Patents by Inventor Peter Michael Murphy
Peter Michael Murphy 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: 7740913Abstract: A method for imparting resistance to staining to a substrate comprising contacting the substrate with a copolymer comprising the monomers of Formula wherein D is at least one vinyl monomer selected from the group consisting of aryl olefin, alpha olefin and diene, each M is independently H, Ca, Mg, Al, Na, or K, each R1 is independently H, C1-C6 alkyl, or C1-C6 hydroxyalkyl, each R2 is independently linear or branched C1-C12 alkyl, C1-C6 hydroxyalkyl, C6F5, arylalkyl, C6H4OH, R3COOH, or R3SO3H, or R1 and R2 are linked together to form a morpholino or pyrrolidino ring, R3 is linear or branched C1-C12 alkyl, CH(COOH)CH2CH2, C6H4, or C6H3(OH), h1+h2 is h, h is a positive integer, k is zero or a positive integer, i and j are each independently zero or a positive integer, provided that the total of 1) h÷(k+h+i+j) is from about 0.005 to about 0.7, 2) k÷(k+h+i+j) is from about 0.3 to about 0.6, 3) [i+j]÷(k+h+i+j) is 0 to about 0.6, and provided that the sum of 1)+2)+3) is 1.Type: GrantFiled: May 13, 2009Date of Patent: June 22, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: Timothy Edward Hopkins, Stephen Ernest Jacobson, Melea Rena Langley, Peter Michael Murphy
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Patent number: 7737307Abstract: A compound comprising Formula I, or a mixture thereof, Rf—OCFHCF2O—[CH2CH2O]x—[C3H7O]y-A??Formula I wherein Rf is CnF2n+1, n is 1 to about 6, x is a mixture of positive integers and is 4 or greater, y is 0 to about 4, provided that the ratio of y to x is equal to or less than 0.25, A is RfOCHFCF2 or CmH2m+1, and m is 1 to about 24 and its use in lowering surface tension and imparting improved surface effects is disclosed.Type: GrantFiled: August 6, 2007Date of Patent: June 15, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: Peter Michael Murphy, Andrew Edward Feiring, Stephan James McLain, Jessica Sinks
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Publication number: 20100099839Abstract: A fluorinated polyoxyalkylene glycol diamide surfactant of formula 1 B—X—COCH2O—[—CpH2pO—]n—CH2CO—X—Ra ??(1) wherein B is M or Ra, M is an ionizable hydrogen, ammonium, alkali metal, or alkaline earth metal, p is from about 2 to about 4, n is from about 5 about 43, each X is independently NR, SCH2CH2NR, SO2NRCH2CH2NR, or SO2CH2CH2NR; R is hydrogen, or a linear or branched alkyl group CbH(2b+1) wherein b is 1 to about 18, Ra is Rf(CH2CF2)d—(CgH2g)—; Rf(OCF2CF2)r—(CgH2g)—; RfOY—; Rf(CH2)h[(CF2CF2)i(CH2CH2)j]k—; Rf(CgH2g)—; or H(CcF2c)—(CgH2g)—; Y is CFHCF2O(CwH2w)—; or CF(CF3)CONH—(CgH2g)—; and each Rf is independently CcF(2c+1) wherein c is 1 to about 6.Type: ApplicationFiled: October 21, 2008Publication date: April 22, 2010Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: PETER MICHAEL MURPHY, ANILKUMAR RAGHAVANPILLAI
