Patents Assigned to Polnox Corporation
  • Macromolecular corrosion (McIn) inhibitors: structures, methods of making and using the same
    Patent number: 11578285
    Abstract: Disclosed are multifunctional compounds represented by structural formula (I): methods of producing compounds represented by structural formula (I) and their use in inhibiting corrosion in corrodible material.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: February 14, 2023
    Assignee: Polnox Corporation
    Inventors: Ashok L. Cholli, Murat Tonga
  • Macromolecular antioxidants based on dual type moiety per molecule: structures, methods of making and using the same
    Patent number: 11060027
    Abstract: Disclosed are compounds represented by structural formula methods of producing compounds represented by structural formula, and their use in inhibiting oxidation in an oxidizable material.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: July 13, 2021
    Assignee: Polnox Corporation
    Inventors: Ashok L. Cholli, Vijayendra Kumar
  • Macromolecular antioxidants based on dual type moiety per molecule: structures, methods of making and using the same
    Patent number: 10683455
    Abstract: Disclosed are compounds represented by structural formula methods of producing compounds represented by structural formula, and their use in inhibiting oxidation in an oxidizable material.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: June 16, 2020
    Assignee: Polnox Corporation
    Inventors: Ashok L. Cholli, Vijayendra Kumar
  • Macromolecular antioxidants based on dual type moiety per molecule: structures, methods of making and using the same
    Patent number: 10294423
    Abstract: Disclosed are compounds represented by structural formula (I), methods of producing compounds represented by structural formula, and their use in inhibiting oxidation in an oxidizable material.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: May 21, 2019
    Assignee: Polnox Corporation
    Inventors: Ashok L. Cholli, Vijayendra Kumar
  • Macromolecular antioxidants comprising differing antioxidant moieties: structures, methods of making and using the same
    Patent number: 9950990
    Abstract: Described are antioxidant macromolecules and methods of making and using same.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: April 24, 2018
    Assignee: POLNOX CORPORATION
    Inventors: Ashok L. Cholli, Rajesh Kumar
  • Lubricant oil compositions
    Patent number: 9523060
    Abstract: Compositions comprise first antioxidants and first additives, such as, a surface additives, performance enhancing additives and lubricant protective additives and optionally second additives and/or second antioxidants. The compositions are useful to improve lubricants, lubricant oils and other lubricant materials. The compositions and methods generally provide longer shelf lives, increased oxidative resistance, improved quality and/or enhanced performance to lubricants or lubricant oils.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: December 20, 2016
    Assignee: Polnox Corporation
    Inventors: Ashok L. Cholli, Ashish Dhawan, Rajesh Kumar, Vijayendra Kumar, Suizhou Yang, Taizoon Canteenwala
  • Macromolecular Antioxidants Based On Dual Type Moiety Per Molecule: Structures, Methods Of Making And Using The Same
    Publication number: 20160289558
    Abstract: Disclosed are compounds represented by structural formula (I), methods of producing compounds represented by structural formula, and their use in inhibiting oxidation in an oxidizable material.
    Type: Application
    Filed: November 21, 2014
    Publication date: October 6, 2016
    Applicant: Polnox Corporation
    Inventors: Ashok L. Cholli, Vijayendra Kumar
  • Nitrogen and hindered phenol containing dual functional macromolecular antioxidants: synthesis, performances and applications
    Patent number: 9388120
    Abstract: Disclosed are compounds represented by structural formula (I): methods of producing compounds represented by structural formula (I). and their use in inhibiting oxidation in an oxidizable material.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: July 12, 2016
    Assignee: Polnox Corporation
    Inventors: Rajesh Kumar, Suizhou Yang, Vijayendra Kumar, Ashok L. Cholli
  • Macromolecular antioxidants comprising differing antioxidant moieties: structures, methods of making and using the same
    Patent number: 9193675
    Abstract: Described are antioxidant macromolecules and methods of making and using same.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: November 24, 2015
    Assignee: Polnox Corporation
    Inventors: Ashok L. Cholli, Rajesh Kumar
  • Lubricant oil compositions
    Patent number: 8927472
    Abstract: Compositions comprise first antioxidants and first additives, such as, a surface additives, performance enhancing additives and lubricant protective additives and optionally second additives and/or second antioxidants. The compositions are useful to improve lubricants, lubricant oils and other lubricant materials. The compositions and methods generally provide longer shelf lives, increased oxidative resistance, improved quality and/or enhanced performance to lubricants or lubricant oils.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: January 6, 2015
    Assignee: Polnox Corporation
    Inventors: Ashok L. Cholli, Ashish Dhawan, Rajesh Kumar, Vijayendra Kumar, Suizhou Yang, Taizoon Canteenwala
  • NITROGEN AND HINDERED PHENOL CONTAINING DUAL FUNCTIONAL MACROMOLECULAR ANTIOXIDANTS: SYNTHESIS, PERFORMANCES AND APPLICATIONS
    Publication number: 20140316163
    Abstract: Disclosed are compounds represented by structural formula (I): methods of producing compounds represented by structural formula (I). and their use in inhibiting oxidation in an oxidizable material.
