Patents by Inventor Sudhir S. Kulkarni
Sudhir S. Kulkarni 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: 20240058763Abstract: A hollow fiber membrane bundle useful for manufacturing a wide variety of hollow fiber membrane modules having different flow configurations includes hollow fiber membranes arranged around a porous support tube, a cured resin tubesheet formed at first end of the bundle, and either a cured resin nub or a cured resin tubesheet formed at a second end of the bundle. The bore(s) of the hollow fiber membranes are open at a face of the tubesheet adjacent the first end of the bundle. The tubesheet has an annular structure that encapsulates the hollow fiber membranes and the porous support tube at the first end of the bundle but which does not completely block a bore of the porous support tube, wherein the collection tube has a plurality of orifices formed therein at least at positions adjacent the nub.Type: ApplicationFiled: August 16, 2022Publication date: February 22, 2024Applicants: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude, Air Liquide Advanced Technologies U.S. LLCInventors: Sandeep K. KARODE, Karl BEERS, Sudhir S. KULKARNI, Tim POLUDNIAK, Fan Z. WORLEY, Ed SANDERS, JR.
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Publication number: 20240058762Abstract: A hollow fiber membrane bundle useful for manufacturing a wide variety of hollow fiber membrane modules having different flow configurations includes hollow fiber membranes arranged around a porous support tube, a cured resin tubesheet formed at first end of the bundle, and either a cured resin nub or a cured resin tubesheet formed at a second end of the bundle. The bore(s) of the hollow fiber membranes are open at a face of the tubesheet adjacent the first end of the bundle. The tubesheet has an annular structure that encapsulates the hollow fiber membranes and the porous support tube at the first end of the bundle but which does not completely block a bore of the porous support tube, wherein the collection tube has a plurality of orifices formed therein at least at positions adjacent the nub.Type: ApplicationFiled: August 16, 2022Publication date: February 22, 2024Applicants: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges Claude, Air Liquide Advanced Technologies U.S. LLCInventors: Sandeep K. KARODE, Karl BEERS, Sudhir S. KULKARNI, Tim POLUDNIAK, Fan Z. WORLEY, Ed SANDERS, JR.
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Publication number: 20230398494Abstract: A hollow fiber membrane bundle useful for manufacturing a wide variety of hollow fiber membrane modules having different flow configurations includes hollow fiber membranes arranged around a porous support tube, a cured resin tubesheet formed at first end of the bundle, and either a cured resin nub or a cured resin tubesheet formed at a second end of the bundle. The bore(s) of the hollow fiber membranes are open at a face of the tubesheet adjacent the first end of the bundle. The tubesheet has an annular structure that encapsulates the hollow fiber membranes and the porous support tube at the first end of the bundle but which does not completely block a bore of the porous support tube, wherein the collection tube has a plurality of orifices formed therein at least at positions adjacent the nub.Type: ApplicationFiled: June 9, 2022Publication date: December 14, 2023Applicants: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude, Air Liquide Advanced Technologies U.S. LLCInventors: Sandeep K. KARODE, Karl BEERS, Sudhir S. KULKARNI, Tim POLUDNIAK, Fan Z. WORLEY, Ed SANDERS, JR.
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Publication number: 20230398496Abstract: A hollow fiber membrane bundle useful for manufacturing a wide variety of hollow fiber membrane modules having different flow configurations includes hollow fiber membranes arranged around a porous support tube, a cured resin tubesheet formed at first end of the bundle, and either a cured resin nub or a cured resin tubesheet formed at a second end of the bundle. The bore(s) of the hollow fiber membranes are open at a face of the tubesheet adjacent the first end of the bundle. The tubesheet has an annular structure that encapsulates the hollow fiber membranes and the porous support tube at the first end of the bundle but which does not completely block a bore of the porous support tube, wherein the collection tube has a plurality of orifices formed therein at least at positions adjacent the nub.Type: ApplicationFiled: June 9, 2022Publication date: December 14, 2023Applicants: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude, Air Liquide Advanced Technologies U.S. LLCInventors: Sandeep K. KARODE, Karl BEERS, Sudhir S. KULKARNI, Tim POLUDNIAK, Fan Z. WORLEY, Ed SANDERS, JR.