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Publication number: 20100099837Abstract: A fluorinated polyoxyalkylene glycol diester surfactant of formula 1 B—X—COCH2O—[—CpH2pO—]n—CH2CO—X—Ra ??(1) wherein B is M or Ra, M is an ionizable hydrogen, ammonium, alkali metal, or alkaline earth metal, p is from about 2 to about 4, n is from about 5 to about 43, X is O, S, or SCH2CH2O, Ra is Rf(CH2CF2)d—(CgH2g)—; Rf[OCF2CF2]r(CgH2g)—; Rf(CH2)h[(CF2CF2)i(CH2CH2)j]k—; or RfOY—; Y is CFHCF2O(CH2CH2O)v—(CgH2g)—; CFHCF2O(CwH2w)—; or CF(CF3)CONH—(CgH2g)—; each Rf is independently CcF(2c+1) wherein c is 1 to about 6; d is 1 to about 3; g is 1 to about 4; s is 0 or 1; r is 1 to about 4; h is 1 to about 6; i, j, and k are each independently 1, 2, or 3, or a mixture thereof; provided that the total number of carbon atoms in Rf(CH2)h[(CF2CF2)i(CH2CH2)j]k—is from about 8 to about 22; v is 1 to about 4; and w is from about 2 to about 12.Type: ApplicationFiled: October 21, 2008Publication date: April 22, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Peter Michael Murphy, Anilkumar Raghavanpillai
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Patent number: 7692035Abstract: A compound comprising Formula 2A, 2B, or 2C (Ra—O—CO—)2Y Formula 2A Ra—O—CO—Y—CO—O—(CH2CH2)Rf Formula 2B Ra—O—CO—Y—CO—O—R Formula 2C wherein Ra is the group (i) Rf(CH2CF2)d—(CgH2g)—; (ii) RfOCF2CF2—(CgH2g)—; (iii) Rf OCFHCF2O(CH2CH2O)v—(CgH2g)—; (iv) RfOCFHCF2O(CwH2w)—; (v) RfOCF(CF3)CONH—(CgH2g)—; or (vi) Rf(CH2)h[(CF2CF2)i(CH2CH2)j]k; each Rf is independently CcF(2c+1); c is 2 to about 6; d is 1 to about 3; g is 1 to 4; v is 1 to about 4; w is from about 3 to about 12; h is 1 to about 6; i, j, and k are each independently 1, 2, or 3, or a mixture thereof; provided that the total number of carbon atoms in group (vi) is from about 8 to about 22; Y is a linear or branched diradical having olefinic unsaturation of the formula —CeH(2e-2)— wherein e is 2 or 3; R is H or a linear or branched alkyl group CbH(2b+1)—; and b is from 1 to about 18.Type: GrantFiled: July 1, 2008Date of Patent: April 6, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: Peter Michael Murphy, Tracy Hewat
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Publication number: 20100068449Abstract: A composition which provides stain resistance and soil resistance to substrates comprising a copolymer of Formula 1 wherein D is at least one vinyl monomer selected from the group consisting of aryl olefin, vinyl ether, allyl ether, alpha olefin and diene; each M is independently H, NH4, Ca, Mg, Al, or a Group I metal; R is H, a C1-C16 alkyl group, or an arylalkyl group; Rf is a fully fluorinated straight or branched C2 to C20 aliphatic radical, or mixture thereof, which is optionally interrupted by at least one oxygen atom; x is 1 to about 10, or a mixture thereof; k and h are each independently a positive integer; i and j are each independently zero or a positive integer, provided that i and j are not both simultaneously zero; the molar ratio of k to (h+i+j) is from about 3:1 to about 1:3, and the molar ratio of h to (i+j) is from about 1:99 to about 22:78 is disclosed.Type: ApplicationFiled: November 18, 2009Publication date: March 18, 2010Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: STEPHEN ERNEST JACOBSON, PETER MICHAEL MURPHY, MELEA RENA LANGLEY
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Publication number: 20100003737Abstract: The present invention comprises a compound comprising Formula 1A, 1B, or 1C (Ra—O—CO—)2X??Formula 1A Ra—O—CO—X—CO—O—(CH2CH2)Rf??Formula 1B Ra—O—CO—X—CO—O—R??Formula 1C wherein Ra is the group Rf(CH2CF2)d—(CgH2g)—; RfOCF2CF2—(CgH2g)—; RfOCFHCF2O(CH2CH2O)v—(CgH2g)—; RfOCFHCF2O(CwH2w); RfOCF(CF3)CONH—(CgH2g); or Rf(CH2)h[(CF2CF2)i(CH2CH2)j]k; Rf is CcF(2c+1); d is 1 to about 3; g is 1 to 4; v is 1 to about 4; w is from about 3 to about 12; h is 1 to