    Type: Application
    Filed: April 17, 2014
    Publication date: October 23, 2014
    Applicant: Polnox Corporation
    Inventors: Rajesh Kumar, Suizhou Yang, Vijayendra Kumar, Ashok L. Cholli
  • Macromolecular antioxidants based on sterically hindered phenols and phosphites
    Patent number: 8846847
    Abstract: A sterically hindered phenol and phosphite based compound represented the following formula: and its use as an antioxidant in a wide range of materials including, but not limited to, food, plastics, elastomers, composites and petroleum based products is disclosed herein.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: September 30, 2014
    Assignee: Polnox Corporation
    Inventors: Ashok L. Cholli, Rajesh Kumar
  • Nitrogen and hindered phenol containing dual functional macromolecular antioxidants: synthesis, performances and applications
    Patent number: 8710266
    Abstract: Disclosed are compounds represented by structural formula (I): methods of producing compounds represented by structural formula (I). and their use in inhibiting oxidation in an oxidizable material.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: April 29, 2014
    Assignee: Polnox Corporation
    Inventors: Rajesh Kumar, Suizhou Yang, Vijayendra Kumar, Ashok L. Cholli
  • Stabilized polyolefin compositions
    Patent number: 8691933
    Abstract: Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lives and better oxidative resistance to materials than currently available antioxidants.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: April 8, 2014
    Assignee: Polnox Corporation
    Inventors: Vijayendra Kumar, Rajesh Kumar, Ashish Dhawan, Sui-Zhou Yang, Ashok L. Cholli
  • Macromolecular Antioxidants Based On Sterically Hindered Phenols And Phosphites
    Publication number: 20140014880
    Abstract: A sterically hindered phenol and phosphite based compound represented the following formula: and its use as an antioxidant in a wide range of materials including, but not limited to, food, plastics, elastomers, composites and petroleum based products is disclosed herein.
    Type: Application
    Filed: May 29, 2013
    Publication date: January 16, 2014
    Applicant: Polnox Corporation
    Inventors: Ashok L. Cholli, Rajesh Kumar
  • Stabilized Polyolefin Compositions
    Publication number: 20140011901
    Abstract: Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lifes and better oxidative resistance to materials than currently available antioxidants.
    Type: Application
    Filed: July 1, 2013
    Publication date: January 9, 2014
    Applicant: Polnox Corporation
    Inventors: Vijayendra Kumar, Rajesh Kumar, Ashish Dhawan, Sui-Zhou Yang, Ashok L. Cholli
  • Macromolecular antioxidants based on sterically hindered phenols and phosphites
    Patent number: 8598382
    Abstract: A sterically hindered phenol and phosphite based compound represented by the following formula: and its use as an antioxidant in a wide range of materials including, but not limited to, food, plastics, elastomers, composites and petroleum based products is disclosed herein.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: December 3, 2013
    Assignee: Polnox Corporation
    Inventors: Ashok L. Cholli, Rajesh Kumar
  • Stabilized polyolefin compositions
    Patent number: 8481670
    Abstract: Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lives and better oxidative resistance to materials than currently available antioxidants.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: July 9, 2013
    Assignee: Polnox Corporation
    Inventors: Vijayendra Kumar, Rajesh Kumar, Ashish Dhawan, Sui-Zhou Yang, Ashok L. Cholli
  • LUBRICANT OIL COMPOSITIONS
    Publication number: 20130130955
    Abstract: Compositions comprise first antioxidants and first additives, such as, a surface additives, performance enhancing additives and lubricant protective additives and optionally second additives and/or second antioxidants. The compositions are useful to improve lubricants, lubricant oils and other lubricant materials. The compositions and methods generally provide longer shelf lives, increased oxidative resistance, improved quality and/or enhanced performance to lubricants or lubricant oils.
    Type: Application
    Filed: May 11, 2012
    Publication date: May 23, 2013
    Applicant: Polnox Corporation
    Inventors: Ashok L. Cholli, Ashish Dhawan, Rajesh Kumar, Vijayendra Kumar, Suizhou Yang, Taizoon Canteenwala
  • Stabilized Polyolefin Compositions
    Publication number: 20130072586
    Abstract: Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lifes and better oxidative resistance to materials than currently available antioxidants.
    Type: Application
    Filed: August 23, 2012
    Publication date: March 21, 2013
    Applicant: Polnox Corporation
    Inventors: Vijayendra Kumar, Rajesh Kumar, Ashish Dhawan, Sui-Zhou Yang, Ashok L. Cholli