Patents by Inventor Brandy SLEZAK

Brandy SLEZAK 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).

  • Polymerizable composition for optical articles and optical articles made therefrom
    Patent number: 11634537
    Abstract: The present invention is directed to a polymerizable composition comprising (A) a reaction product of: (a) diethyleneglycol bischloroformate, ethyleneglycol bischloroformate, or combinations thereof; (b) allyl alcohol; (c) optionally, a cyclic polyol selected from the group consisting of a cycloaliphatic polyol having at least one secondary hydroxyl group, a heterocyclic polyol having primary and/or secondary hydroxyl groups, and mixtures thereof; and (d) optionally, at least one linear or branched aliphatic polyol having two to six hydroxyl groups; and (B) an organic peroxide comprising at least three peroxide groups. A polymerizate and/or an optical article comprising the polymerizable compositions of the invention are also provided.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: April 25, 2023
    Assignee: Arkema Inc.
    Inventors: Robert D. Herold, Marco Herrera, Thomas H. Kozel, Leonard H. Palys, Brandy Slezak, Bruno Georges Van Hemelryck
  • POLYMERIZABLE COMPOSITION FOR OPTICAL ARTICLES AND OPTICAL ARTICLES MADE THEREFROM
    Publication number: 20210070931
    Abstract: The present invention is directed to a polymerizable composition comprising (A) a reaction product of: (a) diethyleneglycol bischloroformate, ethyleneglycol bischloroformate, or combinations thereof; (b) allyl alcohol; (c) optionally, a cyclic polyol selected from the group consisting of a cycloaliphatic polyol having at least one secondary hydroxyl group, a heterocyclic polyol having primary and/or secondary hydroxyl groups, and mixtures thereof; and (d) optionally, at least one linear or branched aliphatic polyol having two to six hydroxyl groups; and (B) an organic peroxide comprising at least three peroxide groups. A polymerizate and/or an optical article comprising the polymerizable compositions of the invention are also provided.
    Type: Application
    Filed: December 18, 2018
    Publication date: March 11, 2021
    Inventors: Robert D. HEROLD, Marco HERRERA, Thomas H. KOZEL, Leonard H. PALYS, Brandy SLEZAK, Bruno Georges VAN HEMELRYCK