Patents by Inventor Gyorgyi Fenyvesi

Gyorgyi Fenyvesi 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).

  • Publication number: 20130220663
    Abstract: The present invention is directed to a multilayer structure comprising: (a) a first layer containing polyester and cellulose wherein (i) the polyester is present in an amount of 0 to 50 weight percent floc and 50 to 100 weight percent fibrid, (ii) the cellulose is present in the form of cellulosic pulp fiber and; (iii) the polyester is present in an amount of 0.5 to 75 weight percent and the cellulose is present in an amount of 25 to 99 weight percent, said percentages on the basis of the polyester and cellulose and; (b) a second layer containing cellulosic pulp fiber with the proviso that the second layer does not contain polyester. The first layer may further comprise an aramid. The multilayer structure is particularly useful in a transformer.
    Type: Application
    Filed: August 27, 2012
    Publication date: August 29, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: SERGE REBOUILLAT, BYOUNG SAM KANG, GYORGYI FENYVESI
  • Patent number: 8486458
    Abstract: Provided are methods for extracting flavor and fragrance materials from natural plant materials, using poly(trimethylene ether) glycol homopolymers and copolymers. The poly(trimethylene ether) glycol homopolymers and copolymers act as solubilizers for essential oils, and can be used to provide compositions having a variety of uses in applications such as cosmetics, personal care products, and industrial cleaning products.
    Type: Grant
    Filed: November 3, 2010
    Date of Patent: July 16, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Gyorgyi Fenyvesi, Raja Hari Poladi, Hari Babu Sunkara
  • Patent number: 8436046
    Abstract: Biodegradable detergent compositions comprising 1,3-propanediol are provided, and the 1,3-propanediol in the composition is biologically derived. The compositions exhibit a lower anthropogenic CO2 emission profile. Also provided are biodegradable detergent compositions comprising an ester of 1,3-propanediol. In these compositions, the ester can have at least 3% biobased carbon.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: May 7, 2013
    Assignee: DuPont Tate & Lyle Bio Products Company, LLC
    Inventors: Gyorgyi Fenyvesi, Melissa Joerger, Robert Miller, Raja Hari Poladi, Ann Wehner
  • Publication number: 20130071535
    Abstract: Disclosed herein are food and flavorant compositions comprising 1,3-propanediol, wherein the 1,3-propanediol in said compositions has a bio-based carbon content of about 1% to 100%. In addition, it is preferred that the 1,3-propanediol be biologically-derived, and wherein upon biodegradation, the biologically-derived 1,3-propanediol contributes no anthropogenic CO2 emissions to the atmosphere.
    Type: Application
    Filed: March 7, 2012
    Publication date: March 21, 2013
    Applicant: DuPont Tate & Lyle Bio Products Company, LLC
    Inventors: Gyorgyi Fenyvesi, Melissa Joerger, Robert Miller, Ann Wehner
  • Patent number: 8362291
    Abstract: Novel (meth)acrylic ester of poly(trimethylene ether) glycol compositions are provided. The compositions comprise an ester (a monoester, a diester or mixtures thereof) of a polytrimethylene ether glycol and at least one polymerization inhibitor.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: January 29, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Gyorgyi Fenyvesi, Raja Hari Poladi, Hari Babu Sunkara
  • Publication number: 20120322907
    Abstract: Disclosed is branched poly(trimethylene ether) polyols prepared from the acid catalyzed polycondensation reaction of 1,3-propanediol, and at least one triol comonomer selected from 1,1,1-tris(hydroxymethyl) ethane and 1,1,1-tris(hydroxymethyl) propane. Also disclosed is a branched poly(trimethylene ether) polyol with an equivalent hydroxyl functionality of about 2.1 to about 3.2 and a Mn of about 200 to about 6000. The polyols are useful in the preparation of polyurethane rigid and flexible foams.