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Publication number: 20220152552Abstract: The invention relates to a method for membrane permeation of a gas flow including methane and carbon dioxide, wherein said gas flow is cooled to a temperature of 0° C. to ?60° C. before being fed into a membrane separation unit.Type: ApplicationFiled: October 20, 2021Publication date: May 19, 2022Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Sarah BIGEARD, Delphine GARNAUD, David J. HASSE, Sudhir S. KULKARNI, Edgar S. SANDERS, JR., Golo ZICK
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Patent number: 10821392Abstract: A composite fiber comprising sorbent particles (at 50 wt %) in a polymeric matrix that comprises a polymer or blend of polymers including at least one thermoplastic polymer, the extrudates being produced by thermal-induced phase separation or diffusion-induced phase separation from a dope suspension of the thermoplastic polymer, an optional solvent and the sorbent particles. The polymer or blend of polymers is able to withstand exposure to temperatures at or above 220° C. without experiencing significant detrimental effects upon the sorbent capacity of the sorbent particles. The fiber exhibits an elongation at break of at least 5%.Type: GrantFiled: December 20, 2019Date of Patent: November 3, 2020Assignees: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude, Air Liquide Advanced Technologies U.S. LLCInventors: Philippe A. Coignet, Dean W. Kratzer, Sudhir S. Kulkarni, Edgar S. Sanders, Jr.
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Patent number: 10753504Abstract: A proportional solenoid-controlled fluid valve assembly having a fluid pressure balancing diaphragm. The valve assembly also includes a solenoid coil assembly having a cylindrical conduit and a magnetic orifice piece positioned within the conduit. A plunger is positioned within the conduit and is movable within the conduit between a de-actuated position and an actuated position. A pressure balancing diaphragm is provided having a top side, a bottom side, an outer annular flange portion, a U-shaped portion, and an inner annular flange terminating at a diaphragm opening, with the diaphragm being positioned within valve base with the outer annular flange portion abutting the ledge of the valve base and the U-shaped portion abutting the valve seat. A retainer is also provided having a top cylindrical upstanding portion extending through the diaphragm opening and an aperture formed in the plunger.Type: GrantFiled: February 2, 2018Date of Patent: August 25, 2020Inventors: Viraraghavan S. Kumar, Sudhir S. Kulkarni, Shailesh Pradhananga
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Publication number: 20200139292Abstract: A composite fiber comprising sorbent particles (at 50 wt %) in a polymeric matrix that comprises a polymer or blend of polymers including at least one thermoplastic polymer, the extrudates being produced by thermal-induced phase separation or diffusion-induced phase separation from a dope suspension of the thermoplastic polymer, an optional solvent and the sorbent particles. The polymer or blend of polymers is able to withstand exposure to temperatures at or above 220° C. without experiencing significant detrimental effects upon the sorbent capacity of the sorbent particles. The fiber exhibits an elongation at break of at least 5%.Type: ApplicationFiled: December 20, 2019Publication date: May 7, 2020Applicants: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude, AIR LIQUIDE ADVANCED TECHNOLOGIES U.S. LLCInventors: Philippe A. COIGNET, Dean W. KRATZER, Sudhir S. KULKARNI, Edgar S. SANDERS, JR.
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Patent number: 10525400Abstract: A plurality of extrudates comprises sorbent particles (at 50 wt %) in a polymeric matrix that comprises a polymer or blend of polymers including at least one thermoplastic polymer, the extrudates being produced by thermal-induced phase separation or diffusion-induced phase separation from a dope suspension of the thermoplastic polymer, an optional solvent and the sorbent particles. The polymer or blend of polymers is able to withstand exposure to temperatures at or above 220° C. without experiencing significant detrimental effects upon the sorbent capacity of the sorbent particles.Type: GrantFiled: December 29, 2017Date of Patent: January 7, 2020Assignees: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude, Air Liquide Advanced Technologies U.S. LLCInventors: Philippe A. Coignet, Dean W. Kratzer, Sudhir S. Kulkarni, Edgar S. Sanders, Jr.
