Patents by Inventor Rakesh Nambiar
Rakesh Nambiar 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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Patent number: 12227620Abstract: Disclosed is a polyamic acid having Formula I In Formula I: Ra represents one or more different tetracarboxylic acid component residues; Rb represents one or more different aromatic diamine residues or aromatic diisocyanate residues; and 5-100 mol % of Rb has Formula II In Formula II: R1 through R6 are the same or different and are haloalkyl or haloalkoxy; R7 is the same or different at each occurrence and is deuterium, halogen, cyano, hydroxyl, alkyl, deuterated alkyl, heteroalkyl, alkoxy, heteroalkoxy, haloalkyl, haloalkoxy, silyl, siloxy, hydrocarbon aryl, substituted hydrocarbon aryl, heteroaryl, substituted heteroaryl, vinyl, or allyl; n is an integer from 0-10; x1 and x4 are the same or different and are an integer from 0-3; x2 and x3 are the same or different and are an integer from 0-2; and * indicates a point of attachment.Type: GrantFiled: April 21, 2020Date of Patent: February 18, 2025Assignee: DUPONT ELECTRONICS, INC.Inventors: Viacheslav V Diev, Nora Sabina Radu, Michael Henry Howard, Jr., Rakesh Nambiar
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Patent number: 12173091Abstract: Compositions are disclosed herein comprising dextran that comprises (i) 87-93 wt % glucose linked at positions 1 and 6; (ii) 0.1-1.2 wt % glucose linked at positions 1 and 3; (iii) 0.1-0.7 wt % glucose linked at positions 1 and 4; (iv) 7.7-8.6 wt % glucose linked at positions 1, 3 and 6; and (v) about 0.4-1.7 wt % glucose linked at (a) positions 1, 2 and 6, or (b) positions 1, 4 and 6. Aqueous forms of this composition have enhanced viscosity profiles. Further disclosed are methods of using compositions comprising dextran, such as increasing the viscosity of an aqueous composition. Enzymatic reactions for producing dextran are also disclosed.Type: GrantFiled: July 15, 2022Date of Patent: December 24, 2024Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Rakesh Nambiar, Rong Guan, Qiong Cheng, Robert Dicosimo, Jayme L. Paullin, Yuanfeng Liang, Charles R. Powley, Yefim Brun
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Publication number: 20240378268Abstract: A method for remotely verifying a non-resident alien's identity, includes: receiving a request to establish a communication session from a user device; analyzing the request to determine whether the user device is compromised; in response to determining that the user device is not compromised, providing a page flow to the user device to solicit information from the non-resident alien, the information including identity information associated with a local foreign government identification document (ID), and other information not shown on the local foreign government ID; querying one or more foreign governmental data stores to identify foreign data associated with the non-resident alien based on a unique identifier associated with the local foreign government ID; comparing the information with the foreign data; and verifying an identity of the non-resident alien based on the comparing, wherein the verifying includes determining that at least one of the other information matches the foreign data.Type: ApplicationFiled: July 22, 2024Publication date: November 14, 2024Inventors: Catherine Zhou, Rakesh Nambiar, Angela Mao
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Patent number: 12091470Abstract: A hydrocolloid or aqueous solution comprising a poly alpha-1,3-glucan ether compound is disclosed having a viscosity of at least about 10 centipoise (cPs). The poly alpha-1,3-glucan ether compound in these compositions has a degree of substitution of about 0.05 to about 3.0. Also disclosed is a method for increasing the viscosity of a hydrocolloid or aqueous composition using a poly alpha-1,3-glucan ether compound.Type: GrantFiled: February 9, 2022Date of Patent: September 17, 2024Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Rahul B. Kasat, Jayme L. Paullin, Andrea M. Perticone, T. Joseph Dennes, Rakesh Nambiar, Michael W. Cobb
