Patents by Inventor William S. Carey
William S. Carey 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: 20040250465Abstract: Aviation fuel, such as jet fuel, blends and methods for improving cold flow properties of such fuels at extremely low temperatures are disclosed. Cold flow properties of, for example, JP-8 based jet fuels are improved by addition to the fuel of a variety of C10-C16 alkyl poly(meth)acrylate esters and polyvinylesters of C10-C16 alkanoic acids. Demonstratable cold flow improvement of such fuels at temperatures of about −53° C. and below is shown.Type: ApplicationFiled: June 12, 2003Publication date: December 16, 2004Applicant: General Electric CompanyInventors: Fang Deng, William S. Carey, Sherif Eldin, Alan E. Goliaszewski
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Publication number: 20040250467Abstract: Aviation fuel, such as jet fuel, blends and methods for improving cold flow properties of such fuels at extremely low temperatures are disclosed. Cold flow properties of, for example, JP-8+100 jet fuel, are improved by addition to the fuel of a polymer formed from polymerization of an &agr;-olefin monomer or monomers. Demonstratable cold flow improvement of such fuels at temperatures of about −53° C. and lower is shown.Type: ApplicationFiled: June 12, 2003Publication date: December 16, 2004Applicant: General Electric CompanyInventors: Fang Deng, William S. Carey, Sherif Eldin, Alan E. Goliaszewski
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Publication number: 20040039144Abstract: Processes for making acrylic acid/allyl ether copolymers are provided wherein hypo phosphorous acid and its salts are used as chain transfer agents during the polymerization process. The hypo phosphorous acid feed time is regulated in comparison to the feed time of the acrylic acid feed at a duration of about 0-75% hypo phosphorous acid feed:total acrylic acid feed time. Phosphorus containing copolymers made by the processes are also disclosed.Type: ApplicationFiled: August 22, 2003Publication date: February 26, 2004Applicant: General Electric CompanyInventors: Natalie A. Solov, William S. Carey
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Patent number: 6607610Abstract: The present invention relates to a composition for the treatment of metal substrates including an aqueous solution of a Group IVA metal ion, selected from the group consisting of zirconium, titanium, hafnium and mixtures thereof, and a water-soluble or water-dispersible polyphenolamine.Type: GrantFiled: October 18, 2002Date of Patent: August 19, 2003Assignee: GE Betz, Inc.Inventors: William S. Carey, Bruce Haberle, Jeffrey I. Melzer, Edward A. Rodzewich, Ping Lue, Andrew Solov
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Patent number: 5910469Abstract: Alkylphosphonate ester compounds or acids thereof are disclosed as effective fouling inhibitors in liquid hydrocarbonaceous medium undergoing processing at elevated temperatures.Type: GrantFiled: November 1, 1996Date of Patent: June 8, 1999Assignee: BetzDearborn Inc.Inventors: William S. Carey, Jeffrey H. Peltier, Alan E. Goliaszewski
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Patent number: 5871691Abstract: A method and compounds for inhibiting and controlling corrosion is disclosed. The method is particularly effective at inhibiting or preventing corrosion of ferrous-based metals in contact with aqueous systems such as cooling water systems. The method comprises introducing into the aqueous system a compound of the general formula: ##STR1## wherein R is hydrogen, alkyl, aryl, substituted alkyl or substituted aryl; R' and R" are each independently hydrogen, C.sub.1-4 alkyl or C.sub.1-4 substituted alkyl; Z is O, S, NH, or NR, where R is as described above; n is a positive integer greater than 1; f is a positive integer; and M is hydrogen, a water soluble cation (e.g., NH.sub.4.sup.+, alkali metal), or a C.sub.1 -C.sub.3 alkyl group.Type: GrantFiled: September 27, 1995Date of Patent: February 16, 1999Assignee: BetzDearborn Inc.Inventors: William S. Carey, William C. Ehrhardt, Andrew Solov
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Patent number: 5866032Abstract: A composition for of controlling scale formation and deposition and corrosion in aqueous systems is described wherein a treatment solution of a substoichiometric amount of a composition comprising a scale/corrosion inhibitor in combination with a substituted alkylpolycarboxylate is employed. The scale/corrosion inhibitor can be a phosphonate such as hydroxyethylidene diphosphonic acid, 2-phosphonobutane-1,2,4-tricarboxylic acid, hydroxyphosphonoacetic acids, amino phosphonates; terpolymers, copolymers and homopolymers of acrylic acid, maleic acid, epoxysuccinic acids such as polyepoxysuccinic acid or mixtures thereof. The substituted alkylpolycarboxylates are compounds of the general structure: R--X.sub.m --Y.sub.n wherein R is a hydrocarbon functionality having 4 to 18 carbons; X, when present, is --NH--, --NY.sup.1 --, --N-->O, --N--OC--Y.sup.1, --O-- or --S--; n is greater than or equal to 1; m=O or 1; and Y and Y.sup.Type: GrantFiled: November 18, 1997Date of Patent: February 2, 1999Assignee: BetzDearborn Inc.Inventors: William S. Carey, Libardo A. Perez, Donald T. Freese, Judith L. Barron
