Patents by Inventor An-Hung YEH

An-Hung YEH 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).

  • LOW DENSITY THERMOSETTING FOAMS HAVING IMPROVED PROPERTIES
    Publication number: 20230265234
    Abstract: Disclosed are methods of forming foam comprising: (a) providing a foamable composition comprising an isocyanate, a polyol and a physical blowing agent comprising at least about 50% by weight of trans1233zd and wherein the polyol comprises a polyol or mixture of polyols such that the trans1233zd(E) has a solubility in said polyol of 20 pphp or less and (b) forming a foam from said foamable composition.
    Type: Application
    Filed: January 13, 2023
    Publication date: August 24, 2023
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Josep Gimeno, Tripti Srivastava, Heng Huang, Mary Bogdan, Yiu Keung Ling, An-Hung Yeh, Bruce Weinheimer
  • Photochromic Article
    Publication number: 20210395436
    Abstract: The present invention relates to a photochromic article that includes a substrate and a photochromic layer formed from a curable photochromic composition. The photochromic composition includes a polyol component that includes a polycarbonate diol, an isocyanate component that includes an unblocked polyfunctional isocyanate and/or a blocked polyfunctional isocyanate, and at least one photochromic compound. The equivalents ratio of blocked/unblocked isocyanate equivalents of the isocyanate component to hydroxyl equivalents of the polyol component is at least 5:1. The photochromic article exhibits a T1/2 (Fade Half Life) at 23° C. of less than or equal to 70 seconds.
    Type: Application
    Filed: November 7, 2019
    Publication date: December 23, 2021
    Inventors: Joseph D. TURPEN, Elizabeth A. ZEZINKA, Emily AMOND, Anu CHOPRA, Michael Frank HALEY, Beon-Kyu KIM, Sujit MONDAL, Nicholas J. PARISE, Brian SHAUGHNESSY, Robert W. WALTERS, Wenjing XIAO, An-Hung YEH