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Ramabhadra Ratnagiri

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  • Wilmington, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyoxymethylene compositions
    • Patent number 10,450,456
    • Issue date Oct 22, 2019
    • E I du Pont de Nemours and Company
    • Ramabhadra Ratnagiri
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyoxymethylene compositions with branched polymers
    • Patent number 9,109,112
    • Issue date Aug 18, 2015
    • E I du Pont de Nemours and Company
    • Ramabhadra Ratnagiri
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyoxymethylene compositions
    • Patent number 9,006,322
    • Issue date Apr 14, 2015
    • E I du Pont de Nemours and Company
    • Lech Wilczek
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Obtaining melt viscosity stability of polyoxymethylene compositions
    • Patent number 8,741,202
    • Issue date Jun 3, 2014
    • E I du Pont de Nemours and Company
    • Ramabhadra Ratnagiri
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Polyoxymethylene modified with imidized acrylic resins
    • Patent number 8,445,089
    • Issue date May 21, 2013
    • E I du Pont de Nemours and Company
    • Xiyun (Serene) Fan
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    POLYOXYMETHYLENE COMPOSITIONS
    • Publication number 20190367725
    • Publication date Dec 5, 2019
    • E I DU PONT DE NEMOURS AND COMPANY
    • Ramabhadra Ratnagiri
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    POLYOXYMETHYLENE COMPOSITIONS
    • Publication number 20180142095
    • Publication date May 24, 2018
    • E.I. du Pont de Nemours and Company
    • Ramabhadra Ratnagiri
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    THERMOPLASTIC COMPOSITES
    • Publication number 20160122487
    • Publication date May 5, 2016
    • E I DU PONT DE NEMOURS AND COMPANY
    • Simona Percec
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Application

    Obtaining Melt Viscosity Stability of Polyoxymethylene Compositions
    • Publication number 20130175724
    • Publication date Jul 11, 2013
    • E I DU PONT DE NEMOURS AND COMPANY
    • Ramabhadra Ratnagiri
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Polyoxymethylene Compositions with Branched Polymers
    • Publication number 20130142978
    • Publication date Jun 6, 2013
    • E I DU PONT DE NEMOURS AND COMPANY
    • Ramabhadra Ratnagiri
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Modifying Polyoxymethylene Imidized Acrylic Resins
    • Publication number 20130137811
    • Publication date May 30, 2013
    • E.I. du Pont de Nemours and Company
    • Xiyun Serene Fan
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    POLYOXYMETHYLENE MODIFIED WITH IMIDIZED ACRYLIC RESINS
    • Publication number 20130136881
    • Publication date May 30, 2013
    • E.I. du Pont de Nemours and Company
    • Xiyun Serene Fan
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Polyoxymethylene Polymer Compositions Having Improved Creep
    • Publication number 20120129976
    • Publication date May 24, 2012
    • E.I. du Pont de Nemours and Company
    • Ramabhadra Ratnagiri
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Polyoxymethylene blends
    • Publication number 20080161488
    • Publication date Jul 3, 2008
    • Ramabhadra Ratnagiri
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Wear resistant high molecular weight polyacetal-ultrahigh molecular...
    • Publication number 20070015869
    • Publication date Jan 18, 2007
    • Ramabhadra Ratnagiri
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Process for forming shaped articles from polyacetal and polyacetal/...
    • Publication number 20060074175
    • Publication date Apr 6, 2006
    • Paul J. Kane
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...