Patents by Inventor Samik Gupta

Samik Gupta 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).

  • Publication number: 20180208513
    Abstract: In accordance with the present invention, disclosed herein is a fertilizer core particle and fertilizer granule. The fertilizer core particle has one or more fertilizer additives, one or more binders comprising a wax, and one or more pH buffering agents, and wherein the core particle comprises from about 10 wt % to about 99 wt % of the one or more binders comprising a wax.
    Type: Application
    Filed: July 18, 2016
    Publication date: July 26, 2018
    Inventors: Sabeshan KANAGALINGAM, Ravi HEGDE, Madduri SRINIVASARAO, Rajamalleswaramma KORIPELLY, Samik GUPTA, Nilkamal BAG, Satish BURLA, Yoganand GURUMALLAPPA
  • Publication number: 20170306147
    Abstract: A thermoplastic composition including a polyaryl ester, a polymer different from the polyaryl ester, and a phthalone compound according to the formula (I) wherein Z1 represents the atoms necessary to complete a 9- to 13-membered single or fused aromatic ring structure, Z2 represents the atoms necessary to complete a pyridine or quinoline ring, each R1 and each R2 are independently halogen, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an aromatic or aliphatic thioether group, an aromatic or aliphatic carboxylic acid ester group, or an aromatic or aliphatic amide group, a is 0 to 6, b is 0 to 4, n is 1 or 2, and X is present only if n=2 and is a single bond or a divalent organic radical bonded to the Z1 ring structure through an ether, ketone, or thio linkage.
    Type: Application
    Filed: November 20, 2015
    Publication date: October 26, 2017
    Inventors: Yogesh Omprakash Sharma, Samik Gupta, Paul Dean Sybert, Olga I. Kuvshinnikova, Balakrishnan Parthipan
  • Publication number: 20160340265
    Abstract: In accordance with the present invention, disclosed herein is a fertilizer capsule comprising one or more cores, wherein each of the one or more cores independently comprises one or more fertilizer additives and a binder, and wherein each of the one or more cores comprises from 10 wt % to 99 wt % of the binder Also in accordance with the present invention, disclosed here is a method of producing a fertilizer core via an extrusion process.
    Type: Application
    Filed: January 28, 2015
    Publication date: November 24, 2016
    Inventors: Sabeshan Kanagalingam, Ravi Hegde, Madduri Srinivasarao, Anton Kumanan, Rajamalleswaramma Koripelly, Samik Gupta
  • Patent number: 8846802
    Abstract: A composition comprises a poly(arylene ether); a block copolymer comprising a first block and a second block wherein the first block comprises repeating aryl alkylene units and the second block comprises repeating alkylene units; and an ethylene-vinyl aliphatic acid copolymer wherein the poly(arylene ether) and the block copolymer form a dual phase co-continuous morphology.
    Type: Grant
    Filed: June 6, 2006
    Date of Patent: September 30, 2014
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Anil K. Bhowmick, Amit Biswas, Samik Gupta, Raja Krishnamurthy, Nisha Preschilla
  • Publication number: 20120296019
    Abstract: A polycarbonate composition having improved flame retardant properties is disclosed, together with methods for preparing the same.
    Type: Application
    Filed: May 18, 2011
    Publication date: November 22, 2012
    Inventors: Haseena Aripuram Parakkal, Sriram Krishnamurthy, Samik Gupta, Gautam Chatterjee, Matthew R. Pixton, Wim Steendam
  • Patent number: 7557154
    Abstract: A polymer composition is disclosed, which comprises a matrix polymer, a fluoropolymer that may be at least partially encapsulated by an encapsulating polymer, and a filler. Methods for making the polymer compositions and articles made of such compositions are also disclosed. The compositions and article can have improved tensile modulus, ductility, and/or impact properties.
    Type: Grant
    Filed: December 23, 2004
    Date of Patent: July 7, 2009
    Assignee: SABIC Innovative Plastics IP B.V.
    Inventors: Naveen Agarwal, Satish Kumar Gaggar, Deval Gupta, Samik Gupta, Raja Krishnamurthy, Nisha Preschilla, Rajashekhar Shiddappa Totad, Sandeep Tyagi
  • Publication number: 20070282052
    Abstract: A composition comprises a poly(arylene ether); a block copolymer comprising a first block and a second block wherein the first block comprises repeating aryl alkylene units and the second block comprises repeating alkylene units; and an ethylene-vinyl aliphatic acid copolymer wherein the poly(arylene ether) and the block copolymer form a dual phase co-continuous morphology.
    Type: Application
    Filed: June 6, 2006
    Publication date: December 6, 2007
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Anil K. Bhowmick, Amit Biswas, Samik Gupta, Raja Krishnamurthy, Nisha Preschilla
  • Patent number: 7153899
    Abstract: Disclosed herein is a silicone-acrylate impact modifier composition, where the impact modifier composition comprises structural units derived from: at least one silicone rubber monomer, a branched acrylate rubber monomer having the formula: wherein R1 is selected from hydrogen and C1-C8 linear and branched hydrocarbyl groups, R2 comprises a branched C3-C16 hydrocarbyl group; and ā€œzā€ is greater than or equal to 3; a first graft link monomer; a polymerizable alkenyl-comprising organic material; and a second graft link monomer The silicone-acrylate impact modifier compositions disclosed herein are useful for making molding compositions, which are useful for producing various articles, especially for outdoor applications.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: December 26, 2006
    Assignee: General Electric Company
    Inventors: Poreddy Narsi Reddy, Alagarsamy Subbaiah, Samik Gupta, Prabh Rangorath Chatterji
  • Publication number: 20060142455
    Abstract: A polymer composition is disclosed, which comprises a matrix polymer, a fluoropolymer that may be at least partially encapsulated by an encapsulating polymer, and a filler. Methods for making the polymer compositions and articles made of such compositions are also disclosed. The compositions and article can have improved tensile modulus, ductility, and/or impact properties.
    Type: Application
    Filed: December 23, 2004
    Publication date: June 29, 2006
    Inventors: Naveen Agarwal, Satish Gaggar, Deval Gupta, Samik Gupta, Raja Krishnamurthy, Nisha Preschilla, Rajashekhar Totad, Sandeep Tyagi
  • Publication number: 20050010001
    Abstract: Disclosed herein is a silicone-acrylate impact modifier composition, where the impact modifier composition comprises structural units derived from: at least one silicone rubber monomer, a branched acrylate rubber monomer having the formula: wherein R1 is selected from hydrogen and C1-C8 linear and branched hydrocarbyl groups, R2 comprises a branched C3-C16 hydrocarbyl group; and ā€œzā€ is greater than or equal to 3; a first graft link monomer; a polymerizable alkenyl-comprising organic material; and a second graft link monomer The silicone-acrylate impact modifier compositions disclosed herein are useful for making molding compositions, which are useful for producing various articles, especially for outdoor applications.
    Type: Application
    Filed: August 6, 2004
    Publication date: January 13, 2005
    Inventors: Poreddy Reddy, Alagarsamy Subbaiah, Samik Gupta, Prabh Chatterji
  • Publication number: 20040162399
    Abstract: A silicone-acrylate impact modifier composition, wherein said impact modifier composition comprises structural units derived from:
    Type: Application
    Filed: February 14, 2003
    Publication date: August 19, 2004
    Inventors: Poreddy Narsi Reddy, Alagarsamy Subbaiah, Samik Gupta, Prabha Rangorath Chatterji