Patents by Inventor Anna M. Zink

Anna M. Zink 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).

  • COMPOSITION WITH ISOCYANATE COMPATIBLE SILICONE STABILIZER
    Publication number: 20210277198
    Abstract: An isocyanate-based foam composition includes a polyol, an isocyanate-containing component and a silicone polyether Got stabilizer having the following structure: (CH3)3Si—[OSi(CH3)2]x—[OSi(CH3)(Y)]y—OSi(CH3)3 where x is 0 to 15, y is 1 to 2, and Y is (CH2)nO—(CH2CH2O)e—(CH2CH(R))O)p—Z where n is 1 to 10, e is 5 to 15, p is zero to 10, R is —CH3 or CH2CH3 and Z is selected from a group consisting of hydrogen, alkyl, aryl, acyl, and alkyl succinic anhydride groups wherein 20 mole-percent or less of the Z N groups are hydrogen, wherein the ratio of e/x is greater than 0.
    Type: Application
    Filed: July 15, 2019
    Publication date: September 9, 2021
    Inventors: Noel Mower Chang, Simon Toth, Weston Tulloch, Anna M. Zink
  • METHOD FOR IMPROVED STABILITY OF POLYURETHANE FOAM MADE WITH A HYDROHALOOLEFIN BLOWING AGENT
    Publication number: 20200207908
    Abstract: A method for producing a polyurethane foam by combining: (a) a polyol; (b) a polyisocyanate; (c) a hydrohaloolefin blowing agent; (d) an amine catalyst; and (e) a polysiloxane.
    Type: Application
    Filed: September 4, 2018
    Publication date: July 2, 2020
    Inventors: Noel Mower Chang, Simon Toth, Weston Tulloch, Anna M. Zink