Patents by Inventor Gerald Oronde Brown
Gerald Oronde Brown 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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Publication number: 20150361300Abstract: A method of treating a substrate comprising contacting the substrate with a composition comprising i) a wax which provides a surface effect and ii) a polymer extender composition comprising a urethane based compound, a composition for treating a substrate, and treated substrates thereof.Type: ApplicationFiled: June 2, 2015Publication date: December 17, 2015Inventors: JOHN CHRISTOPHER SWOREN, GERALD ORONDE BROWN, TATSIANA HAIDZINSKAYA, EWA M. KOHLER
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Patent number: 9029452Abstract: This invention relates to a composition comprising a solvent-based fluoropolymer and its use as a coating additive, and a coating composition comprising the fluoropolymer. The coating composition comprising the solvent-based fluoropolymer provides desirable properties including uniform spreading, and cleanability and increased contact angle to a coated substrate. There is further provided a method of treating a substrate using the coating composition.Type: GrantFiled: May 27, 2010Date of Patent: May 12, 2015Assignee: E I du Pont de Nemours and CompanyInventors: Gerald Oronde Brown, Xianjun Meng
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Publication number: 20140295724Abstract: A compound for imparting water repellency and optionally stain release to substrates wherein the compound is prepared by (i) reacting (a) at least one isocyanate group-containing compound selected from isocyanate, diisocyanate, polyisocyanate, or mixture thereof, and (b) at least one isocyanate-reactive compound selected from formula (Ia), (Ib), or (Ic):Type: ApplicationFiled: March 27, 2014Publication date: October 2, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: JOHN CHRISTOPHER SWOREN, Gerald Oronde Brown, Mario Vincenzini, Flemming Vang Sparsoe
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Publication number: 20140296123Abstract: A method of treating a substrate comprising contacting the substrate with a composition comprising i) an agent which provides a surface effect and ii) a polymer extender composition comprising a urethane based compound, a composition for treating a substrate, and treated substrates thereof.Type: ApplicationFiled: March 27, 2014Publication date: October 2, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: John Christopher SWOREN, Gerald Oronde BROWN, Mario VINCENZINI, Flemming Vang SPARSOE
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Publication number: 20140179888Abstract: The present invention relates to a method of removing and preventing water and condensate blocks in wells by contacting a subterranean formation with a composition comprising a low molecular weight fluorinated copolymer having perfluoro alkyl moieties which are no longer than C6. A fluorinated copolymer of low molecular weight of about 50,000 g/mol and a method of preparing the same are also disclosed.Type: ApplicationFiled: February 26, 2014Publication date: June 26, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Cheryl Lynn Iaconelli, Gerald Oronde Brown, Christopher James Martin, Erick J. Acosta
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Patent number: 8716198Abstract: The present invention relates to a method of removing and preventing water and condensate blocks in wells by contacting a subterranean formation with a composition comprising a low molecular weight fluorinated copolymer having perfluoro alkyl moieties which are no longer than C6. A fluorinated copolymer of low molecular weight of about 50,000 g/mol and a method of preparing the same are also disclosed.Type: GrantFiled: March 18, 2011Date of Patent: May 6, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Cheryl Lynn Iaconelli, Gerald Oronde Brown, Christopher James Martin, Erick J. Acosta
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Publication number: 20140113517Abstract: An aqueous emulsion composition comprising: i) partially fluorinated copolymer; ii) one or more co-solvents; iii) one or more surfactants; and optionally iv) one or more defoamers; wherein the co-solvent comprises fatty acids, esters of fatty acids, glycerides, glycols, or mixture thereof, and is useful for providing water and oil repellency to fibrous substrates without excessive pad roller build-up during application.Type: ApplicationFiled: September 23, 2013Publication date: April 24, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: GERALD ORONDE BROWN, JOHN CHRISTOPHER SWOREN
