Patents by Inventor Patricia CRAWFORD
Patricia CRAWFORD 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: 20230374370Abstract: Compositions may include a corrosion inhibitor including a heterocyclic diamine prepared from the reaction of an alkyl diamine and an aldehyde, wherein the alkyl diamine has the general formula: R4NH(CH2)nNHR5, where n is an integer between 3 and 6, and R4 and R5 are independently hydrogen or a C2-C30 saturated or unsaturated hydrocarbon radical. Methods may include contacting a metal surface with a corrosion inhibitor composition, wherein the corrosion inhibitor includes a heterocyclic diamine corrosion inhibitor from the reaction of an alkyl diamine and an aldehyde, wherein the alkyl diamine has the general formula: R4NH(CH2)nNHR5, where n is an integer between 3 and 6, and R4 and R5 are independently hydrogen or a C2-C30 saturated or unsaturated hydrocarbon radical.Type: ApplicationFiled: August 3, 2023Publication date: November 23, 2023Inventors: Paul Barnes, Tore Nordvik, Trevor Lloyd Hughes, Lynne Patricia Crawford, Evgeny Barmatov
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Patent number: 11760918Abstract: Compositions may include a corrosion inhibitor including a heterocyclic diamine prepared from the reaction of an alkyl diamine and an aldehyde, wherein the alkyl diamine has the general formula: R4NH(CH2)nNHR5, where n is an integer between 3 and 6, and R4 and R5 are independently hydrogen or a C2-C30 saturated or unsaturated hydrocarbon radical. Methods may include contacting a metal surface with a corrosion inhibitor composition, wherein the corrosion inhibitor includes a heterocyclic diamine corrosion inhibitor from the reaction of an alkyl diamine and an aldehyde, wherein the alkyl diamine has the general formula: R4NH(CH2)nNHR5, where n is an integer between 3 and 6, and R4 and R5 are independently hydrogen or a C2-C30 saturated or unsaturated hydrocarbon radical.Type: GrantFiled: May 8, 2019Date of Patent: September 19, 2023Assignee: CAMERON INTERNATIONAL CORPORATIONInventors: Paul Barnes, Tore Nordvik, Trevor Lloyd Hughes, Lynne Patricia Crawford, Evgeny Barmatov
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Publication number: 20230100987Abstract: An aqueous acid composition that may be used, for example, in a matrix acidizing treatment can include an acid, a polymeric acid corrosion inhibitor, and an acid corrosion inhibitor intensifier. The acid corrosion inhibitor can include iodide ions and metal ions, with the metal ions being one or more of copper, silver, bismuth, or antimony. The molar ratio of metal ions to iodide ions can be 1:X, where X is greater than or equal to 2. The polymer of the polymeric acid corrosion inhibitor can have a molecular weight less than 100,000 g/mol.Type: ApplicationFiled: November 18, 2022Publication date: March 30, 2023Inventors: Evgeny Borisovich Barmatov, Jill F. Geddes, Man Yi Ho, Trevor Lloyd Hughes, Lynne Patricia Crawford
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Patent number: 11505733Abstract: An aqueous acid composition that may be used, for example, in a matrix acidizing treatment can include an acid, a polymeric acid corrosion inhibitor, and an acid corrosion inhibitor intensifier. The acid corrosion inhibitor can include iodide ions and metal ions, with the metal ions being one or more of copper, silver, bismuth, or antimony. The molar ratio of metal ions to iodide ions can be 1:X, where X is greater than or equal to 2. The polymer of the polymeric acid corrosion inhibitor can have a molecular weight less than 100,000 g/mol.Type: GrantFiled: April 15, 2020Date of Patent: November 22, 2022Assignee: Schlumberger Technology CorporationInventors: Trevor Lloyd Hughes, Evgeny Borisovich Barmatov, Lynne Patricia Crawford, Jill F. Geddes, Man Yi Ho
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Publication number: 20210238469Abstract: Compositions may include a corrosion inhibitor including a heterocyclic diamine prepared from the reaction of an alkyl diamine and an aldehyde, wherein the alkyl diamine has the general formula: R4NH(CH2)nNHR5, where n is an integer between 3 and 6, and R4 and R5 are independently hydrogen or a C2-C30 saturated or unsaturated hydrocarbon radical. Methods may include contacting a metal surface with a corrosion inhibitor composition, wherein the corrosion inhibitor includes a heterocyclic diamine corrosion inhibitor from the reaction of an alkyl diamine and an aldehyde, wherein the alkyl diamine has the general formula: R4NH(CH2)nNHR5, where n is an integer between 3 and 6, and R4 and R5 are independently hydrogen or a C2-C30 saturated or unsaturated hydrocarbon radical.Type: ApplicationFiled: May 8, 2019Publication date: August 5, 2021Inventors: Paul Barnes, Tore Nordvik, Trevor Lloyd Hughes, Lynne Patricia Crawford, Evgeny Barmatov
