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).
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Patent number: 8501865Abstract: 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: GrantFiled: December 27, 2012Date of Patent: August 6, 2013Assignee: Rhodia OperationsInventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Seren Frantz
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Patent number: 8501983Abstract: 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: GrantFiled: November 7, 2011Date of Patent: August 6, 2013Assignee: Rhodia OperationsInventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux
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Patent number: 8501860Abstract: 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: GrantFiled: November 1, 2011Date of Patent: August 6, 2013Assignee: Rhodia OperationsInventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux
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Publication number: 20130161014Abstract: 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: ApplicationFiled: December 21, 2012Publication date: June 27, 2013Applicant: RHODIA OPERATIONSInventors: Derek Pakenham, Mikal Morvan, Guillaume Degre
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Publication number: 20120123149Abstract: 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: ApplicationFiled: November 7, 2011Publication date: May 17, 2012Applicant: RHODIA OPERATIONSInventors: Hui Shirley YANG, Derek PAKENHAM, Herve ADAM, Pierre HENNAUX, Brian CHUNG, Subramanian KESAVAN, Seren FRANTZ
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Publication number: 20120121523Abstract: 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: ApplicationFiled: November 7, 2011Publication date: May 17, 2012Applicant: RHODIA OPERATIONSInventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Subramanian Kesavan, Seren Frantz
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Publication number: 20120116040Abstract: 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: ApplicationFiled: November 7, 2011Publication date: May 10, 2012Applicant: RHODIA OPERATIONSInventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Subramanian Kesavan, Seren Frantz
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Publication number: 20120116005Abstract: 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: ApplicationFiled: November 1, 2011Publication date: May 10, 2012Applicant: RHODIA OPERATIONSInventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Subramanian Kesavan, Seren Frantz
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Publication number: 20120095145Abstract: 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: ApplicationFiled: December 20, 2011Publication date: April 19, 2012Applicant: Rhodia OperationsInventors: Lichang Zhou, Derek Pakenham, Jose Ruiz, Pu Chen, Charles Aymes, Keri Veres, Bernard Koltisko
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Patent number: 8106239Abstract: 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: GrantFiled: January 30, 2009Date of Patent: January 31, 2012Assignee: Rhodia OperationsInventors: Lichang Zhou, Derek Pakenham, Jose Ruiz, Pu Chen, Charles Aymes, Keri Veres, Bernard Koltisko
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Patent number: 8071674Abstract: 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: GrantFiled: June 25, 2010Date of Patent: December 6, 2011Assignee: Rhodia OperationsInventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux
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Publication number: 20100273683Abstract: 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: ApplicationFiled: June 25, 2010Publication date: October 28, 2010Inventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Subramanian Kesavan, Seren Frantz
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Patent number: 7772421Abstract: 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: GrantFiled: May 31, 2006Date of Patent: August 10, 2010Assignee: Rhodia Inc.Inventors: Hui Shirley Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Subramanian Kesavan, Seren Frantz
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Patent number: 7695557Abstract: 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: GrantFiled: January 30, 2009Date of Patent: April 13, 2010Assignee: Rhodia inc.Inventors: Lichang Zhou, Derek Pakenham, Jose Ruiz, Pu Chen, Charles Aymes, Keri Veres, Bernard Koltisko
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Publication number: 20100064934Abstract: 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: ApplicationFiled: October 30, 2009Publication date: March 18, 2010Applicant: RHODIA, INC.Inventors: Lichang Zhou, Derek Pakenham, Jose Ruiz, Pu Chen, Charles Aymes, Keri Veres, Bernard Koltisko
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Publication number: 20090194003Abstract: 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: ApplicationFiled: January 30, 2009Publication date: August 6, 2009Applicant: Rhodia, Inc.Inventors: Lichang Zhou, Derek Pakenham, Jose Ruiz, Pu Chen, Charles Aymes, Keri Veres, Bernard Koltisko
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Publication number: 20090198002Abstract: 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: ApplicationFiled: January 30, 2009Publication date: August 6, 2009Applicant: RHODIA INC.Inventors: Lichang Zhou, Derek Pakenham, Jose Ruiz, Pu Chen, Charles Aymes, Keri Veres, Bernard Koltisko
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Publication number: 20060270563Abstract: 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: ApplicationFiled: May 31, 2006Publication date: November 30, 2006Inventors: Hui Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung, Subramanian Kesavan, Seren Frantz
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Patent number: 6232496Abstract: 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: GrantFiled: November 22, 1995Date of Patent: May 15, 2001Assignee: Rhone-Poulenc Chemicals LimitedInventors: John F. Carr, Peter Lees, Richard Stocks-Wilson, Derek Pakenham
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Patent number: 5739367Abstract: 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: GrantFiled: July 21, 1997Date of Patent: April 14, 1998Assignee: Rhone-Poulenc Chemicals Ltd.Inventors: John Frederick Carr, Derek Pakenham