Patents by Inventor Philippe ZYDOWICZ

Philippe ZYDOWICZ 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).

  • Hydrogen peroxide purification process and hydrogen peroxide
    Patent number: 10822235
    Abstract: A hydrogen peroxide purification process, including supplying a starting stream containing hydrogen peroxide at a content above 50 wt %, as well as at least one stabilizer; a single step of purification of the starting stream, the single step having purification by reverse osmosis; collecting a purified stream at the end of said single purification step, in which purification by reverse osmosis includes: passing the starting stream over a first membrane; collecting a permeate and a retentate from the first membrane; passing the permeate from the first membrane over a second membrane; collecting a permeate and a retentate from the second membrane, the purified stream having the permeate from the second membrane.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: November 3, 2020
    Assignee: ARKEMA FRANCE
    Inventors: Philippe Zydowicz, Benoit Requieme, Michel Jauffret
  • Aqueous hydrogen peroxide solution comprising a specific stabilizer
    Patent number: 10729799
    Abstract: An aqueous hydrogen peroxide solution comprises a stabilizer chosen from the family of substituted or unsubstituted aminopolycarboxylic acids (APCA) or salts thereof. The solution may be used for disinfecting a packaging.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: August 4, 2020
    Assignee: Arkema France
    Inventors: Philippe Zydowicz, Pierre Larnicol
  • AQUEOUS HYDROGEN PEROXIDE SOLUTION COMPRISING A SPECIFIC STABILIZER
    Publication number: 20180326106
    Abstract: The invention relates to an aqueous hydrogen peroxide solution, comprising a stabilizer chosen from the family of substituted or unsubstituted aminopolycarboxylic acids (APCA) or salts thereof. The invention also relates to the use of such an aqueous hydrogen peroxide solution and also to a process for disinfecting a packaging with this aqueous solution.
    Type: Application
    Filed: November 18, 2016
    Publication date: November 15, 2018
    Inventors: Philippe Zydowicz, Pierre Larnicol
  • HYROGEN PEROXIDE PURIFICATION PROCESS AND HYROGEN PEROXIDE
    Publication number: 20170113932
    Abstract: A hydrogen peroxide purification process, including supplying a starting stream containing hydrogen peroxide at a content above 50 wt %, as well as at least one stabilizer; a single step of purification of the starting stream, the single step having purification by reverse osmosis; collecting a purified stream at the end of said single purification step, in which purification by reverse osmosis includes: passing the starting stream over a first membrane; collecting a permeate and a retentate from the first membrane; passing the permeate from the first membrane over a second membrane; collecting a permeate and a retentate from the second membrane, the purified stream having the permeate from the second membrane.
    Type: Application
    Filed: June 26, 2015
    Publication date: April 27, 2017
    Applicant: ARKEMA FRANCE
    Inventors: Philippe ZYDOWICZ, Benoit REQUIEME, Michel JAUFFRET