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Patent number: 10982337Abstract: A corrosion inhibiting compound with a general structure A-B or A-X-B for inhibition of corrosion of steel in acidic solution. A comprises a heterocyclic ring system having a plurality of cyclic Carbon atoms and at least one cyclic Nitrogen atom, wherein the at least one cyclic Nitrogen atom is neutral under neutral conditions and protonatable under acidic conditions. B comprises at least two unsaturated Carbon atoms. B may comprise a ring system or a polymerisable group.Type: GrantFiled: October 17, 2016Date of Patent: April 20, 2021Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Lynne Patricia Crawford, Evgeny Borisovich Barmatov, Trevor Lloyd Hughes, Man Yi Ho
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Publication number: 20200332175Abstract: An aqueous acid composition that may be used, for example, in a matrix acidizing treatment can include an acid, a polymeric acid corrosion inhibitor, and an acid corrosion inhibitor intensifier. The acid corrosion inhibitor can include iodide ions and metal ions, with the metal ions being one or more of copper, silver, bismuth, or antimony. The molar ratio of metal ions to iodide ions can be 1:X, where X is greater than or equal to 2. The polymer of the polymeric acid corrosion inhibitor can have a molecular weight less than 100,000 g/mol.Type: ApplicationFiled: April 15, 2020Publication date: October 22, 2020Inventors: Trevor Lloyd Hughes, Evgeny Borisovich Barmatov, Lynne Patricia Crawford, Jill F. Geddes, Man Yi Ho
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Patent number: 10787745Abstract: A corrosion inhibiting composition which is a liquid carrier in which is dissolved or dispersed a corrosion inhibitor compound comprising at least one moiety (A) which is an aliphatic, aromatic or mixed aliphatic/aromatic structure containing one or more hetero atoms which are nitrogen, oxygen, phosphorus or sulphur, and also at least one moiety (B) which contains one or more polymerisable groups containing double or triple bonded carbon, with the moieties (A) and (B) directly or indirectly covalently connected together.Type: GrantFiled: October 19, 2015Date of Patent: September 29, 2020Assignee: Schlumberger Technology CorporationInventors: Evgeny Borisovich Barmatov, Jill F. Geddes, Lynne Patricia Crawford, Trevor Lloyd Hughes, Michaela Nagl-Vogel
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Publication number: 20190291096Abstract: Provided is a method of treating a vinyl aromatic resin (I) comprising (a) bringing the vinyl aromatic resin (I) into contact with an alcohol, and maintaining the contact between the vinyl aromatic resin (I) and the alcohol for 10 minutes or more, and (b) bringing the vinyl aromatic resin into contact with a base. wherein the vinyl aromatic resin (I), prior to steps (a) and (b), has benzyl chloride groups, benzyl alcohol groups, and methylene bridge groups.Type: ApplicationFiled: June 19, 2017Publication date: September 26, 2019Inventors: William Carlin, Patricia Crawford, Martin Deetz, John C. Rohanna, Alfred K. Schultz, Lauren Versagli
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Publication number: 20180312980Abstract: A corrosion inhibiting compound with a general structure A-B or A-X-B for inhibition of corrosion of steel in acidic solution. A comprises a heterocyclic ring system having a plurality of cyclic Carbon atoms and at least one cyclic Nitrogen atom, wherein the at least one cyclic Nitrogen atom is neutral under neutral conditions and protonatable under acidic conditions. B comprises at least two unsaturated Carbon atoms. B may comprise a ring system or a polymerisable group.Type: ApplicationFiled: October 17, 2016Publication date: November 1, 2018Inventors: Lynne Patricia Crawford, Evgeny Borisovich Barmatov, Trevor Lloyd Hughes, Man Yi Ho
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Publication number: 20180135187Abstract: Corrosion of steel in acidic solution is inhibited using a mixture of a compound in which a plurality of heterocyclic aromatic groups with a quaternary nitrogen atom are connected together, such as by a linking group which may be covalently attached to the quaternary nitrogen atoms of the aromatic heterocyclic rings, and a polarizable adsorption-intensifying anion.Type: ApplicationFiled: October 19, 2015Publication date: May 17, 2018Inventors: Lynne Patricia Crawford, Evgeny Borisovich Barmatov, Trevor Lloyd Hughes, Man Yi Ho