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Patent number: 8507601Abstract: A method of providing oil repellency, water repellency, and dynamic water repellency to a substrate comprising contacting the substrate with a polymer composition comprising A) a first polymer comprising (a) hydrophobized nanoparticle; (b) C1 to C18, straight, branched, or cyclic alkyl (meth)acrylate; (c) N-methylol (meth)acrylamide or a monomer of formula (I) R—(OCH2CH2)a—O—C(O)—C(R1)?CH2??(I) wherein R is hydrogen, C1-C4 alkyl, or —C(O)—C(R1)?CH2, and R1 is H or —CH3; said first polymer in contact with B) a second polymer comprising (d) a fluorinated monomer of formula (II) Rf1-L-X—C(O)—C(R)?CH2??(II) wherein Rf1 is a monovalent, partially or fully fluorinated, linear or branched, alkyl radical having 2 to about 100 carbon atoms; optionally interrupted by 1 to about 50 oxygen atoms; wherein the ratio of carbon atoms to oxygen atoms is at least 2:1 and no oxygen atoms are bonded to each other; L is a bond or a linear or branched divalent linking group having 1 to about 20 carbon atoms, said linkinType: GrantFiled: November 9, 2009Date of Patent: August 13, 2013Assignee: E. I. du Pont de Nemours and CompanyInventors: Gerald Oronde Brown, Victoria A. Helinski
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Patent number: 8501952Abstract: The present invention is directed to a fluorosilane represented by (L)3-Si—(CH2)n—N(-Q3-Rf)-Q1-Rf where each n is independently an integer from 1 to 12; L is independently chosen from a hydrolysable or non-hydrolysable monovalent group Rf is chosen from a C2-C12 perfluoroalkyl provided that: i) one fluorine atom of the perfluoroalkyl can be optionally replaced by hydrogen, and/or ii) the perfluoroalkyl can be optionally interrupted by at least one oxygen, methylene, or ethylene; Q1 is chosen from the group consisting of a C2-C12 hydrocarbylene optionally interrupted by at least one divalent organic group; X1 is chosen from O or S; and b) Q1 and Q3 are independently chosen from the group consisting of a C2-C12 hydrocarbylene interrupted by at least one of —C(O)—O— or —O—C(O)—, and optionally further interrupted by at least one divalent organic group.Type: GrantFiled: September 23, 2011Date of Patent: August 6, 2013Assignee: E. I. du Pont de Nemours and CompanyInventors: Axel Hans-Joachim Herzog, Gerald Oronde Brown
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Patent number: 8420826Abstract: The present invention is directed to a fluorosilane represented by (L)3-Si—(CH2)n—(Z1)a—[C(X1)]x—(Z2)l-Q1-Rf where each n is independently an integer from 1 to 12; L is independently chosen from a hydrolysable or non-hydrolysable monovalent group; Rf is chosen from a C2-C12 perfluoroalkyl provided that: i) one fluorine atom of the perfluoroalkyl can be optionally replaced by hydrogen, and/or ii) the perfluoroalkyl can be optionally interrupted by at least one oxygen, methylene, or ethylene; Q1 is chosen from the group consisting of a C2-C12 hydrocarbylene optionally interrupted by at least one divalent organic group; X1 is chosen from O or S; —Z2 is —NH— and Z1 is from the group consisting of —O—, and —S—; each R1 is independently chosen from hydrogen, phenyl, or a monovalent C1-C8 alkyl optionally terminated by —C6H5, preferably H or CH3.Type: GrantFiled: September 23, 2011Date of Patent: April 16, 2013Assignee: E. I. du Pont de Nemours and CompanyInventors: Axel Hans-Joachim Herzog, Gerald Oronde Brown