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Patent number: 10525399Abstract: A composite fiber comprising sorbent particles (at 50 wt %) in a polymeric matrix that comprises a polymer or blend of polymers including at least one thermoplastic polymer, the extrudates being produced by thermal-induced phase separation or diffusion-induced phase separation from a dope suspension of the thermoplastic polymer, an optional solvent and the sorbent particles. The polymer or blend of polymers is able to withstand exposure to temperatures at or above 220° C. without experiencing significant detrimental effects upon the sorbent capacity of the sorbent particles. The fiber exhibits an elongation at break of at least 5%.Type: GrantFiled: December 29, 2017Date of Patent: January 7, 2020Assignees: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude, Air Liquide Advanced Technologies U.S. LLCInventors: Philippe A. Coignet, Dean W. Kratzer, Sudhir S. Kulkarni, Edgar S. Sanders, Jr.
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Patent number: 10315184Abstract: A bead comprised of a matrix of at least 50 wt % adsorbent particles and a thermoplastic polymer or a blend of thermoplastic polymers, the thermoplastic polymer or blend of thermoplastic polymers exhibiting a Vicat softening temperature of at least 240° C.Type: GrantFiled: April 17, 2017Date of Patent: June 11, 2019Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Philippe A. Coignet, Dean W. Kratzer, Sudhir S. Kulkarni, Edgar S. Sanders, Jr.
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Publication number: 20180296966Abstract: A composite fiber comprising sorbent particles (at 50 wt %) in a polymeric matrix that comprises a polymer or blend of polymers including at least one thermoplastic polymer, the extrudates being produced by thermal-induced phase separation or diffusion-induced phase separation from a dope suspension of the thermoplastic polymer, an optional solvent and the sorbent particles. The polymer or blend of polymers is able to withstand exposure to temperatures at or above 220° C. without experiencing significant detrimental effects upon the sorbent capacity of the sorbent particles. The fiber exhibits an elongation at break of at least 5%.Type: ApplicationFiled: December 29, 2017Publication date: October 18, 2018Applicants: AIR LIQUIDE ADVANCED TECHNOLOGIES U.S. LLC.Inventors: Philippe A. Coignet, Dean W. Kratzer, Sudhir S. Kulkarni, Edgar S. Sanders, JR.
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Publication number: 20180296967Abstract: A plurality of extrudates comprises sorbent particles (at 50 wt %) in a polymeric matrix that comprises a polymer or blend of polymers including at least one thermoplastic polymer, the extrudates being produced by thermal-induced phase separation or diffusion-induced phase separation from a dope suspension of the thermoplastic polymer, an optional solvent and the sorbent particles. The polymer or blend of polymers is able to withstand exposure to temperatures at or above 220° C. without experiencing significant detrimental effects upon the sorbent capacity of the sorbent particles.Type: ApplicationFiled: December 29, 2017Publication date: October 18, 2018Applicants: L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude, AIR LIQUIDE ADVANCED TECHNOLOGIES U.S. LLCInventors: Philippe A. Coignet, Dean W. Kratzer, Sudhir S. Kulkarni, Edgar S. Sanders, JR.
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Patent number: 10016728Abstract: A gas separation membrane module includes a seal between a higher pressure gas and a lower pressure gas. The seal includes a compressible sealing member in between sealing surfaces. At least one of the sealing surfaces has corrosion-resistant cladding provided over either low alloy steel or high alloy steel. The cladding reduce the possibility of a seal failure due to corrosion of low alloy or high alloy steel exposed to acid gases or condensed moisture containing acid gases dissolved therein while at the same not requiring that all surfaces of the membrane module exposed to acid gases be provided with cladding.Type: GrantFiled: June 28, 2016Date of Patent: July 10, 2018Assignees: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Etude Et L'Exploitation Des Procedes Georges Claude, Air Liquide Advanced Technolgies U.S. LLC, Saudi Arabian Oil CompanyInventors: Sudhir S. Kulkarni, Karl S. Beers, Jean-Pierre R. Ballaguet, Milind M. Vaidya, Sebastien A. Duval
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Patent number: 9962659Abstract: A gas separation membrane module includes a seal between a higher pressure gas and a lower pressure gas. The seal includes a compressible sealing member in between sealing surfaces. At least one of the sealing surfaces has corrosion-resistant cladding provided over either low alloy steel or high alloy steel. The cladding reduce the possibility of a seal failure due to corrosion of low alloy or high alloy steel exposed to acid gases or condensed moisture containing acid gases dissolved therein while at the same not requiring that all surfaces of the membrane module exposed to acid gases be provided with cladding.Type: GrantFiled: June 28, 2016Date of Patent: May 8, 2018Assignees: AIR LIQUIDE ADVANCED TECHNOLOGIES U.S. LLC, L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE, SAUDI ARABIAN OIL COMPANYInventors: Sudhir S. Kulkarni, Karl S. Beers, Jean-Pierre R. Ballaguet, Milind M. Vaidya, Sebastien A. Duval