about 6; i, j, and k are each independently 1, 2, or 3, or a mixture thereof; provided that the total number of carbon atoms in group (vi) is from about 8 to about 22; X is a linear or branched difunctional alkyl sulfonate group —CeH(2e?1)(SO3M)-, wherein e is 2 or 3; M is a monovalent cation selected from the group consisting of hydrogen, ammonium, alkali metal, or alkaline earth metal; R is H or a linear or branched alkyl group CbH(2b+1)—; and b is from 1 to about 18.Type: ApplicationFiled: July 1, 2008Publication date: January 7, 2010Applicant: E.I. du Pont de Nemours and CompanyInventors: Peter Michael Murphy, Tracy Hewat
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Publication number: 20100004482Abstract: A compound comprising Formula 2A, 2B, or 2C (Ra—O—CO—)2Y??Formula 2A Ra—O—CO—Y—CO—O—(CH2CH2)Rf??Formula 2B Ra—O—CO—Y—CO—O—R??Formula 2C wherein Ra is the group (i) Rf(CH2CF2)d—(CgH2g)—; (ii) RfOCF2CF2—(CgH2g)—; (iii) RfOCFHCF2O(CH2CH2O)v—(CgH2g)—; (iv) RfOCFHCF2O(CwH2w)—; (v) RfOCF(CF3)CONH—(CgH2g)—; or (vi) Rf(CH2)h[(CF2CF2)i(CH2CH2)j]k; each Rf is independently CcF(2c+1); c is 2 to about 6; d is 1 to about 3; g is 1 to 4; v is 1 to about 4; w is from about 3 to about 12; h is 1 to about 6; i, j, and k are each independently 1, 2, or 3, or a mixture thereof; provided that the total number of carbon atoms in group (vi) is from about 8 to about 22; Y is a linear or branched diradical having olefinic unsaturation of the formula —CeH(2e?2)— wherein e is 2 or 3; R is H or a linear or branched alkyl group CbH(2b+1)—; and b is from 1 to about 18.Type: ApplicationFiled: July 1, 2008Publication date: January 7, 2010Applicant: E.I. du Pont de Nemours and CompanyInventors: Peter Michael Murphy, Tracy Hewat
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Publication number: 20090291222Abstract: A copolymer composition comprising monomers copolymerized in the following percentages by weight: (a) from about 20% to about 95% of a monomer, or mixture of monomers, of formula (I): CnF2n+1(CH2)x[(CF2CF2)y(CH2CH2)z]m-L-C(O)—C(R)?CH2??(I) wherein R is H, Cl, F or CH3, L is O, S, NH, S—(CH2)rO, S—(CH2)rNH, OC(O)NH—CH2CH2O, NHC(O)NHCH2CH2O, S—(CH2)rOC(O)NHCH2CH2O, or S(CH2)rNHC(O)NHCH2CH2O, and (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) a monomer of formula (II) (R2)2N—R3—O—C(O)—C(R)?CH2??(II) wherein R is H, Cl, F or CH3, each R2 is independently a C1 to C4 alkyl; and R3 is a divalent linear or branched C1 to C4 alkylene; and wherein the nitrogen is from about 40% to 100% salinized; or (iii) a mixture thereof.Type: ApplicationFiled: May 20, 2008Publication date: November 26, 2009Applicant: E. I. du Pont de Nemours and CompanyInventors: Weiming Qiu, Anilkumar Raghavanpillai, Peter Michael Murphy, Jessica Louise Flatter
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Publication number: 20090256104Abstract: A composition for use as a stain blocker and a method of treating substrates therewith, said composition comprising a polymer of Formula 1 having the following repeating units in random sequence wherein R1 is H, methyl or ethyl; R2 and R3 are each independently H, C1 to about C10 alkyl, —COOR4, CONR5R6, or —CN; R4 is M, C1 to about C20 alkyl, or C6 to C10 aryl; R5 and R6 are each independently H, C1 to C10 alkyl, C6 to C10 aryl, or R5 and R6 together with the nitrogen atom form a morpholine, pyrrolidine, or piperidine ring; R7 is a C4 to C8 alkyl