Patents by Inventor Devang Khariwala

Devang Khariwala 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).

  • Vapour-barrier membrane based on a PA666/EVOH blend
    Patent number: 9719246
    Abstract: The invention relates to a vapor retarder membrane, intended to be used for improving the airtightness of a building or of a room, comprising at least one active layer having a water vapor permeability which increases with the surrounding relative humidity, said active layer comprising at least 90% by weight of a blend of ethylene/vinyl alcohol (EVOH) copolymer and of a copolyamide 6-6.6 (PA666), the latter having a melting point below 210° C.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: August 1, 2017
    Assignee: SAINT-GOBAIN ISOVER
    Inventors: Devang Khariwala, Valerio Massara
  • VAPOUR-BARRIER MEMBRANE BASED ON A PA666/EVOH BLEND
    Publication number: 20150090126
    Abstract: The invention relates to a vapor retarder membrane, intended to be used for improving the airtightness of a building or of a room, comprising at least one active layer having a water vapor permeability which increases with the surrounding relative humidity, said active layer comprising at least 90% by weight of a blend of ethylene/vinyl alcohol (EVOH) copolymer and of a copolyamide 6-6.6 (PA666), the latter having a melting point below 210° C.
    Type: Application
    Filed: February 27, 2013
    Publication date: April 2, 2015
    Applicant: SAINT-GOBAIN ISOVER
    Inventors: Devang Khariwala, Valerio Massara