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Publication number: 20170335467Abstract: A corrosion inhibiting composition which is a liquid carrier in which is dissolved or dispersed a corrosion inhibitor compound comprising at least one moiety (A) which is an aliphatic, aromatic or mixed aliphatic/aromatic structure containing one or more hetero atoms which are nitrogen, oxygen, phosphorus or sulphur, and also at least one moiety (B) which contains one or more polymerisable groups containing double or triple bonded carbon, with the moieties (A) and (B) directly or indirectly covalently connected together.Type: ApplicationFiled: October 19, 2015Publication date: November 23, 2017Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Evgeny Borisovich BARMATOV, Jill F. GEDDES, Lynne Patricia CRAWFORD, Trevor Lloyd HUGHES, Michaela NAGL-VOGEL
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Publication number: 20140156298Abstract: A modular system for facilitating fulfillment and patient adherence for multiple prescriptions. Each module is an independently executing software widget configured to perform complementary tasks in a coordinated manner to achieve specific functions as described below. Including a system module to determine a patient customize drug regimen schedule, a module to identify potential side effects and drug interactions, and other modules useful to fulfill a patient order for multiple-medications.Type: ApplicationFiled: December 10, 2013Publication date: June 5, 2014Inventors: Patricia CRAWFORD, Mark MAGLIONE, Justin TOWLE, Thomas R. GRINNAN, Sandra J. EYERLY, Frederick THOMPSON, Kenneth G. SADLER
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Publication number: 20140155305Abstract: An aqueous solution comprising a thickening polymer with diol groups distributed along it, such as guar or other polysaccharide, is cross linked with a cross-linker which contains a plurality of boroxole groups of the partial formula wherein R1 is hydrogen or a substituent group or an attachment to the remainder of the cross-linker molecule, R2 is hydrogen or a substituent group, R3 is hydrogen or an aliphatic or aromatic group and the carbon atoms joined by a double bond are part of an aromatic ring. The thickened fluid may be a wellbore fluid and may be a hydraulic fracturing fluid in which a particulate proppant is suspended.Type: ApplicationFiled: December 4, 2013Publication date: June 5, 2014Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Robert Seth HARTSHORNE, Karene Guilaine URGIN, Lynne Patricia CRAWFORD, Philip F. SULLIVAN, Paul Richard HOWARD, Trevor Lloyd HUGHES, Timothy G. J. JONES
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Publication number: 20140156064Abstract: Techniques to deliver multiple medications in a synchronized manner are described. A synchronization engine operative on a processor component may receive a prescription order for a period of days comprised of multiple prescriptions for a single patient. Each prescription may be representative of a medication and include prescription data. The prescriptions may be synchronized to conform to the period of days. A customization engine operative on the processor component may determine a master hours of administration (HOA) schedule for all of the prescriptions in the prescription order over the period of days. The medications may be placed into the appropriate pouches of a single customized package based on the master HOA schedule. The single customized package houses all of the medications for all of the prescriptions and may include one or more pouches for each day in the period. Other embodiments are described and claimed.Type: ApplicationFiled: December 5, 2013Publication date: June 5, 2014Inventors: Patricia CRAWFORD, Mark MAGLIONE, Justin TOWLE, Thomas R. GRINNAN, Sandra J. EYERLY, Frederick THOMPSON, Kenneth G. SADLER
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Patent number: 7625487Abstract: An adsorptive bed having hydrous iron oxide and calcium carbonate materials. The adsorptive bed is useful in water treatment applications for removing metal contaminants, particularly for removing arsenic-containing ions.Type: GrantFiled: December 29, 2008Date of Patent: December 1, 2009Assignee: Rohm and Haas CompanyInventors: Patricia A. Crawford, Charles J. Hickey, Garth R. Parker, Jr., Jose Antonio Trejo
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Publication number: 20090184054Abstract: An adsorptive bed having hydrous iron oxide and calcium carbonate materials. The adsorptive bed is useful in water treatment applications for removing metal contaminants, particularly for removing arsenic-containing ions.Type: ApplicationFiled: December 29, 2008Publication date: July 23, 2009Inventors: Patricia A. Crawford, Charles J. Hickey, Garth R. Parker, JR., Jose Antonio Trejo