group; M is H, an alkali metal or alkali earth metal; h is about 10 to 100 mole %; i is 0 to about 80 mole %; j is 0 to about 60 mole %; k and n are each independently 0 to about 40 mole %; and m is 0.01 to about 0.5; provided that h+i+j+k+n equals 100, and provided that i+j+k+n is greater than zero, except when h is 100%.Type: ApplicationFiled: June 22, 2009Publication date: October 15, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Steven Willis Shuey, Stephen Ernest Jacobson, Melea Rena Langley, Peter Michael Murphy, Mukesh Chimanlal Shah
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Patent number: 7592064Abstract: Carpet protectants comprising an aqueous dispersion comprising A. a partially fluorinated urethane polymer having at least one urea linkage, which compound is the product of the reaction of: (1) at least one organic polyisocyanate containing at least three isocyanate groups; (2) at least one fluorochemical compound which contains per molecule (a) a single functional group having one or more Zerewitinoff hydrogen atoms and (b) at least two carbon atoms, each of which is attached to at least two fluorine atoms; and (3) water in an amount sufficient to react with from about 5% to about 60% of the isocyanate groups in said polyisocyanate; B. a non-fluorinated cationic surfactant; and C. a non-fluorinated nonionic surfactant are disclosed.Type: GrantFiled: August 6, 2004Date of Patent: September 22, 2009Assignee: E.I. du Pont de Nemours and CompanyInventors: Patrick Henry Fitzgerald, Andrew Hen Liu, Peter Michael Murphy, Charles L. Strickler
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Publication number: 20090221200Abstract: A method for imparting resistance to staining to a substrate comprising contacting the substrate with a copolymer comprising the monomers of Formula wherein D is at least one vinyl monomer selected from the group consisting of aryl olefin, alpha olefin and diene, each M is independently H, Ca, Mg, Al, Na, or K, each R1 is independently H, C1-C6 alkyl, or C1-C6 hydroxyalkyl, each R2 is independently linear or branched C1-C12 alkyl, C1-C6 hydroxyalkyl, C6F5, arylalkyl, C6H4OH, R3COOH, or R3SO3H, or R1 and R2 are linked together to form a morpholino or pyrrolidino ring, R3 is linear or branched C1-C12 alkyl, CH(COOH)CH2CH2, C6H4, or C6H3(OH), h1+h2 is h, h is a positive integer, k is zero or a positive integer, i and j are each independently zero or a positive integer, provided that the total of 1) h÷(k+h+i+j) is from about 0.005 to about 0.7, 2) k÷(k+h+i+j) is from about 0.3 to about 0.6, 3) [i+j]÷(k+h+i+j) is 0 to about 0.6, and provided that the sum of 1)+2)+3) is 1.Type: ApplicationFiled: May 13, 2009Publication date: September 3, 2009Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Timothy Edward Hopkins, Stephen Ernest Jacobson, Melea Rena Langley, Peter Michael Murphy
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Patent number: 7550199Abstract: A method for imparting resistance to staining to a substrate comprising contacting the substrate with a copolymer comprising the monomers of Formula wherein D is at least one vinyl monomer selected from the group consisting of aryl olefin, alpha olefin and diene, each M is independently H, Ca, Mg, Al, Na, or K, each R1 is independently H, C1-C6 alkyl, or C1-C6 hydroxyalkyl, each R2 is independently linear or branched C1-C12 alkyl, C1-C6 