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Patent number: 5708108Abstract: A polymer and method of controlling corrosion and the formation and deposition of scale imparting compounds in water systems is disclosed. The polymer has the general structure: ##STR1## wherein E.sup.1 comprises the repeat unit obtained after polymerization an .alpha.,.beta. ethylenically unsaturated carboxylic acid monomers, lower alkyl (C.sub.1 -C.sub.6) ester or a hydroxylated lower alkyl (C.sub.1 -C.sub.6) ester of such carboxylic acid, or amide forms thereof; E.sup.2 comprises the repeat unit obtained after polymerization of an .alpha.,.beta. ethylenically unsaturated monomer containing a sulfonic acid functionality; R.sup.1 is a hydrogen or a lower (C.sub.1 -C.sub.3) alkyl; R.sup.2 is --CH.sub.2 --O-- or --C(.dbd.O)--O--; R.sup.3 is --?--CH.sub.2 --CH(--CH.sub.2 --OH)--O--!--.sub.n ; n is an integer greater than 1; and R.sup.Type: GrantFiled: May 3, 1996Date of Patent: January 13, 1998Assignee: BetzDearborn Inc.Inventors: William S. Carey, Andrew Solov
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Patent number: 5658487Abstract: A contaminant precipitating composition and method are disclosed. The composition comprises a water soluble, branched, polydithiocarbamic acid salt effective for the purpose of precipitating contaminants from an aqueous solution. The method comprises adding an amount of the composition effective for the purpose to the aqueous solution so as to complex, precipitate and remove contaminants from the aqueous solution.Type: GrantFiled: November 1, 1995Date of Patent: August 19, 1997Assignee: Betz Laboratories, Inc.Inventors: William S. Carey, Ellen M. Meyer
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Patent number: 5616278Abstract: A method and compounds for inhibiting the formation of scale, e.g., barium scale, and controlling corrosion is disclosed. The method is particularly effective at inhibiting or preventing corrosion of ferrous-based metals in contact with the aqueous systems such as cooling water systems. The method comprises introducing into the aqueous system a compound of the general formula: ##STR1## wherein R is hydrogen, alkyl, aryl, substituted alkyl or substituted aryl; R' and R" are each independently hydrogen, C.sub.1-4 alkyl or C.sub.1-4 substituted alkyl; Z is O, S, NH or NR, where R is as described above; n is a positive integer greater than 1; f is a positive integer; and M is hydrogen, a water soluble cation (e.g., NH.sub.4.sup.+, alkali metal), or a C.sub.1-3 alkyl group.Type: GrantFiled: April 19, 1996Date of Patent: April 1, 1997Assignee: BetzDearborn Inc.Inventors: William S. Carey, Andrew Solov, Libardo A. Perez, Donald T. Freese
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Patent number: 5614081Abstract: Alkylphosphonate ester compounds or acids thereof are disclosed as effective fouling inhibitors in liquid hydrocarbonaceous medium undergoing processing at elevated temperatures.Type: GrantFiled: June 12, 1995Date of Patent: March 25, 1997Assignee: BetzDearborn Inc.Inventors: William S. Carey, Jeffrey H. Peltier, Alan E. Goliaszewski
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Patent number: 5601754Abstract: A polymer and method of controlling corrosion and the formation and deposition of scale imparting compounds in water systems is disclosed. The polymer has the general structure: ##STR1## wherein E.sup.1 comprises the repeat unit obtained after polymerization of one or more .alpha., .beta. ethylenically unsaturated monomers, selected from the group consisting of a carboxylic 3acid, lower alkyl (C.sub.1 -C.sub.6) ester or a hydroxylated lower alkyl (C.sub.1 -C.sub.6) ester of such carboxylic acid, and amide forms thereof; E.sup.2 comprises the repeat unit obtained after polymerization of one or more .alpha., .beta. ethylenically unsaturated monomer containing a sulfonic acid functionality; R.sup.1 is a hydrogen or a lower (C.sub.1 -C.sub.3) alkyl; R.sup.2 is --CH.sub.2 -- O--or --C(.dbd.O)--O--; R.sup.3 is --(--CH.sub.2 --CH(--CH.sub.2 --OH)--O--)--.sub.n ; n is an integer greater than 1; and R.sup.Type: GrantFiled: April 21, 1995Date of Patent: February 11, 1997Assignee: Betz Laboratories, Inc.Inventors: William S. Carey, Andrew Solov
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Patent number: 5596130Abstract: Methods and compositions are provided for cleaning and inhibiting the formation of fouling deposits on jet engine components during the combustion of turbine combustion fuel oils. Methods and compositions are also provided for inhibiting the formation and emission of soot and smoke from jet engine exhaust during turbine combustion fuel oil combustion. The methods employ a derivative of (thio)phosphonic acid added to the turbine combustion fuel oil. The preferred derivative is pentaerythritol ester of polyisobutenylthiophosphonic acid.Type: GrantFiled: October 25, 1995Date of Patent: January 21, 1997Assignee: Betz Laboratories, Inc.Inventors: Bruce E. Wright, William L. Witzig, Alan E. Goliaszewski, William S. Carey, Jeffrey H. Peltier
