Patents by Inventor Paul DUMANSKI

Paul DUMANSKI 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).

  • Non-aqueous dispersants
    Patent number: 12037464
    Abstract: A non-aqueous dispersant (“NAD”) prising may include a condensate formed by the grafting of an adduct of a hydrophobic stabilising entity (“HSE”), which may include polyhydroxystearic acid (“PHSA”), polyisobutylene succinic anhydride (PIBSA), and polycaprolactone, with a linker substrate selected from the group consisting of a glycol, an alkanolamine, an ether amine, and an ethylene amine onto a co-polymer in an effective reaction stoichiometry, wherein where the co-polymer comprises an anchoring moiety having an aromatic functionality is a styrene-maleic anhydride (SMA) co-polymer.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: July 16, 2024
    Assignee: Indorama Ventures Oxides Australia Pty Limited
    Inventors: Rowan Brown, Paul Dumanski
  • NON-AQUEOUS DISPERSANTS
    Publication number: 20210061959
    Abstract: A non-aqueous dispersant (“NAD”) comprising a condensate formed by the grafting of an adduct of a hydrophobic stabilising entity (“HSE”) onto a co-polymer in an effective reaction stoichiometry, wherein the co-polymer comprises an anchoring moiety having an aromatic functionality.
    Type: Application
    Filed: February 19, 2019
    Publication date: March 4, 2021
    Inventors: Rowan BROWN, Paul DUMANSKI