hydroxyalkyl, C6F5, arylalkyl, C6H4OH, R3COOH, or R3SO3H, or R1 and R2 are linked together to form a morpholino or pyrrolidino ring, R3 is linear or branched C1-C12 alkyl, CH(COOH)CH2CH2, C6H4, or C6H3(OH), h1+h2 is h, h is a positive integer, k is zero or a positive integer, i and j are each independently zero or a positive integer, provided that the total of 1) h÷(k+h+i+j) is from about 0.005 to about 0.7, 2) k÷(k+h+i+j) is from about 0.3 to about 0.6, 3) [i+j]÷(k+h+i+j) is 0 to about 0.6, and provided that the sum of 1)+2)+3) is 1.Type: GrantFiled: July 31, 2006Date of Patent: June 23, 2009Assignee: E.I. du Pont de Nemours and CompanyInventors: Timothy Edward Hopkins, Stephen Ernest Jacobson, Melea Rena Langley, Peter Michael Murphy
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Publication number: 20090148653Abstract: 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, of formula (I) Rf1-L-X—C(O)—C(R)?CH2 ??(I) wherein Rf1 is a monovalent, partially or fully fluorinated, linear or branched, alkyl radical having from about 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 about 2:1 and no oxygen atoms are bonded to each other; L is a linear or branched divalent linking group having 1 to about 20 carbon atoms; optionally interrupted by 1 to about 4 hetero-radicals selected from the group consisting or —O—, —NR1—, —S—, —SO—, —SO2—, —N(R1)C(O)—; wherein R1 is H or C1 to C6 alkyl; X is —O—, —NR1—, or —S—; R is hydrogen, Cl, F or CH3; (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 1Type: ApplicationFiled: September 25, 2008Publication date: June 11, 2009Applicant: E.I. du Pont de Nemours and CompanyInventors: Gerald Oronde Brown, Peter Michael Murphy, Ying Wang
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Publication number: 20090149096Abstract: 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: ApplicationFiled: November 11, 2008Publication date: June 11, 2009Applicant: E.I. du Pont de Nemours and CompanyInventors: Gerald Oronde Brown, Peter Michael Murphy, Ying Wang
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Publication number: 20090117795Abstract: An improved method for treating fibrous substrates with a copolymer containing a fluorinated acrylate or fluorinated methacrylate to provide water repellency and alcohol repellency wherein the improvement comprises contacting the substrate with a composition of particular fluorinated copolymers followed by drying at ambient temperature or curing at ambient temperature.Type: ApplicationFiled: December 3, 2008Publication date: May 7, 2009Inventors: Peter Michael Murphy, Richard H. Goldbaum, Andrew Joseph McCall, Carolyn Sue Yatsko
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Publication number: 20090111344Abstract: A method of providing water repellency, oil repellency, soil resistance, soil release, stain resistance and stain release to substrates comprising contacting said substrate with a composition comprising a copolymer having repeating units of Formula I in any sequence: wherein Rf is a straight or branched perfluoroalkyl group having from about 2 to about 8 carbon atoms, or a mixture thereof, which is optionally interrupted by at least one oxygen atom, Q is alkylene of 1 to about 15 carbon atoms, hydroxyalkylene of 2 to about 15 carbon atoms, —O(CnH2n)—, —(CH2CF2)m(CH2)n—, —CONR1(CnH2n)—, —(CnH2n)OCONR1(CnH2n)—, (—CONR1CH2)2CH—, —SO2N(R1)(CnH2n)—, or —(CnH2n)SO2N(R1)(CnH2n)—, each R1 is independently H or alkyl of 1 to about 4 carbon atoms, each n is independently 1 to about 15, each m is independently 1 to about 4, Z is hydrogen or methyl, x is a positive integer, y is zero or a positive integer, t is a positive integer, and M is H+, alkali metal cation, alkaline earth metal cation, or ammonium.Type: ApplicationFiled: October 29, 2007Publication date: April 30, 2009Inventors: Peter Michael Murphy, Jessica Sinks, Ying Wang