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Patent number: 12045323Abstract: A method for remotely verifying a non-resident alien's identity, includes: receiving a request to establish a communication session from a user device; analyzing the request to determine whether the user device is compromised; in response to determining that the user device is not compromised, providing a page flow to the user device to solicit information from the non-resident alien, the information including identity information associated with a local foreign government identification document (ID), and other information not shown on the local foreign government ID; querying one or more foreign governmental data stores to identify foreign data associated with the non-resident alien based on a unique identifier associated with the local foreign government ID; comparing the information with the foreign data; and verifying an identity of the non-resident alien based on the comparing, wherein the verifying includes determining that at least one of the other information matches the foreign data.Type: GrantFiled: February 4, 2022Date of Patent: July 23, 2024Assignee: EAST WEST BANKInventors: Catherine Zhou, Rakesh Nambiar, Angela Mao
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Patent number: 11958916Abstract: A hydrocolloid or aqueous solution comprising a poly alpha-1,3-glucan ether compound is disclosed having a viscosity of at least about 10 centipoise (cPs). The poly alpha-1,3-glucan ether compound in these compositions has a degree of substitution of about 0.05 to about 3.0. Also disclosed is a method for increasing the viscosity of a hydrocolloid or aqueous composition using a poly alpha-1,3-glucan ether compound.Type: GrantFiled: December 11, 2020Date of Patent: April 16, 2024Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Rahul B. Kasat, Jayme L. Paullin, Andrea M. Perticone, T. Joseph Dennes, Rakesh Nambiar, Michael W. Cobb
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Patent number: 11946023Abstract: An enzymatically produced ?-glucan oligomer/polymer compositions is provided. The enzymatically produced ?-glucan oligomer/polymers can be derivatized into ?-glucan ether compounds. The ?-glucan oligomers/polymers and the corresponding ?-glucan ethers are cellulose and/or protease resistant, making them suitable for use in fabric care and laundry care applications. Methods for the production and use of the present compositions are also provided.Type: GrantFiled: January 28, 2022Date of Patent: April 2, 2024Assignee: Nutrition & Biosciences USA 4, Inc.Inventors: Robert DiCosimo, Qiong Cheng, Rakesh Nambiar, Jayme L. Paullin, Mark S. Payne, Jahnavi Chandra Prasad, Zheng You
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Patent number: 11918676Abstract: A colloidal dispersion is disclosed comprising poly alpha-1,3-glucan or poly alpha-1,3-1,6-glucan and a solvent. The colloidal dispersion has utility in various applications, including food, oil field, pharmaceutical, personal care and specialty industries.Type: GrantFiled: May 17, 2022Date of Patent: March 5, 2024Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Ji Yeon Huh, Natnael Behabtu, Rakesh Nambiar
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Publication number: 20230235096Abstract: Compositions are disclosed herein comprising dextran that comprises (i) 87-93 wt % glucose linked at positions 1 and 6; (ii) 0.1-1.2 wt % glucose linked at positions 1 and 3; (iii) 0.1-0.7 wt % glucose linked at positions 1 and 4; (iv) 7.7-8.6 wt % glucose linked at positions 1, 3 and 6; and (v) about 0.4-1.7 wt % glucose linked at (a) positions 1, 2 and 6, or (b) positions 1, 4 and 6. Aqueous forms of this composition have enhanced viscosity profiles. Further disclosed are methods of using compositions comprising dextran, such as increasing the viscosity of an aqueous composition. Enzymatic reactions for producing dextran are also disclosed.Type: ApplicationFiled: July 15, 2022Publication date: July 27, 2023Inventors: Rakesh Nambiar, Rong Guan, Qiong Cheng, Robert Dicosimo, Jayme L. Paullin, Yuanfeng Liang, Charles R. Powley, Yefim Brun