    Type: Application
    Filed: August 31, 2012
    Publication date: December 20, 2012
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: GYORGYI FENYVESI, Raja Hari Poladi, Hari Babu Sunkara
  • Patent number: 8309116
    Abstract: Personal care compositions comprising esters of 1,3-propanediol and acceptable carriers are provided. The esters can have at least 3% biobased carbon, and the compositions can further comprise 1,3-propanediol that is biologically-derived. Also provided are processes for producing personal care compositions comprising esters of 1,3-propanediol and acceptable carriers. The processes comprise providing biologically produced 1,3-propanediol, contacting the 1,3-propanediol with organic acids, which produces the esters, recovering the esters, and incorporating the esters into personal care formulations. Also provided are processes of making a personal care composition comprising providing an ester of 1,3 propanediol and mixing the ester with an acceptable carrier to form a personal care composition.
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: November 13, 2012
    Assignee: DuPont Tate & Lyle Bio Products Company, LLC
    Inventors: Gyorgyi Fenyvesi, Ann Wehner, Melissa Joerger, Raja Hari Prasad R. Poladi
  • Publication number: 20120225964
    Abstract: Disclosed is branched poly(trimethylene ether)polyols prepared from the acid catalyzed polycondensation reaction of 1,3-propanediol, and at least one triol comonomer selected from 1,1,1-tris(hydroxymethyl)ethane and 1,1,1-tris(hydroxymethyl)propane. Also disclosed is a branched poly(trimethylene ether)polyol with an equivalent hydroxyl functionality of about 2.1 to about 3.2 and a Mn of about 200 to about 6000. The polyols are useful in the preparation of polyurethane rigid and flexible foams.
    Type: Application
    Filed: August 29, 2011
    Publication date: September 6, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Gyorgyi Fenyvesi, Raja Hari Poladi, Hari Babu Sunkara
  • Patent number: 8207372
    Abstract: Processes are provided for producing novel (meth)acrylic esters of poly(trimethylene ether) glycol. The processes include reacting poly(trimethylene ether) glycol with (meth)acrylic acid or equivalents thereof.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: June 26, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Gyorgyi Fenyvesi, Raja Hari Poladi, Hari Babu Sunkara
  • Patent number: 8198360
    Abstract: Processes and products utilizing (meth)acrylic esters of poly(trimethylene ether) glycol are provided. Products that can be made include ceramic materials, personal care products, inks, coatings, fabrics, and other articles that can be made from reaction products of (meth)acrylic ester of poly(trimethylene ether) glycol with certain monomers.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: June 12, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Gyorgyi Fenyvesi, Raja Hari Poladi, Hari Babu Sunkara
  • Publication number: 20120071390
    Abstract: Biodegradable detergent compositions comprising 1,3-propanediol are provided, and the 1,3-propanediol in the composition is biologically derived. The compositions exhibit a lower anthropogenic CO2 emission profile. Also provided are biodegradable detergent compositions comprising an ester of 1,3-propanediol. In these compositions, the ester can have at least 3% biobased carbon.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 22, 2012
    Inventors: Gyorgyi Fenyvesi, Melissa Joerger, Robert Miller, Raja Hari Poladi, Ann Wehner
  • Patent number: 8058326
    Abstract: Fluorescent poly(alkylene terephthalate) compositions are provided. The fluorescent poly(alkylene terephthalate) compositions contain fluorescent poly(alkylene terephthalate)s and are made from fluorescent compounds and poly(alkylene terephthalate) oligomers, or by polymerizing amine and acid monomers in the presence of fluorescent compounds.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: November 15, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Gyorgyi Fenyvesi, Joseph V. Kurian
  • Publication number: 20110274630
    Abstract: Provided are methods for extracting flavor and fragrance materials from natural plant materials, using poly(trimethylene ether) glycol homopolymers and copolymers. The poly(trimethylene ether) glycol homopolymers and copolymers act as solubilizers for essential oils, and can be used to provide compositions having a variety of uses in applications such as cosmetics, personal care products, and industrial cleaning products.
