.
    Type: Grant
    Filed: September 19, 2005
    Date of Patent: April 15, 2008
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Joseph V. Kurian, Gyorgyi Fenyvesi, Hari Babu Sunkara
  • Patent number: 7282159
    Abstract: Heat transfer fluids comprising a polytrimethylene ether glycol or random polytrimethylene ether ester glycol, or mixtures thereof, and processes of using them in order to transfer heat.
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: October 16, 2007
    Assignee: E.I. dupont de Nemours and Company
    Inventors: Hari Babu Sunkara, Joseph V. Kurian
  • Patent number: 7268182
    Abstract: A coating composition comprising a film forming binder of a. at least one polymer that has pendant groups, such as, hydroxyl, carboxyl, glycidyl, amine, amide, silane and mixtures thereof that are reactive with a crosslinking component and the polymer has a glass transition temperature (Tg) of 10 to 80° C.; b. a polytrimethylene ether diol having a Mn (number average molecular weight) of 500 to 5,000; and c. a crosslinking component, such as, organic polyisocyanates, melamine formaldehydes, alkylated melamine formaldehydes, benzoquanamine formaldehyde, urea formaldehyde, polyepoxides, silane resin and any mixtures thereof; wherein the coating composition can be used as a clear coating composition and can contain pigments and may be used as a pigmented top coating, a pigmented base coating, a primer or primer surfacer coating and is useful for coating automobile and truck bodies and parts, industrial equipment, appliances and exterior structures.
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: September 11, 2007
    Assignee: E. I. du Pont de Nemours & Company
    Inventors: Hari Babu Sunkara, Patricia Mary Ellen Sormani, James William O'Neil, Joseph V. Kurian
  • Patent number: 7169475
    Abstract: A coating composition comprising a film forming binder of a. an acrylic polymer having pendant groups that are reactive with isocyanate moieties and having a glass transition temperature (Tg) of 10 to 80° C.; b. a polytrimethylene ether diol having a Mn (number average molecular weight) of 500 to 5,000; and c. an organic polyisocyanate crosslinking agent; ?wherein the coating composition contains pigments and cures at ambient temperatures or elevated temperatures and forms a coating that is sandable and when used in combination with a top coat, for example, a colored base coat and clear coat or a pigmented mono-coat forms a chip resistant multi-layer coating useful for refinishing or repairing automotive and truck bodies and parts the coating composition can be used as an exterior clear coating composition primarily for automobiles, trucks and parts thereof.
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: January 30, 2007
    Assignee: E. I. du Pont de Nemours & Company
    Inventors: Patricia Mary Ellen Sormani, Hari Babu Sunkara, James William O'Neil, Joseph V. Kurian, Gia Huynh-Ba
  • Patent number: 7052764
    Abstract: A shaped article comprising poly[(trimethylene-co-dianhydrosugar ester) dicarboxylate] or poly(trimethylene-co-dianhydro-dicarboxylate having improved stability in the form of less change of Tg and reduced shrinkage upon storage at elevated temperature is disclosed.
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: May 30, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Jing-Chung Chang, Joseph V. Kurian
  • Patent number: 7033530
    Abstract: A side-by-side or eccentric sheath-core bicomponent fiber wherein each component comprises a different poly(trimethylene terephthalate) composition and wherein at least one of the compositions comprises styrene polymer dispersed throughout the poly(trimethylene terephthalate), and preparation and use thereof.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: April 25, 2006
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Jing C. Chang, Joseph V. Kurian, Ray W. Miller
  • Patent number: 7011885
    Abstract: Highly crimped, fully drawn bicomponent fibers, prepared by melt-spinning, followed by gas-flow quenching, heat treatment and high speed windup, are provided, as are fine-decitex and highly uniform polyester bicomponent fibers.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: March 14, 2006
    Assignee: INVISTA North America S.à.r.l.
    Inventors: Jing Chung Chang, Joseph V. Kurian, Young D. Nguyen, James E. Van Trump, George Vassilatos
  • Patent number: 6967057
    Abstract: A process for preparing poly(trimethylene terephthalate) fibers including (a) providing a poly(trimethylene terephthalate) composition comprising about 0.05 to about 10 weight % ionomer and (b) spinning the polymer composition to form fibers. In addition, a poly(trimethylene terephthalate) fiber including poly(trimethylene terephthalate) with about 0.1 to about 10 weight % ionomer dispersed throughout the poly(trimethylene terephthalate), and use thereof in yarns, fabrics, and carpets, as well as the yarns, fibers and fabrics.