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Patent number: 11708542Abstract: The disclosure relates to products including a polysaccharide derivative wherein the polysaccharide derivative includes a polysaccharide substituted with at least one of: a) at least one sulfate group; b) at least one sulfonate group; c) at least one thiosulfate group; or d) a combination thereof; wherein the polysaccharide is poly alpha-1,3-glucan, poly alpha-1,6-glucan, poly alpha-1,3-1,6-glucan, or a mixture thereof; and the polysaccharide derivative has a degree of substitution of about 0.001 to about 3. The products can be useful as anti-deposition and/or anti-graying agents in laundry detergents, and in home care applications.Type: GrantFiled: June 19, 2019Date of Patent: July 25, 2023Assignee: The Procter & Gamble CompanyInventors: Mark Robert Sivik, Zhengzheng Huang, Helen S. M. Lu, Rakesh Nambiar, Jayme L. Paullin
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Publication number: 20230000752Abstract: A colloidal dispersion is disclosed comprising poly alpha-1,3-glucan or poly alpha-1,3-1,6-glucan and a solvent. The colloidal dispersion has utility in various applications, including food, oil field, pharmaceutical, personal care and specialty industries.Type: ApplicationFiled: May 17, 2022Publication date: January 5, 2023Inventors: Ji Yeon Huh, Natnael Behabtu, Rakesh Nambiar
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Patent number: 11535683Abstract: Compositions comprising oxidized dextran compounds are disclosed herein. Oxidized dextran compounds are produced by contacting dextran under aqueous conditions with at least one N-oxoammonium salt, at least one periodate compound, and/or at least one peroxide compound.Type: GrantFiled: September 23, 2020Date of Patent: December 27, 2022Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Jayme L. Paullin, Rakesh Nambiar
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Publication number: 20220325045Abstract: Disclosed is a polyamic acid having Formula I In Formula I: Ra represents one or more different tetracarboxylic acid component residues; Rb represents one or more different aromatic diamine residues or aromatic diisocyanate residues; and 5-100 mol % of Rb has Formula II In Formula II: R1 through R6 are the same or different and are haloalkyl or haloalkoxy; R7 is the same or different at each occurrence and is deuterium, halogen, cyano, hydroxyl, alkyl, deuterated alkyl, heteroalkyl, alkoxy, heteroalkoxy, haloalkyl, haloalkoxy, silyl, siloxy, hydrocarbon aryl, substituted hydrocarbon aryl, heteroaryl, substituted heteroaryl, vinyl, or allyl; n is an integer from 0-10; x1 and x4 are the same or different and are an integer from 0-3; x2 and x3 are the same or different and are an integer from 0-2; and * indicates a point of attachment.Type: ApplicationFiled: April 21, 2020Publication date: October 13, 2022Inventors: VIACHESLAV V DIEV, NORA SABINA RADU, MICHAEL HENRY HOWARD, Jr., RAKESH NAMBIAR
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Publication number: 20220306770Abstract: A hydrocolloid or aqueous solution comprising a poly alpha-1,3-glucan ether compound is disclosed having a viscosity of at least about 10 centipoise (cPs). The poly alpha-1,3-glucan ether compound in these compositions has a degree of substitution of about 0.05 to about 3.0. Also disclosed is a method for increasing the viscosity of a hydrocolloid or aqueous composition using a poly alpha-1,3-glucan ether compound.Type: ApplicationFiled: February 9, 2022Publication date: September 29, 2022Inventors: RAHUL B. KASAT, JAYME L. PAULLIN, ANDREA M. PERTICONE, T. JOSEPH DENNES, RAKESH NAMBIAR, MICHAEL W. COBB
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Publication number: 20220282183Abstract: An enzymatically produced ?-glucan oligomer/polymer compositions is provided. The enzymatically produced ?-glucan oligomer/polymers can be derivatized into ?-glucan ether compounds. The ?-glucan oligomers/polymers and the corresponding ?-glucan ethers are cellulose and/or protease resistant, making them suitable for use in fabric care and laundry care applications. Methods for the production and use of the present compositions are also provided.Type: ApplicationFiled: January 28, 2022Publication date: September 8, 2022Inventors: Robert DiCosimo, Qiong Cheng, Rakesh Nambiar, Jayme L. Paullin, Mark S. Payne, Jahnavi Chandra Prasad, Zheng You