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Patent number: 5594096Abstract: A contaminant precipitating composition and method are disclosed. The composition comprises a water soluble branched polymeric composition effective for the purpose of precipitating contaminants from an aqueous solution. The method comprises adding an amount of the composition, effective for the purpose, to the aqueous solution so as to complex, precipitate and remove contaminants from the aqueous solution.Type: GrantFiled: March 1, 1996Date of Patent: January 14, 1997Assignee: BetzDearborn Inc.Inventors: William S. Carey, Ellen M. Meyer, Jeffrey H. Peltier
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Patent number: 5523002Abstract: A contaminant precipitating composition and method are disclosed. The composition comprises a water soluble branched polymeric composition effective for the purpose of precipitating contaminants from an aqueous solution. The method comprises adding an amount of the composition, effective for the purpose, to the aqueous solution so as to complex, precipitate and remove contaminants from the aqueous solution.Type: GrantFiled: February 17, 1995Date of Patent: June 4, 1996Assignee: Betz Laboratories, Inc.Inventors: William S. Carey, Ellen M. Meyer, Jeffrey H. Peltier
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Patent number: 5518629Abstract: A method of controlling scale formation and deposition and corrosion in aqueous systems is described wherein a treatment solution of a substoichiometric amount of a scale/corrosion inhibitor in combination with a substituted alkylpolycarboxylate is employed. The scale/corrosion inhibitor can be a phosphonate such as hydroxyethylidene diphosphonic acid, 2-phosphonobutane-1,2,4-tricarboxylic acid, hydroxyphosphonoacetic acids, amino phosphonates; terpolymers, copolymers and homopolymers of acrylic acid, maleic acid, epoxysuccinic acids such as polyepoxysuccinic acid or mixtures thereof. The substituted alkylpolycarboxylates are compounds of the general structure: R--X--Y.sub.n wherein R is a hydrocarbon functionality having 4 to 18 carbons; X, when present, is --NH--, --NY.sup.1 --, --N-->O, --N--OC--Y.sup.1, --O-- or --S--; n is greater than or equal to 1; and Y and Y.sup.Type: GrantFiled: November 29, 1994Date of Patent: May 21, 1996Assignee: Betz Laboratories, Inc.Inventors: Libardo A. Perez, William S. Carey, Donald T. Freese, Judith B. Rockett
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Patent number: 5519102Abstract: A method of preparing poly(isopropenylphosphonic acid) is disclosed, which provides a high yield with low initiator charge. The method comprises preparing poly(isopropenylphosphonic acid) by polymerizing a mixture of isopropenylphosphonic acid and isopropenylphosphonic acid anhydride, preferably in an aqueous solution.Type: GrantFiled: May 9, 1995Date of Patent: May 21, 1996Assignee: Betz Laboratories, Inc.Inventors: Michael A. Cady, William S. Carey, Andrew Solov
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Patent number: 5500133Abstract: A contaminant precipitating composition and method are disclosed. The composition comprises a water soluble, branched, polydithiocarbamic acid salt effective for the purpose of precipitating contaminants from an aqueous solution. The method comprises adding an amount of the composition effective for the purpose to the aqueous solution so as to complex, precipitate and remove contaminants from the aqueous solution.Type: GrantFiled: February 17, 1995Date of Patent: March 19, 1996Assignee: Betz Laboratories, Inc.Inventors: William S. Carey, Ellen M. Meyer
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Patent number: 5489666Abstract: A method and compounds for inhibiting the formation of scale is disclosed. The method is particularly effective at inhibiting the formation and deposition of calcium scales in circulating aqueous systems such as cooling water systems. The method comprises introducing into the aqueous system a compound of the general formula: ##STR1## wherein R is hydrogen, alkyl, aryl, substituted alkyl or substituted aryl; R' and R" are each independently hydrogen, C.sub.1-4 alkyl or C.sub.1-4 substituted alkyl; Z is 0, S, NH, or NR, where R is as described above; n is a positive integer greater than 1; f is a positive integer; and M is hydrogen, a water soluble cation (e.g., NH.sub.4.sup.+, alkali metal) or a C.sub.1 -C.sub.3 alkyl group.Type: GrantFiled: October 7, 1994Date of Patent: February 6, 1996Assignee: Betz Laboratories, Inc.Inventors: William S. Carey, Andrew Solov, Donald T. Freese, Libardo A. Perez
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Patent number: 5466381Abstract: An improved oxygen scavenger for aqueous mediums is disclosed which is a disubstituted, water soluble azo compound.Type: GrantFiled: October 20, 1994Date of Patent: November 14, 1995Assignee: Betz Laboratories, Inc.Inventors: Alan E. Goliaszewski, Michael A. Cady, Paul R. Burgmayer, Sydia B. Anderson, William S. Carey, Roger D. Moulton