Patents by Inventor Vikram Gopal
Vikram Gopal 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: 20240155494Abstract: A user equipment (UE) may monitor a channel for wireless communication associated with a first radio access technology (RAT) during one or more of a first active duration or a first inactive duration. The UE may operate in a first power mode during the first inactive duration. The UE may monitor the channel for wireless communication associated with a second RAT during one or more of a second active duration or a second inactive duration. The UE may operate during the second inactive duration in one or more of the first power mode or a second power. The UE may operate according to the first mode or the second mode based on the monitoring of the channel associated with the first RAT and the second RAT.Type: ApplicationFiled: January 18, 2024Publication date: May 9, 2024Inventors: Reza SHAHIDI, Brian Clarke BANISTER, Vishal MAHAJAN, Vikram RAMESH BABU, Joshua Tennyson MACDONALD, Thawatt GOPAL, Udayan BHAWNANI, Yu FU, Bhupesh Manoharlal UMATT, Sridhar BANDARU, Scott HOOVER, Brian GEORGE, Hemanth Kumar RAYAPATI, Sunil KC, Sandeep RAMANNAVAR, Sandeep RAO
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Publication number: 20230242735Abstract: Provided is a textile made of filament yarn comprising a polymer composition that is durable and reusable having permanent or near-permanent antiviral properties and that includes a polymer, a metal ion, preferably a zinc and/or copper ion, and an optional phosphorus compound, wherein fibers and/or fabric formed from the polymer composition demonstrate antiviral properties and wherein the polymer is hygroscopic. The present disclosure also describes methods of forming the polymer compositions and methods of preparing fibers from the polymer composition.Type: ApplicationFiled: March 31, 2023Publication date: August 3, 2023Applicant: Ascend Performance Materials Operations LLCInventors: Vikram GOPAL, Wai-shing YUNG, Albert ORTEGA
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Patent number: 11674247Abstract: A nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.Type: GrantFiled: July 22, 2022Date of Patent: June 13, 2023Assignee: Ascend Performance Materials Operations LLCInventors: Wai-shing Yung, Scott E. Osborn, Chris E. Schwier, Vikram Gopal, Albert Ortega
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Patent number: 11618238Abstract: Nonwoven multilayer structures having at least two nanofiber layers are described herein. The nonwoven multilayer structure may have two nanofibers layers that have different properties from each other, such as fiber diameter. One nanofiber layer may be produced by an electrospinning process, while another nanofiber layer may be produced by a melt blown process.Type: GrantFiled: April 10, 2020Date of Patent: April 4, 2023Assignee: Ascend Performance Materials Operations LLCInventors: Wai-Shing Yung, Albert E. Ortega, Joseph L. Menner, Vikram Gopal
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Patent number: 11618810Abstract: Provided is a textile made of filament yarn comprising a polymer composition that is durable and reusable having permanent or near-permanent antiviral properties and that includes a polymer, a metal ion, preferably a zinc and/or copper ion, and an optional phosphorus compound, wherein fibers and/or fabric formed from the polymer composition demonstrate antiviral properties and wherein the polymer is hygroscopic. The present disclosure also describes methods of forming the polymer compositions and methods of preparing fibers from the polymer composition.Type: GrantFiled: March 4, 2021Date of Patent: April 4, 2023Assignee: Ascend Performance Materials Operations LLCInventors: Vikram Gopal, Wai-shing Yung, Albert Ortega
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Publication number: 20230088990Abstract: An antimicrobial conveyor belt apparatus comprising multiple segments each having a body portion and interlocking fingers extending from the body portion. The segments comprise a polymer composition comprising from 50 wt. % to 99.9 wt. % of a polymer, from 0.01 wt % to 10 wt % zinc, optionally from a zinc compound, less than 1 wt % of a phosphorus compound, and from 0 wt % to 20 wt % molding additives. The conveyor belt apparatus (or the segments thereof) demonstrates a Staphylococcus aureus log reduction greater than 1.0, as determined via ISO 22196:2011.Type: ApplicationFiled: September 16, 2022Publication date: March 23, 2023Applicant: Ascend Performance Materials Operations LLCInventors: Vikram Gopal, Dhruv Shah, Changizes Sadr, Austin Maples, Bradley Sparks
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Patent number: 11578438Abstract: A nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.Type: GrantFiled: May 12, 2021Date of Patent: February 14, 2023Assignee: Ascend Performance Materials Operations LLCInventors: Wai-shing Yung, Scott E. Osborn, Chris E. Schwier, Vikram Gopal, Albert Ortega
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Publication number: 20220372681Abstract: A nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.Type: ApplicationFiled: July 22, 2022Publication date: November 24, 2022Applicant: Ascend Performance Materials Operations LLCInventors: Wai-shing Yung, Scott E. Osborn, Chris E. Schwier, Vikram Gopal, Albert Ortega
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Patent number: 11421359Abstract: A nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.Type: GrantFiled: May 21, 2020Date of Patent: August 23, 2022Assignee: Ascend Performance Materials Operations LLCInventors: Wai-shing Yung, Scott E. Osborn, Chris E. Schwier, Vikram Gopal, Albert Ortega
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Patent number: 11376534Abstract: A filter comprising a nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.Type: GrantFiled: May 1, 2020Date of Patent: July 5, 2022Assignee: Ascend Performance Materials Operations LLCInventors: Wai-Shing Yung, Scott E. Osborn, Chris E. Schwier, Vikram Gopal, Albert Ortega, Joseph L. Menner
