Patents by Inventor Sridhar Krishnamurthi Siddhamalli
Sridhar Krishnamurthi Siddhamalli 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: 20220212757Abstract: An underwater structure includes a half cylinder with ribs arranged on an interior surface. The half cylinder and the ribs are a semi-monocoque structure including a fiber reinforced thermoplastic composite.Type: ApplicationFiled: May 21, 2021Publication date: July 7, 2022Inventors: Orlando L. Mijares, Dan L. Reller, Sridhar Krishnamurthi Siddhamalli
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Patent number: 10280292Abstract: A flexible tubing material includes a mixture of a polyolefin and a styrenic based block copolymer, wherein the styrenic based block copolymer has an A-B-A block configuration and a molecular weight of at least about 350 kg/mol.Type: GrantFiled: September 16, 2011Date of Patent: May 7, 2019Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: Sridhar Krishnamurthi Siddhamalli, Mark W. Simon
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Patent number: 9987784Abstract: A thermoplastic elastomer tube can include a thermoplastic elastomer component disposed within a matrix. In an embodiment, the thermoplastic elastomer component is disposed within the matrix in a thermoplastic elastomer phase having a number of domains. At least approximately 50% of the domains of the thermoplastic elastomer component have an aspect ratio of no greater than approximately 1.5. In a particular embodiment, the thermoplastic elastomer tube comprises at least approximately 20 wt % of the thermoplastic elastomer component and no greater than approximately 50 wt % of a polyolefin component. In some embodiments, the thermoplastic elastomer component includes styrene.Type: GrantFiled: February 16, 2016Date of Patent: June 5, 2018Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: Sridhar Krishnamurthi Siddhamalli, Mark W. Simon, Steven Schrader, Todd E. Kundinger
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Publication number: 20160158988Abstract: A thermoplastic elastomer tube can include a thermoplastic elastomer component disposed within a matrix. In an embodiment, the thermoplastic elastomer component is disposed within the matrix in a thermoplastic elastomer phase having a number of domains. At least approximately 50% of the domains of the thermoplastic elastomer component have an aspect ratio of no greater than approximately 1.5. In a particular embodiment, the thermoplastic elastomer tube comprises at least approximately 20 wt % of the thermoplastic elastomer component and no greater than approximately 50 wt % of a polyolefin component. In some embodiments, the thermoplastic elastomer component includes styrene.Type: ApplicationFiled: February 16, 2016Publication date: June 9, 2016Inventors: Sridhar Krishnamurthi Siddhamalli, Mark W. Simon, Steven Schrader, Todd E. Kundinger
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Patent number: 9334984Abstract: A thermoplastic elastomer tube can include a thermoplastic elastomer component disposed within a matrix. In an embodiment, the thermoplastic elastomer component is disposed within the matrix in a thermoplastic elastomer phase having a number of domains. At least approximately 50% of the domains of the thermoplastic elastomer component have an aspect ratio of no greater than approximately 1.5. In a particular embodiment, the thermoplastic elastomer tube comprises at least approximately 20 wt % of the thermoplastic elastomer component and no greater than approximately 50 wt % of a polyolefin component. In some embodiments, the thermoplastic elastomer component includes styrene.Type: GrantFiled: May 31, 2013Date of Patent: May 10, 2016Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: Sridhar Krishnamurthi Siddhamalli, Mark W. Simon, Steven Schrader, Todd E. Kundinger
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Patent number: 9133332Abstract: A flexible tubing material includes a radiation crosslinked blend of a first elastomeric polymer including a styrenic thermoplastic elastomer, an ethylene vinyl acetate elastomer, a polylefin elastomer with a second elastomeric polymer including a polyolefin elastomer, a diene elastomer, or combination thereof, with the proviso that the first elastomeric polymer and the second elastomeric polymer are different. In an embodiment, a method of making a material includes providing the first elastomeric polymer, providing the second elastomeric polymer, blending the first elastomeric polymer and the second elastomeric polymer, extruding or injection molding the blend, and crosslinking the blend with radiation.Type: GrantFiled: October 4, 2012Date of Patent: September 15, 2015Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: Yoshitaka Kawamoto, Sridhar Krishnamurthi Siddhamalli
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Patent number: 8956706Abstract: A flexible tubing material includes a radiation crosslinked blend of a first elastomeric polymer including a styrenic thermoplastic elastomer, an ethylene vinyl acetate elastomer, a polyolefin elastomer with a second elastomeric polymer including a polyolefin elastomer, a diene elastomer, or combination thereof, with the proviso that the first elastomeric polymer and the second elastomeric polymer are different. In an embodiment, a method of making a material includes providing the first elastomeric polymer, providing the second elastomeric polymer, blending the first elastomeric polymer and the second elastomeric polymer, extruding or injection molding the blend, and crosslinking the blend with radiation.Type: GrantFiled: December 29, 2010Date of Patent: February 17, 2015Assignee: Saint-Gobain Performance Plastics CorporationInventors: Sridhar Krishnamurthi Siddhamalli, Zhizhong Liu, Mark W. Simon, Charles S. Golub, Heidi Sardinha, Wayne Edward Garver, Mark F. Colton, Robert L. Wells, Gerald L. Stadt, Michael J. Tzivanis, William Risen, Nathan Klettlinger
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Patent number: 8865825Abstract: A dielectric weldable material includes a blend of at least two components including an inert polymer and an elastomeric polar polymer. A method of forming a bond includes providing a substrate having a first end and a second end, wherein the substrate includes a blend of at least two components including an inert polymer and an elastomeric polar polymer. The method further includes bonding the first end and second end of the substrate with high frequency electromagnetic energy.Type: GrantFiled: February 11, 2013Date of Patent: October 21, 2014Assignee: Saint-Gobain Performance Plastics CorporationInventors: Sridhar Krishnamurthi Siddhamalli, Mark W. Simon, Michael E. Cahill