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: November 22, 2005
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Jing C. Chang, Joseph V. Kurian, Sam Louis Samuels
  • Patent number: 6923925
    Abstract: A process for preparing poly(trimethylene dicarboxylate) multifilament yarns and monofilaments. One process for preparing poly(trimethylene dicarboxylate) multifilament yarns includes (a) providing a polymer blend including poly(trimethylene dicarboxylate) and about 0.1 to about 10 weight % styrene polymer, by weight of the polymer in the polymer blend, (b) spinning the polymer blend to form poly(trimethylene dicarboxylate) multiconstituent filaments containing dispersed styrene polymer, and (c) processing the multiconstituent filaments into poly(trimethylene dicarboxylate) multifilament yarn including poly(trimethylene dicarboxylate) multiconstituent filaments containing styrene polymer dispersed throughout the filaments. Another process includes spinning at a speed of at least 3,000 m/m and processing a blend including poly(trimethylene dicarboxylate) to form partially oriented poly(trimethylene dicarboxylate) multifilament yarn.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: August 2, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Jing C. Chang, Joseph V. Kurian, Shekhar Subramoney
  • Patent number: 6921803
    Abstract: A process for preparing poly(trimethylene terephthalate) fibers comprising (a) providing a poly(trimethylene terephthalate) composition comprising about 0.05 to about 5 mole % tetramethylene terephthalate repeat units and (b) spinning the polymer composition to form fibers. Poly(trimethylene terephthalate) fiber comprising poly(trimethylene terephthalate) composition comprising about 0.05 to about 5 mole % tetramethylene terephthalate repeat units, as well as yarns, fabrics (e.g., woven, knitted, and nonwoven fabrics) and carpets. A poly(trimethylene terephthalate) composition comprising about 0.05 to about 5 mole % tetramethylene terephthalate repeat units.
    Type: Grant
    Filed: July 11, 2002
    Date of Patent: July 26, 2005
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Jing C. Chang, Joseph V. Kurian
  • Patent number: 6902802
    Abstract: The present invention provides a heat-sealable polyester composition having an amorphous processing window ranging from a Tg in the range of about 40° C. to about 70° C., to a Tcg in the range of about 70° C. to about 150° C. The composition preferably contains a mixture of poly(ethylene terephthalate) homopolymer or copolymer and poly(trimethylene terephthalate) homopolymer or copolymer, either as a physical blend or as a copolyester oligomer or polymer prepared from the respective monomers. The resulting composition is heat-sealable at low temperatures, retains barrier properties and is non-flavor-scalping.
    Type: Grant
    Filed: August 15, 2003
    Date of Patent: June 7, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Joseph V. Kurian, Diane M. Hahm, Benjamin A. Smillie
  • Patent number: 6875514
    Abstract: A coating composition comprising a film forming binder of a. an acrylic polymer having pendant groups that are reactive with isocyanate moieties and having a glass transition temperature (Tg) of 10 to 80°C.; b. a polytrimethylene ether diol having a Mn (number average molecular weight) of 500 to 5,000; and c. an organic polyisocyanate crosslinking agent; wherein the coating composition contains pigments and cures at ambient temperatures or elevated temperatures and forms a coating that is sandable and when used in combination with a top coat, for example, a colored base coat and clear coat or a pigmented mono-coat forms a chip resistant multi-layer coating useful for refinishing or repairing automotive and truck bodies and parts.
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: April 5, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Patricia Mary Ellen Sormani, Hari Babu Sunkara, James William O'Neil, Joseph V. Kurian
  • Patent number: 6841245
    Abstract: Highly crimped, fully drawn bicomponent fibers, prepared by melt-spinning, followed by gas-flow quenching, heat treatment and high speed windup, are provided, as are fine-decitex and highly uniform polyester bicomponent fibers.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: January 11, 2005
    Assignee: Invista North America S.A.R.L.
    Inventors: Jing Chung Chang, Joseph V. Kurian, Young D. Nguyen, James E. Van Trump, George Vassilatos
  • Publication number: 20040258923
    Abstract: A coating composition comprising a film forming binder of
    Type: Application
    Filed: March 19, 2004
    Publication date: December 23, 2004
    Inventors: Patricia Mary Ellen Sormani, Hari Babu Sunkara, James William O'Neil, Joseph V. Kurian, Gia Huynh-Ba
  • Publication number: 20040249061
    Abstract: A coating composition comprising a film forming binder of
    Type: Application
    Filed: March 19, 2004
    Publication date: December 9, 2004
    Inventors: Hari Babu Sunkara, Patricia Mary Ellen Sormani, James William O'Neil, Joseph V. Kurian
  • Publication number: 20040222154
    Abstract: This invention relates to an improved process for rendering non-aqueous waste streams that contain aldehydes and ketones, in particular, alpha, beta-ethylenically unsaturated aldehydes and ketones, non-toxic to biological treatment systems by contacting the waste streams with organic monoamines, organic polyamines and/or ammonium compounds at essentially ambient conditions.
    Type: Application
    Filed: May 8, 2003
    Publication date: November 11, 2004
    Applicant: E.I.du Pont de Nemours & Company
    Inventors: Joseph V. Kurian, Yuanfeng Liang
  • Publication number: 20040191513
    Abstract: Highly crimped, fully drawn bicomponent fibers, prepared by melt-spinning, followed by gas-flow quenching, heat treatment and high speed windup, are provided, as are fine-decitex and highly uniform polyester bicomponent fibers.
    Type: Application
    Filed: December 22, 2003
    Publication date: September 30, 2004
    Inventors: Jing Chung Chang, Joseph V. Kurian, Young D. Nguyen, James E. Van Trump, George Vassilatos
  • Publication number: 20040185263
    Abstract: A coating composition comprising a film forming binder of
    Type: Application
    Filed: March 21, 2003
    Publication date: September 23, 2004
    Inventors: Patricia Mary Ellen Sormani, Hari Babu Sunkara, James William O'Neil, Joseph V. Kurian