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Publication number: 20220054964Abstract: Provided herein are filter media structures having antimicrobial and/or antiviral properties. In particular, the present disclosure describes filter media structures having a first layer with an electret web and a second layer that demonstrates biological-reducing properties. In some cases, the first layer is formed from polypropylene (e.g., spunbond) and the second layer is formed from a plurality of fibers of a polyamide composition (e.g., meltblown).Type: ApplicationFiled: August 20, 2021Publication date: February 24, 2022Applicant: Ascend Performance Materials Operations LLCInventors: Vikram GOPAL, Natasha DEAN, Albert ORTEGA, Wai-shing YUNG, Ping HAO
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Publication number: 20210322908Abstract: A filter or mask structure, comprising a first face layer comprising a polymer and having a face basis weight, a second outer layer comprising a polymer and having an outer basis weight less than 34 gsm, and a third outer layer comprising a polymer and having a third basis weight and disposed between the first face layer and the second outer layer. At least one of the layers further comprises an AM/AV compound. The mask structure demonstrates an Escherichia coli efficacy log reduction greater than 4.0, as measured in accordance with ASTM E3160 (2018) and a particulate filtration efficiency greater than 90%, as measured in accordance with ASTM F2299-03R17.Type: ApplicationFiled: April 20, 2021Publication date: October 21, 2021Applicant: Ascend Performance Materials Operations LLCInventors: Vikram GOPAL, Wai-shing YUNG, Natasha DEAN, Albert ORTEGA
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Publication number: 20210277203Abstract: A polymer composition for molded products having antimicrobial and/or antiviral properties comprising from 50 wt. % to 99.9 wt. % of a polymer, from 0.01 wt % to 10 wt % zinc, optionally from a zinc compound, less than 1 wt % of a phosphorus compound, and from 0 wt % to 20 wt % molding additives, wherein a molded product formed from the polymer composition demonstrates a Staphylococcus aureus log reduction greater than 1.0, as determined via ISO 22196:2011.Type: ApplicationFiled: March 4, 2021Publication date: September 9, 2021Applicant: Ascend Performance Materials Operations LLCInventors: Vikram GOPAL, Wai-shing YUNG, Albert ORTEGA, Bradley J. SPARKS, Joseph SURIANO, Austin MAPLES
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Publication number: 20210277234Abstract: A polymer composition having antimicrobial properties, the composition comprising from 50 wt % to 99.99 wt % of a polymer, from 10 wppm to 900 wppm of zinc, less than 1000 wppm of phosphorus, and less than 10 wppm coupling agent and/or surfactant, wherein zinc is dispersed within the polymer; and wherein fibers formed from the polymer composition demonstrate a Klebsiella pneumonia log reduction greater than 0.90, as determined via ISO20743:2013 and/or an Escherichia coli log reduction greater than 1.5, as determined via ASTM E3160 (2018).Type: ApplicationFiled: March 4, 2021Publication date: September 9, 2021Applicant: Ascend Performance Materials Operations LLCInventors: Vikram GOPAL, Wai-shing YUNG, Albert ORTEGA
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Publication number: 20210274778Abstract: Provided is a textile made of filament yarn comprising a polymer composition that is durable and reusable having permanent or near-permanent antiviral properties and that includes a polymer, a metal ion, preferably a zinc and/or copper ion, and an optional phosphorus compound, wherein fibers and/or fabric formed from the polymer composition demonstrate antiviral properties and wherein the polymer is hygroscopic. The present disclosure also describes methods of forming the polymer compositions and methods of preparing fibers from the polymer composition.Type: ApplicationFiled: March 4, 2021Publication date: September 9, 2021Applicant: Ascend Performance Materials Operations LLCInventors: Vikram Gopal, Wai-shing Yung, Albert Ortega
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Publication number: 20210262131Abstract: A nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.Type: ApplicationFiled: May 12, 2021Publication date: August 26, 2021Applicant: Ascend Performance Materials Operations LLCInventors: Wai-shing YUNG, Scott E. Osborn, Chris E. Schwier, Vikram Gopal, Albert Ortega
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Publication number: 20200324510Abstract: Nonwoven multilayer structures having at least two nanofiber layers are described herein. The nonwoven multilayer structure may have two nanofibers layers that have different properties from each other, such as fiber diameter. One nanofiber layer may be produced by an electrospinning process, while another nanofiber layer may be produced by a melt blown process.Type: ApplicationFiled: April 10, 2020Publication date: October 15, 2020Applicant: Ascend Performance Materials Operations LLCInventors: Wai-shing Yung, Albert E. Ortega, Joseph L. Menner, Vikram Gopal
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Publication number: 20200283937Abstract: A nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.Type: ApplicationFiled: May 21, 2020Publication date: September 10, 2020Applicant: Ascend Performance Materials Operations LLCInventors: Wai-shing Yung, Scott E. Osborn, Chris E. Schwier, Vikram Gopal, Albert Ortega
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Publication number: 20200254371Abstract: A filter comprising a nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.Type: ApplicationFiled: May 1, 2020Publication date: August 13, 2020Applicant: Ascend Performance Materials Operations LLCInventors: Wai-Shing Yung, Scott E. Osborn, Chris E. Schwier, Vikram Gopal, Albert Ortega, Joseph L. Menner
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Patent number: 10662561Abstract: A nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.Type: GrantFiled: June 8, 2018Date of Patent: May 26, 2020Assignee: Ascend Performance Materials Operations LLCInventors: Wai-Shing Yung, Scott E. Osborn, Chris E. Schwier, Vikram Gopal, Albert Ortega