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Publication number: 20140141187Abstract: An article includes a polymeric blend of a polyolefin, a styrenic based block copolymer, and a plasticizer, wherein the article has a cold temperature brittleness point of at least about ?80° C., such as at least about ?90° C., or even as low as about ?110° C., as measured by ASTM D746. In an embodiment, the article is a flexible tube.Type: ApplicationFiled: November 15, 2013Publication date: May 22, 2014Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: Sridhar Krishnamurthi Siddhamalli, Mark W. Simon
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Publication number: 20140037880Abstract: A flexible tube includes a first polymer layer and a second polymer layer adjacent to the first polymer layer. The first polymer layer includes a polyolefin, an ethylene vinyl acetate copolymer, an ethylene/norbornene copolymer, a styrenic block copolymer, a styrene butadiene copolymer, or combination thereof having a total organics content of less than about 12 ?g/L per USP 34, Chapter 643. The second polymer layer includes a polyolefin, a styrenic block copolymer, a blend thereof, or combination thereof, wherein the second polymer layer has a shore A durometer of less than about 65. Further included is a method of forming the flexible tube.Type: ApplicationFiled: July 26, 2013Publication date: February 6, 2014Inventors: Sridhar Krishnamurthi Siddhamalli, Mark W. Simon
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Publication number: 20130327428Abstract: A thermoplastic elastomer tube can include a thermoplastic elastomer component disposed within a matrix. In an embodiment, the thermoplastic elastomer component is disposed within the matrix in a thermoplastic elastomer phase having a number of domains. At least approximately 50% of the domains of the thermoplastic elastomer component have an aspect ratio of no greater than approximately 1.5. In a particular embodiment, the thermoplastic elastomer tube comprises at least approximately 20 wt % of the thermoplastic elastomer component and no greater than approximately 50 wt % of a polyolefin component. In some embodiments, the thermoplastic elastomer component includes styrene.Type: ApplicationFiled: May 31, 2013Publication date: December 12, 2013Inventors: Sridhar Krishnamurthi Siddhamalli, Mark W. Simon, Steven Schrader, Todd E. Kundinger
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Publication number: 20130213569Abstract: A dielectric weldable material includes a blend of at least two components including an inert polymer and an elastomeric polar polymer. A method of forming a bond includes providing a substrate having a first end and a second end, wherein the substrate includes a blend of at least two components including an inert polymer and an elastomeric polar polymer. The method further includes bonding the first end and second end of the substrate with high frequency electromagnetic energy.Type: ApplicationFiled: February 11, 2013Publication date: August 22, 2013Inventors: Sridhar Krishnamurthi Siddhamalli, Mark W. Simon, Michael E. Cahill
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Publication number: 20130072633Abstract: A flexible tubing material includes a radiation crosslinked blend of a first elastomeric polymer including a styrenic thermoplastic elastomer, an ethylene vinyl acetate elastomer, a polylefin elastomer with a second elastomeric polymer including a polyolefin elastomer, a diene elastomer, or combination thereof, with the proviso that the first elastomeric polymer and the second elastomeric polymer are different. In an embodiment, a method of making a material includes providing the first elastomeric polymer, providing the second elastomeric polymer, blending the first elastomeric polymer and the second elastomeric polymer, extruding or injection molding the blend, and crosslinking the blend with radiation.Type: ApplicationFiled: October 4, 2012Publication date: March 21, 2013Inventors: Yoshitaka Kawamoto, Sridhar Krishnamurthi Siddhamalli
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Patent number: 8399556Abstract: A dielectric weldable material includes a blend of at least two components including an inert polymer and an elastomeric polar polymer. A method of forming a bond includes providing a substrate having a first end and a second end, wherein the substrate includes a blend of at least two components including an inert polymer and an elastomeric polar polymer. The method further includes bonding the first end and second end of the substrate with high frequency electromagnetic energy.Type: GrantFiled: July 2, 2010Date of Patent: March 19, 2013Assignee: Saint-Gobain Performance Plastics CorporationInventors: Sridhar Krishnamurthi Siddhamalli, Mark W. Simon, Michael E. Cahill
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Publication number: 20120070597Abstract: A flexible tubing material includes a mixture of a polyolefin and a styrenic based block copolymer, wherein the styrenic based block copolymer has an A-B-A block configuration and a molecular weight of at least about 350 kg/mol.Type: ApplicationFiled: September 16, 2011Publication date: March 22, 2012Applicant: Saint-Gobain Performance Plastics CorporationInventors: Sridhar Krishnamurthi Siddhamalli, Mark W. Simon
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Publication number: 20110003104Abstract: A dielectric weldable material includes a blend of at least two components including an inert polymer and an elastomeric polar polymer. A method of forming a bond includes providing a substrate having a first end and a second end, wherein the substrate includes a blend of at least two components including an inert polymer and an elastomeric polar polymer. The method further includes bonding the first end and second end of the substrate with high frequency electromagnetic energy.Type: ApplicationFiled: July 2, 2010Publication date: January 6, 2011Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: Sridhar Krishnamurthi Siddhamalli, Mark W. Simon, Michael E. Cahill