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Patent number: 8329822Abstract: A polymer composition comprising A) a first polymer comprising (a) hydrophobized nanoparticle; (b) C1 to C18, straight, branched, or cyclic alkyl(meth)acrylate; (c) N-methylol(meth)acrylamide or a monomer of formula (I) R—(OCH2CH2)a—O—C(O)—C(R1)?CH2??(I) ?wherein R is hydrogen, C1-C4 alkyl, or —C(O)—C(R1)?CH2, and R1 is H or —CH3; said first polymer in contact with B) a second polymer comprising (d) a fluorinated monomer of formula (II) Rf1-L-X—C(O)—C(R)?CH2??(II) ?wherein Rf1 is a monovalent, partially or fully fluorinated, linear or branched, alkyl radical having 2 to about 100 carbon atoms; optionally interrupted by 1 to about 50 oxygen atoms; wherein the ratio of carbon atoms to oxygen atoms is at least 2:1 and no oxygen atoms are bonded to each other; L is a bond or a linear or branched divalent linking group having 1 to about 20 carbon atoms, said linking group optionally interrupted by 1 to about 4 hetero-radicals selected from the group consisting of —O—, —NR6—, —S—, —SO—, —SO2—, and —N(R6)Type: GrantFiled: November 9, 2009Date of Patent: December 11, 2012Assignee: E.I. du Pont de Nemours and CompanyInventors: Gerald Oronde Brown, Victoria A. Helinski
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Patent number: 8324314Abstract: A composition for imparting surface properties to substrates comprising a polymer of at least one polyurethane having at least one urea linkage prepared by: (i) reacting (a) at least one diisocyanate, polyisocyanate, or mixture thereof, having isocyanate groups, and (b) at least one fluorinated compound selected from the formula (I): Rf1-L-X??(I) wherein Rf1 is a monovalent, partially or fully fluorinated, linear or branched, alkyl radical having 2 to 100 carbon atoms; optionally interrupted by 1 to 50 oxygen atoms; wherein the ratio of carbon atoms to oxygen atoms is at least 2:1 and no oxygen atoms are bonded to each other; L is a bond or a linear or branched divalent linking group having 1 to about 20 carbon atoms, said linking group optionally interrupted by 1 to about 4 hetero-radicals selected from the group consisting of —O—, —NR1—, —S—, —SO—, —SO2—, and —N(R1)C(O)— wherein R1 is H or C1 to C6 alkyl, and said linking group optionally substituted with CH2Cl; X is an isocyanate-reactive group selecType: GrantFiled: October 12, 2009Date of Patent: December 4, 2012Assignee: E.I. du Pont de Nemours and CompanyInventors: Gerald Oronde Brown, Michael Henry Ober
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Patent number: 8314037Abstract: A fluoropolymer composition comprising monomers copolymerized in the following percentages by weight: (a) from about 20% to about 95% of a fluoroalkyl monomer, or mixture of monomers, (b) from about 5% to about 80% of at least one of: (i) an alkyl (meth)acrylate monomer having a linear, branched or cyclic alkyl group of from about 6 to about 18 carbons; or (ii) one or more ionizable water solvatable monomers; and (c) from about 0.05% to about 2% non-fluorinated polymerizable nanoparticles.Type: GrantFiled: November 11, 2008Date of Patent: November 20, 2012Assignee: E. I. du Pont de Nemours and CompanyInventors: Gerald Oronde Brown, Peter Michael Murphy, Ying Wang
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Publication number: 20120270454Abstract: A coated fabric suitable for use in an anti-ballistic article comprises a fabric comprising at least a first layer of high tenacity yarns such as para-aramid arranged parallel with each other and at least a second layer of high tenacity yarns arranged parallel with each other, the yarns of the first layer having an orientation in a direction that is different from the orientation of the yarns in the second layer, a fluoropolymer, a viscoelastic resin and a thermoset or thermoplastic binding layer, the binding layer being positioned between the first and second layers of yarns. A method of making the surfactant free coated fabric using a non-polar organic solvent is also disclosed.Type: ApplicationFiled: April 21, 2011Publication date: October 25, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Minshon J. Chiou, Gerald Oronde Brown, Teresa C. Madeleine
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Patent number: 8153834Abstract: The present invention relates to particles, i.e., oxides of Si, Ti, Zn, Zr, Mn, Al and combinations thereof, where at least one particle has a surface covalently bonded to at least one fluorosilane group. The particle is first bonded to a divalent organic linking group which in turn is bonded to a perfluoroalkyl group. It has been discovered that incorporation of the aforementioned divalent organic linking group can improve the ability of the resulting hydrophobized inorganic particles to impart hydrophobic and oleophobic properties.Type: GrantFiled: December 4, 2008Date of Patent: April 10, 2012Assignee: E.I. duPont de Nemours and CompanyInventors: Gerald Oronde Brown, Axel Hans-Joachim Herzog