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Publication number: 20090110840Abstract: A copolymer of Formula I —[Rf-Q-OC(O)NHC(CH3)2C6H4C(CH3)CH2—]x?[CH2C(R)(COOH)—]y—??(I) wherein Rf is a straight or branched perfluoroalkyl group having from about 2 to about 8 carbon atoms, or a mixture thereof, which is optionally interrupted by at least one oxygen atom, Q is alkylene of 1 to about 15 carbon atoms, hydroxyalkylene of from about 2 to about 15 carbon atoms, —O(CnH2n)—, —(CH2CF2)m(CH2)n—, —OCHFCF2(CH2)n—, —CONR1(CnH2n)—, —(CnH2n)OCONR1(CnH2n)—, (—CONR1CH2)2CH—, —SO2N(R1)(CnH2n)—, or —(CnH2n)SO2N(R1)(CnH2n)—, each R1 is independently H or alkyl of 1 to about 4 carbon atoms, each n is independently 1 to about 15, each m is independently 1 to about 4, and R is H or CH3, x is a positive integer, and y is a positive integer, and a method of its use for imparting soil resistance to substrates while imparting minimal water repellency is disclosed.Type: ApplicationFiled: October 24, 2007Publication date: April 30, 2009Inventors: Peter Michael Murphy, Stefan Reinartz
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Publication number: 20090043133Abstract: A compound comprising Formula I, or a mixture thereof, Rf—OCFHCF2O—[CH2CH2O]x—[C3H7O]y-A ??Formula I wherein Rf is CnF2n+1, n is 1 to about 6, x is a mixture of positive integers and is 4 or greater, y is 0 to about 4, provided that the ratio of y to x is equal to or less than 0.25, A is RfOCHFCF2 or CmH2m+1, and m is 0 to about 24 and its use in lowering surface tension and imparting improved surface effects is disclosed.Type: ApplicationFiled: August 6, 2007Publication date: February 12, 2009Inventors: Peter Michael Murphy, Andrew Edward Feiring, Stephan James McLain, Jessica Sinks
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Publication number: 20090030114Abstract: A core-shell emulsion polymer comprising A) a core composition comprising components (a) and (b): (a) from about 40 to about 95% of styrene, alkyl substituted styrene, or alkyl (meth)acrylate; and (b) from about 5 to about 60% of vinylidene chloride, vinyl chloride, or combinations thereof; and B) a shell composition components (c) and (d): (c) from about 50 to about 85% of (I) Rf1(CH2)m Z-C(O)—C(R1)?CH2 (II) Rf2(CH2CF2)q(CH2CH2)rZ-C(O)—C(R1)?CH2, or (III) Rf3O(CF2CF2)q(CH2CH2)rZ-C(O)—C(R1)?CH2 wherein R1 is hydrogen, Cl, F or CH3; Z is —O—, —NH— or —S—; Rf1 and Rf2 are each a C4 or C6 perfluoroalkyl; and Rf3 is a C2 to C7 perfluoroalkyl optionally interrupted by one to three ether oxygens; and (d) from about 15 to about 50% of styrene, alkyl substituted styrene, or alkyl (meth)acrylate, provided that i) the core composition comprises from about 20 to about 75% of the polymer; ii) when Rf1 or Rf2 has 4 carbons, R1 is CH3; and iii) when Rf3 has 2 or 3 carbons, R1 is CH3.Type: ApplicationFiled: July 25, 2007Publication date: January 29, 2009Inventors: Ying Wang, Peter Michael Murphy, Sheng Peng