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Patent number: 9895653Abstract: In a process for the separation of a stream containing carbon dioxide, water and at least one light impurity including a separation step at subambient temperature, the feed stream is compressed in a compressor comprising at least two stages to form a compressed feed stream, the compressed feed stream is purified in an adsorption unit to remove water and form a dried compressed stream, the dried compressed stream or a stream derived therefrom is cooled to a subambient temperature and separated by partial condensation and/or distillation in a separation apparatus, liquid enriched in carbon dioxide is removed from the separation apparatus, the adsorption unit is regenerated using a regeneration gas and the regeneration gas is formed by separating, by permeation in a permeation unit, the dried compressed stream or a gas derived therefrom, the permeate of the permeation unit constituting the regeneration gas.Type: GrantFiled: July 11, 2013Date of Patent: February 20, 2018Assignee: L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDEInventors: Arthur Darde, Richard Dubettier-Grenier, David J. Hasse, Sudhir S. Kulkarni, Mathieu LeClerc, Paul Terrien
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Patent number: 9879797Abstract: A valve assembly includes a valve base having a tubular section with a longitudinal bore formed therein, a fluid inlet port and a common port with an internal passageway therebetween. A solenoid coil is adapted to generate a magnetic flux and includes a longitudinal axis and a bore coaxial therewith. The valve assembly further includes an orifice piece positioned within the longitudinal bore of the valve base. The orifice piece includes a central passageway with a first end and a second end. A plunger is movable within the longitudinal bore between a first de-actuated position and a second actuated position.Type: GrantFiled: April 10, 2015Date of Patent: January 30, 2018Assignee: IQ VALVES, CO.Inventors: Viraraghavan S. Kumar, Alvaro Andres Reyes, Sudhir S. Kulkarni, Shailesh Pradhananga
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Patent number: 9816755Abstract: A process for separating carbon dioxide from a fluid containing carbon dioxide, NO2, and at least one of oxygen, argon, and nitrogen comprises the steps of separating at least part of the fluid into a carbon dioxide enriched stream, a carbon dioxide depleted stream comprising CO2 and at least one of oxygen, argon, and nitrogen and a NO2 enriched stream and recycling said NO2 enriched stream upstream of the separation step.Type: GrantFiled: June 30, 2016Date of Patent: November 14, 2017Assignee: L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges ClaudeInventors: Gregoire Beasse, Sudhir S. Kulkarni, Madhava R. Kosuri, Matthieu Leclerc, Claire Bourhy-Weber
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Publication number: 20170304769Abstract: The invention relates to a method for membrane permeation of a gas flow including methane and carbon dioxide, wherein said gas flow is cooled to a temperature of 0° C. to ?60° C. before being fed into a membrane separation unit.Type: ApplicationFiled: August 12, 2015Publication date: October 26, 2017Applicant: L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Procedes Georges ClaudeInventors: Sarah BIGEARD, Delphine GARNAUD, David J. HASSE, Sudhir S. KULKARNI, Edgar S. SANDERS, Golo ZICK
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Publication number: 20170001149Abstract: A gas separation membrane module includes a seal between a higher pressure gas and a lower pressure gas. The seal includes a compressible sealing member in between sealing surfaces. At least one of the sealing surfaces has corrosion-resistant cladding provided over either low alloy steel or high alloy steel. The cladding reduce the possibility of a seal failure due to corrosion of low alloy or high alloy steel exposed to acid gases or condensed moisture containing acid gases dissolved therein while at the same not requiring that all surfaces of the membrane module exposed to acid gases be provided with cladding.Type: ApplicationFiled: June 28, 2016Publication date: January 5, 2017Applicants: Air Liquide Advanced Technologies U.S. LP, L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude, SAUDI ARABIAN OIL COMPANYInventors: Sudhir S. KULKARNI, Karl S. BEERS, Jean-Pierre R. BALLAGUET, Milind M. VAIDYA, Sebastien A. DUVAL