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Patent number: 11414628Abstract: An enzymatically produced ?-glucan oligomer/polymer compositions is provided. The enzymatically produced ?-glucan oligomer/polymers can be derivatized into ?-glucan ether compounds. The ?-glucan oligomers/polymers and the corresponding ?-glucan ethers are cellulose and/or protease resistant, making them suitable for use in fabric care and laundry care applications. Methods for the production and use of the present compositions are also provided.Type: GrantFiled: November 18, 2020Date of Patent: August 16, 2022Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Robert DiCosimo, Qiong Cheng, Rakesh Nambiar, Jayme L. Paullin, Mark S. Payne, Jahnavi Chandra Prasad, Zheng You
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Patent number: 11390692Abstract: Compositions are disclosed herein comprising dextran that comprises (i) 87-93 wt % glucose linked at positions 1 and 6; (ii) 0.1-1.2 wt % glucose linked at positions 1 and 3; (iii) 0.1-0.7 wt % glucose linked at positions 1 and 4; (iv) 7.7-8.6 wt % glucose linked at positions 1, 3 and 6; and (v) about 0.4-1.7 wt % glucose linked at (a) positions 1, 2 and 6, or (b) positions 1, 4 and 6. Aqueous forms of this composition have enhanced viscosity profiles. Further disclosed are methods of using compositions comprising dextran, such as increasing the viscosity of an aqueous composition. Enzymatic reactions for producing dextran are also disclosed.Type: GrantFiled: August 24, 2018Date of Patent: July 19, 2022Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Rakesh Nambiar, Rong Guan, Qiong Cheng, Robert Dicosimo, Jayme L. Paullin, Yuanfeng Liang, Charles R. Powley, Yefim Brun
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Patent number: 11352589Abstract: An enzymatically produced ?-glucan oligomer/polymer compositions is provided. The enzymatically produced ?-glucan oligomer/polymers can be derivatized into ?-glucan ether compounds. The ?-glucan oligomers/polymers and the corresponding ?-glucan ethers are cellulose and/or protease resistant, making them suitable for use in fabric care and laundry care applications. Methods for the production and use of the present compositions are also provided.Type: GrantFiled: October 29, 2020Date of Patent: June 7, 2022Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Robert DiCosimo, Qiong Cheng, Rakesh Nambiar, Jayme L. Paullin, Mark Payne, Zheng You
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Patent number: 11351104Abstract: A colloidal dispersion is disclosed comprising poly alpha-1,3-glucan or poly alpha-1,3-1,6-glucan and a solvent. The colloidal dispersion has utility in various applications, including food, oil field, pharmaceutical, personal care and specialty industries.Type: GrantFiled: February 2, 2016Date of Patent: June 7, 2022Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Ji Yeon Huh, Natnael Behabtu, Rakesh Nambiar
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Publication number: 20220156348Abstract: A method for remotely verifying a non-resident alien's identity, includes: receiving a request to establish a communication session from a user device; analyzing the request to determine whether the user device is compromised; in response to determining that the user device is not compromised, providing a page flow to the user device to solicit information from the non-resident alien, the information including identity information associated with a local foreign government identification document (ID), and other information not shown on the local foreign government ID; querying one or more foreign governmental data stores to identify foreign data associated with the non-resident alien based on a unique identifier associated with the local foreign government ID; comparing the information with the foreign data; and verifying an identity of the non-resident alien based on the comparing, wherein the verifying includes determining that at least one of the other information matches the foreign data.Type: ApplicationFiled: February 4, 2022Publication date: May 19, 2022Inventors: Catherine Zhou, Rakesh Nambiar, Angela Mao