    Type: Application
    Filed: November 3, 2010
    Publication date: November 10, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Gyorgyi Fenyvesi, Raja Hari Poladi, Hari Babu Sunkara
  • Patent number: 8048920
    Abstract: Biodegradable personal care compositions comprising 1,3-propanediol are provided, and the 1,3-propanediol in the composition is biologically derived. The compositions exhibit a lower anthropogenic CO2 emission profile. Also provided are biodegradable personal care compositions comprising an ester of 1,3-propanediol. In these compositions, the ester can have at least 3% biobased carbon.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: November 1, 2011
    Assignee: DuPont Tate & Lyle Bio Products Company, LLC
    Inventors: Melissa Joerger, Gyorgyi Fenyvesi, Raja Hari Poladi, Ann Wehner, Irwin A. Palefsky
  • Publication number: 20110224307
    Abstract: Disclosed are antimicrobial compositions, and methods for killing, inhibiting, or preventing the growth of microbes, using trimethylene glycol oligomers or dimers. The trimethylene glycol oligomers and dimers have the formula R(CH2CH2CH2—O—CH2CH2CH2)nR1 where R and R1 are hydroxyl, amine, or ester functionalitiess, and n is 2 or higher.
    Type: Application
    Filed: March 14, 2011
    Publication date: September 15, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Gyorgyi Fenyvesi, Hari Babu Sunkara
  • Patent number: 7988883
    Abstract: Disclosed herein are heat transfer and antifreeze compositions comprising 1,3-propanediol, wherein the 1,3-propanediol in said heat transfer or antifreeze composition has a bio-based carbon content of about 1% to 100%. In addition, it is preferred that the 1,3-propanediol be biologically-derived, and wherein upon biodegradation, the biologically-derived 1,3-propanediol contributes no anthropogenic CO2 emissions to the atmosphere.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: August 2, 2011
    Assignee: DuPont Tate & Lyle Bio Products Company, LLC
    Inventors: Ann Wehner, Robert Miller, Gyorgyi Fenyvesi, Joseph W. DeSalvo, Melissa Joerger
  • Patent number: 7972530
    Abstract: Disclosed herein are deicing and anti-icing compositions comprising 1,3-propanediol, wherein the 1,3-propanediol in said deicing or anti-icing composition has a bio-based carbon content of about 1% to 100%. In addition, it is preferred that the 1,3-propanediol be biologically-derived, and wherein upon biodegradation, the biologically-derived 1,3-propanediol contributes no anthropogenic CO2 emissions to the atmosphere.
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: July 5, 2011
    Assignee: DuPont Tate & Lyle Bio Products Company, LLC
    Inventors: Ann Wehner, Gyorgyi Fenyvesi, Robert Miller, Joseph W. DeSalvo, Melissa Joerger
  • Patent number: 7960575
    Abstract: A process for forming an ester from 1,3-propanediol comprising providing 1,3-propanediol with at least 90% biobased carbon, contacting the 1,3-propanediol with an acid, thereby forming the ester, and recovering the ester is provided. The acid can be an organic acid. Additionally, a process for producing an ester, either or both a monoester and a diester, from biologically-produced 1,3-propanediol is provided. This process includes providing 1,3-propanediol produced biologically through fermentation and catalytic conversion of atmospheric carbon, contacting the 1,3-propanediol with an organic acid, wherein said ester is produced; and recovering the ester. In this process the 1,3-propanediol can have has at least 95% biobased carbon, or can have 100% biobased carbon.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: June 14, 2011
    Assignee: DuPont Tate & Lyle Bio Products Company, LLC
    Inventors: Gyorgyi Fenyvesi, Raja Hari Prasad R. Poladi
  • Publication number: 20100261932
    Abstract: Disclosed are processes for making polytrimethylene ether glycol esters that are substantially free of residues from the catalyst used to produce the polytrimethylene ether glycol esters.
    Type: Application
    Filed: June 23, 2010
    Publication date: October 14, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Hari Babu Sunkara, Raja Hari Prasad R. Poladi, Gyorgyi Fenyvesi
  • Publication number: 20100233300
    Abstract: Compositions comprising 1,3-propanediol and an extraction product are provided, and the 1,3-propanediol in the composition is biologically derived. Also provided are processes for extracting an extract from a source. These processes comprise providing an ester of 1,3-propanediol and mixing the 1,3-propanediol ester with the source. This serves to extract the extract from the source into the ester. The processes also include separating the source from the ester and extract. Also provided are compositions comprising an ester of 1,3-propanediol and an extraction product. In these compositions, the ester can have at least 3% biobased carbon.
    Type: Application
    Filed: May 25, 2010
    Publication date: September 16, 2010
    Inventors: Melissa Joerger, Gyorgyi Fenyvesi, Raja Hari Prasad R. Poladi, Robert Miller