Patents by Inventor Ruchi Pandey

Ruchi Pandey 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).

  • Pressure sensitive adhesive assembly comprising filler material
    Patent number: 11518914
    Abstract: The present disclosure relates to a pressure sensitive adhesive assembly comprising at least a first pressure sensitive adhesive layer comprising a hollow non-porous particulate filler material, wherein the surface of the hollow non-porous particulate filler material is provided with a hydrophobic surface modification. The present disclosure also relates to a method of manufacturing such a pressure sensitive adhesive assembly.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: December 6, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Jan Heimink, Kerstin Unverhau, Jan D. Forster, Jan U. Wieneke, Frank Kuester, Siegfried R. Goeb, Doreen Eckhardt, Regina Sikora, Ruchi Pandey, Suresh S. Iyer
  • Amphiphilic polymers, coating compositions, and methods
    Patent number: 10093822
    Abstract: An amphiphilic polymer comprising: at least 10 wt-% monomeric units comprising alkylene oxide moieties, wherein a majority of the alkylene oxide moieties are ethylene oxide moieties; monomeric units comprising hexafluoropropylene oxide oligomeric moieties having the formula C3F7O—(CF(CF3)CF2O)aCF(CF3)—C(O)N(H)-Q-, wherein Q is a linking group with at least one carbon atom, and “a” is at least 5; and monomeric units comprising pendant groups selected from phosphate groups, phosphonate groups, sulfonate groups, and combinations thereof; wherein the amphiphilic polymer is water dispersible; aqueous coating compositions containing the amphiphilic polymer; and methods of treating a hard surface.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: October 9, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Chetan P. Jariwala, Susannah C. Clear, Ruchi Pandey
  • Coating compositions and multi-layered films for easy-to-clean surfaces
    Patent number: 9890290
    Abstract: A coating composition and a multi-layered film, both of which include a fluoropolymer and a water-soluble polymer.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: February 13, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Gaurav Manik, Chetan P. Jariwala, Ruchi Pandey, Prabha Hegde, Sathyanarayanan Gururamakrishnan, Rachita Pradeep
  • AMPHIPHILIC POLYMERS, COATING COMPOSITIONS, AND METHODS
    Publication number: 20170226372
    Abstract: An amphiphilic polymer comprising: at least 10 wt-% monomeric units comprising alkylene oxide moieties, wherein a majority of the alkylene oxide moieties are ethylene oxide moieties; monomeric units comprising hexafluoropropylene oxide oligomeric moieties having the formula C3F7O—(CF(CF3)CF2O)aCF(CF3)—C(O)N(H)-Q-, wherein Q is a linking group with at least one carbon atom, and “a” is at least 5; and monomeric units comprising pendant groups selected from phosphate groups, phosphonate groups, sulfonate groups, and combinations thereof; wherein the amphiphilic polymer is water dispersible; aqueous coating compositions containing the amphiphilic polymer; and methods of treating a hard surface.
    Type: Application
    Filed: August 6, 2015
    Publication date: August 10, 2017
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Chetan P. Jariwala, Susannah C. Clear, Ruchi Pandey
  • PRESSURE SENSITIVE ADHESIVE ASSEMBLY COMPRISING FILLER MATERIAL
    Publication number: 20160083628
    Abstract: The present disclosure relates to a pressure sensitive adhesive assembly comprising at least a first pressure sensitive adhesive layer comprising a hollow non-porous particulate filler material, wherein the surface of the hollow non-porous particulate filler material is provided with a hydrophobic surface modification. The present disclosure also relates to a method of manufacturing such a pressure sensitive adhesive assembly.
    Type: Application
    Filed: May 13, 2014
    Publication date: March 24, 2016
    Inventors: Jan Heimink, Kerstin Unverhau, Jan D. Forster, Jan U. Wieneke, Frank Kuester, Siegfried R. Goeb, Doreen Eckhardt, Regina Sikora, Ruchi Pandey, Suresh S. Iyer
  • COATING COMPOSITIONS AND MULTI-LAYERED FILMS FOR EASY-TO-CLEAN SURFACES
    Publication number: 20150344704
    Abstract: A coating composition and a multi-layered film, both of which include a fluoropolymer and a water-soluble polymer.
    Type: Application
    Filed: December 9, 2013
    Publication date: December 3, 2015
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Gaurav Manik, Chetan P. Jariwala, Ruchi Pandey, Prabha Hegde, Sathyanarayanan Gururamakrishnan, Rachita Pradeep