Patents by Inventor Cristian OPRISONI

Cristian OPRISONI 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).

  • Publication number: 20240279444
    Abstract: The invention relates to novel rubber mixtures based on polychloroprene rubber and polyethyleneimine, to the production and use thereof and to the vulcanizates obtainable thereby.
    Type: Application
    Filed: June 27, 2022
    Publication date: August 22, 2024
    Applicant: LANXESS Deutschland GmbH
    Inventors: Cristian Oprisoni, Antonia Albers
  • Publication number: 20220267524
    Abstract: The invention relates to mixtures containing at least one aminically crosslinkable rubber and a cross-linking system, which consists of at least one crosslinker and optionally at least one vulcanization accelerator, the at least one crosslinker containing polyethylene imine. The invention further relates to the production and to the use of said mixtures; and to the vulcanized products that can be obtained from the mixture, in particular in the form of rubber articles, in particular seals, hoses, membranes and o-rings.
    Type: Application
    Filed: August 24, 2020
    Publication date: August 25, 2022
    Applicant: LANXESS Deutschland GmbH
    Inventors: Vincenza Meenenga, Cristian Oprisoni
  • Patent number: 10907033
    Abstract: The invention relates to processing additive mixtures comprising at least one polyol, amide and/or carboxylic acid, optionally auxiliaries for crystallization and at least one organic ammonium salt. Said processing additive mixtures allow the optimization of the vulcanization behavior of rubber mixtures and the properties of vulcanizates obtained by said vulcanization.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: February 2, 2021
    Assignee: LANXESS Deutschland GmbH
    Inventors: Torsten Ziser, Harald Kleinknecht, Benjamin Bechem, Cristian Oprisoni, Hermann-Josef Weidenhaupt, Ulrich Feldhues, Martin Saewe
  • Publication number: 20190031863
    Abstract: The invention relates to processing additive mixtures comprising at least one polyol, amide and/or carboxylic acid, optionally auxiliaries for the crystallization and at least one organic ammonium salt. Said processing additive mixtures allow the optimization of the vulcanization behavior of rubber mixtures and the properties of vuloanizates obtained by said vulcanization.
    Type: Application
    Filed: November 24, 2016
    Publication date: January 31, 2019
    Applicant: LANXESS Deutschland GmbH
    Inventors: Torsten ZISER, Harald KLEINKNECHT, Benjamin BECHEM, Cristian OPRISONI, Hermann-Josef WEIDENHAUPT, Ulrich FELDHUES, Martin SAEWE