Patents by Inventor Derek Pakenham

Derek Pakenham 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: 8501865
    Abstract: A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C5-C42)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl-polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C1-C6)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: August 6, 2013
    Assignee: Rhodia Operations
    Inventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Seren Frantz
  • Patent number: 8501983
    Abstract: A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C5-C42)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl-polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C1-C6)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: August 6, 2013
    Assignee: Rhodia Operations
    Inventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux
  • Patent number: 8501860
    Abstract: A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C5-C42)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl-polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C1-C6)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers.
    Type: Grant
    Filed: November 1, 2011
    Date of Patent: August 6, 2013
    Assignee: Rhodia Operations
    Inventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux
  • Publication number: 20130161014
    Abstract: An amine adduct is made by (1) forming an addition intermediate by heating a mixture comprising at least one diene and at least one unsaturated fatty acyl compound, and reacting the addition intermediate with a diamine to form the amine adduct, or by (2) reacting at least one unsaturated fatty acyl compound with at least one diamine to form an amine intermediate, and heating a mixture of the amidoamine intermediate and at least one diene to form the amine adduct, or by (3) reacting at least one unsaturated fatty tertiary amine compound with at least at least one diene to form the amine adduct.
    Type: Application
    Filed: December 21, 2012
    Publication date: June 27, 2013
    Applicant: RHODIA OPERATIONS
    Inventors: Derek Pakenham, Mikal Morvan, Guillaume Degre
  • Publication number: 20120123149
    Abstract: A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C5-C42)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl-polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C1-C6)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers.
    Type: Application
    Filed: November 7, 2011
    Publication date: May 17, 2012
    Applicant: RHODIA OPERATIONS
    Inventors: Hui Shirley YANG, Derek PAKENHAM, Herve ADAM, Pierre HENNAUX, Brian CHUNG, Subramanian KESAVAN, Seren FRANTZ
  • Publication number: 20120121523
    Abstract: A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C5-C42)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl-polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C1-C6)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers.
    Type: Application
    Filed: November 7, 2011
    Publication date: May 17, 2012
    Applicant: RHODIA OPERATIONS
    Inventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Subramanian Kesavan, Seren Frantz
  • Publication number: 20120116040
    Abstract: A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C5-C42)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl-polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C1-C6)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers.
    Type: Application
    Filed: November 7, 2011
    Publication date: May 10, 2012
    Applicant: RHODIA OPERATIONS
    Inventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Subramanian Kesavan, Seren Frantz
  • Publication number: 20120116005
    Abstract: A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C5-C42)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl-polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C1-C6)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers.
    Type: Application
    Filed: November 1, 2011
    Publication date: May 10, 2012
    Applicant: RHODIA OPERATIONS
    Inventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Subramanian Kesavan, Seren Frantz
  • Publication number: 20120095145
    Abstract: A coalescent composition for coating compositions such as paints, adhesives, and coatings comprising a blend of dibasic esters, specifically (i) esters of adipic, glutaric, and/or succinic diacids and/or (ii) esters of isomers of adipic acid have advantages, including efficiency and low VOC.
    Type: Application
    Filed: December 20, 2011
    Publication date: April 19, 2012
    Applicant: Rhodia Operations
    Inventors: Lichang Zhou, Derek Pakenham, Jose Ruiz, Pu Chen, Charles Aymes, Keri Veres, Bernard Koltisko
  • Patent number: 8106239
    Abstract: A coalescent composition for coating compositions such as paints, adhesives, and coatings comprising a blend of dibasic esters, specifically (i) esters of adipic, glutaric, and/or succinic diacids and/or (ii) esters of isomers of adipic acid have advantages, including efficiency and low VOC.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: January 31, 2012
    Assignee: Rhodia Operations
    Inventors: Lichang Zhou, Derek Pakenham, Jose Ruiz, Pu Chen, Charles Aymes, Keri Veres, Bernard Koltisko
  • Patent number: 8071674
    Abstract: A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C5-C42)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl-polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C1-C6)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: December 6, 2011
    Assignee: Rhodia Operations
    Inventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux
  • Publication number: 20100273683
    Abstract: A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C5-C42)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl-polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C1-C6)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers.
    Type: Application
    Filed: June 25, 2010
    Publication date: October 28, 2010
    Inventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Subramanian Kesavan, Seren Frantz
  • Patent number: 7772421
    Abstract: A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C5-C42)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl- polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C1-C6)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: August 10, 2010
    Assignee: Rhodia Inc.
    Inventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Subramanian Kesavan, Seren Frantz
  • Patent number: 7695557
    Abstract: A coalescent composition for coating compositions such as paints, adhesives, and coatings comprising a blend of diesters, the blend comprising adducts of alcohol and diacids, the alcohol selected from the group consisting of ethyl, propyl, isopropyl alcohol and mixtures thereof, and the diacids selected from the group consisting of a blend of adipic, glutaric and succinic diacids (“AGS”) and a blend of adipic, methylglutaric, and ethylsuccinic diacids (“MGA”), and paint, adhesive, and coating compositions comprising such coalescent compositions are disclosed.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: April 13, 2010
    Assignee: Rhodia inc.
    Inventors: Lichang Zhou, Derek Pakenham, Jose Ruiz, Pu Chen, Charles Aymes, Keri Veres, Bernard Koltisko
  • Publication number: 20100064934
    Abstract: A coalescent composition for coating compositions such as paints, adhesives, and coatings comprising a blend of diesters, the blend comprising adducts of alcohol and diacids, the alcohol selected from the group consisting of ethyl, propyl, isopropyl alcohol and mixtures thereof, and the diacids comprising a blend of adipic, glutaric and succinic diacids (“AGS”); and paint, adhesive, and coating compositions comprising such coalescent compositions are disclosed.
    Type: Application
    Filed: October 30, 2009
    Publication date: March 18, 2010
    Applicant: RHODIA, INC.
    Inventors: Lichang Zhou, Derek Pakenham, Jose Ruiz, Pu Chen, Charles Aymes, Keri Veres, Bernard Koltisko
  • Publication number: 20090194003
    Abstract: A coalescent composition for coating compositions such as paints, adhesives, and coatings comprising a blend of diesters, the blend comprising adducts of alcohol and diacids, the alcohol selected from the group consisting of ethyl, propyl, isopropyl alcohol and mixtures thereof, and the diacids selected from the group consisting of a blend of adipic, glutaric and succinic diacids (“AGS”) and a blend of adipic, methylglutaric, and ethylsuccinic diacids (“MGA”), and paint, adhesive, and coating compositions comprising such coalescent compositions are disclosed.
    Type: Application
    Filed: January 30, 2009
    Publication date: August 6, 2009
    Applicant: Rhodia, Inc.
    Inventors: Lichang Zhou, Derek Pakenham, Jose Ruiz, Pu Chen, Charles Aymes, Keri Veres, Bernard Koltisko
  • Publication number: 20090198002
    Abstract: A coalescent composition for coating compositions such as paints, adhesives, and coatings comprising a blend of dibasic esters, specifically (i) esters of adipic, glutaric, and/or succinic diacids and/or (ii) esters of isomers of adipic acid have advantages, including efficiency and low VOC.
    Type: Application
    Filed: January 30, 2009
    Publication date: August 6, 2009
    Applicant: RHODIA INC.
    Inventors: Lichang Zhou, Derek Pakenham, Jose Ruiz, Pu Chen, Charles Aymes, Keri Veres, Bernard Koltisko
  • Publication number: 20060270563
    Abstract: A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C5-C42)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl- polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C1-C6)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers.
    Type: Application
    Filed: May 31, 2006
    Publication date: November 30, 2006
    Inventors: Hui Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Subramanian Kesavan, Seren Frantz
  • Patent number: 6232496
    Abstract: Amphoacetate surfactants are made by reacting a compound of formula RCONHCH2CH2NHCH2CH2OH where R is an aliphatic radical, with formaldehyde and a cyanide of formula: R1CN, wherein R1 represents a hydrogen atom or an alkali metal, and, when R1 represents a hydrogen atom, hydrolysing the nitrile obtained with an alkali.
    Type: Grant
    Filed: November 22, 1995
    Date of Patent: May 15, 2001
    Assignee: Rhone-Poulenc Chemicals Limited
    Inventors: John F. Carr, Peter Lees, Richard Stocks-Wilson, Derek Pakenham
  • Patent number: 5739367
    Abstract: A process for preparing a cobalt (III) complex is described which comprises: (i) treating a divalent cobalt salt of formula Co.sup.II X.sub.2/n where n is the valency of an anion X, with up to 15 molar equivalents of ammonia or an amine; (ii) oxidizing the resulting amine complex; (iii) converting the oxidized complex to the corresponding carboxylate of formula ?Co.sup.III (NR.sub.3).sub.5 R.sup.1 COO!X.sub.2/n where each R, which may be the same or different, represents hydrogen or an optionally substituted hydrocarbon group and R.sup.1 represents an alkyl or alkenyl group of 1 to 18 carbon atoms, at a pH above 8.5; and optionally (iv) replacing the X ion by a different anion by a metathetical reaction.
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: April 14, 1998
    Assignee: Rhone-Poulenc Chemicals Ltd.
    Inventors: John Frederick Carr, Derek Pakenham