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Publication number: 20120071372Abstract: The present invention relates to a method of removing and preventing water and condensate blocks in wells by contacting a subterranean formation with a composition comprising a low molecular weight fluorinated copolymer having perfluoro alkyl moieties which are no longer than C6. A fluorinated copolymer of low molecular weight of about 50,000 g/mol and a method of preparing the same are also disclosed.Type: ApplicationFiled: March 18, 2011Publication date: March 22, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: CHERYL LYNN IACONELLI, GERALD ORONDE BROWN, CHRISTOPHER JAMES MARTIN, Erick J. Acosta
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Publication number: 20120022266Abstract: The present invention is directed to a fluorosilane represented by (L)3-Si—(CH2)n—(Z1)a—[C(X1)]x—(Z2)l-Q1-Rf where each n is independently an integer from 1 to 12; L is independently chosen from a hydrolysable or non-hydrolysable monovalent group; Rf is chosen from a C2-C12 perfluoroalkyl provided that: i) one fluorine atom of the perfluoroalkyl can be optionally replaced by hydrogen, and/or ii) the perfluoroalkyl can be optionally interrupted by at least one oxygen, methylene, or ethylene; Q1 is chosen from the group consisting of a C2-C12 hydrocarbylene optionally interrupted by at least one divalent organic group; X1 is chosen from O or S; —Z2 is —NH— and Z1 is from the group consisting of —O—, and —S—; each R1 is independently chosen from hydrogen, phenyl, or a monovalent C1-C8 alkyl optionally terminated by —C6H5, preferably H or CH3.Type: ApplicationFiled: September 23, 2011Publication date: January 26, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Axel Hans-Joachim Herzog, Gerald Oronde Brown
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Publication number: 20120022267Abstract: The present invention is directed to a fluorosilane represented by (L)3-Si—(CH2)n—N(-Q3-Rf)-Q1-Rf where each n is independently an integer from 1 to 12; L is independently chosen from a hydrolysable or non-hydrolysable monovalent group Rf is chosen from a C2-C12 perfluoroalkyl provided that: i) one fluorine atom of the perfluoroalkyl can be optionally replaced by hydrogen, and/or ii) the perfluoroalkyl can be optionally interrupted by at least one oxygen, methylene, or ethylene; Q1 is chosen from the group consisting of a C2-C12 hydrocarbylene optionally interrupted by at least one divalent organic group; X1 is chosen from O or S; and b) Q1 and Q3 are independently chosen from the group consisting of a C2-C12 hydrocarbylene interrupted by at least one of —C(O)—O— or —O—C(O)—, and optionally further interrupted by at least one divalent organic group.Type: ApplicationFiled: September 23, 2011Publication date: January 26, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Axel Hans-Joachim Herzog, Gerald Oronde Brown
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Publication number: 20110293943Abstract: This invention relates to a composition comprising a solvent-based fluoropolymer and its use as a coating additive, and a coating composition comprising the fluoropolymer. The coating composition comprising the solvent-based fluoropolymer provides desirable properties including uniform spreading, and cleanability and increased contact angle to a coated substrate. There is further provided a method of treating a substrate using the coating composition.Type: ApplicationFiled: May 27, 2010Publication date: December 1, 2011Applicant: E.I.DU PONT DE NEMOURS AND COMPANYInventors: GERALD ORONDE BROWN, XIANJUN MENG
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Publication number: 20110293949Abstract: This invention relates to a composition comprising a solvent-based fluoropolymer and its use as a coating additive, and a coating composition comprising the fluoropolymer. The coating composition comprising the solvent-based fluoropolymer provides desirable properties including uniform spreading, and cleanability and increased contact angle to a coated substrate. There is further provided a method of treating a substrate using the coating composition.Type: ApplicationFiled: May 27, 2010Publication date: December 1, 2011Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: GERALD ORONDE BROWN, XIANJUN MENG