Patents by Inventor Yen-Yau CHAO

Yen-Yau CHAO 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).

  • Aqueous foam carrier and method of making the same
    Patent number: 10730795
    Abstract: A stable aqueous foam carrier. The stable aqueous foam carrier includes (1) a stable aqueous foam comprising a foam agent and a foam stabilizer; and (2) additives comprising fibers and other additives used in hydraulic compositions, wherein the additives are uniformly dispersed in the stable aqueous form carrier, wherein the stable aqueous foam carrier does not contain any of gypsum, cement, concrete, fine pozzolanic additives, and aggregates.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: August 4, 2020
    Assignee: ALLIED FOAM TECH CORP.
    Inventor: Yen-Yau Chao
  • FOAMING AGENT AND DISPERSANT COMBINATIONS FOR GYPSUM COMPOSITIONS
    Publication number: 20190084885
    Abstract: A lightweight gypsum compositions gypsum composition with good water resistance having a low water-to-stucco ratio, high flowability, and mechanical strength. The gypsum composition includes a cationic agent, an anionic agent, an aqueous stucco slurry containing a stucco, a water reducing dispersant, and water. The cationic agent may operate as a foaming agent, and the anionic agent may operate as a foam stabilizer.
    Type: Application
    Filed: September 19, 2018
    Publication date: March 21, 2019
    Inventor: Yen-Yau CHAO
  • AQUEOUS FOAM CARRIER AND METHOD OF MAKING THE SAME
    Publication number: 20180257986
    Abstract: A stable aqueous foam carrier. The stable aqueous foam carrier includes (1) a stable aqueous foam comprising a foam agent and a foam stabilizer; and (2) additives comprising fibers and other additives used in hydraulic compositions, wherein the additives are uniformly dispersed in the stable aqueous form carrier, wherein the stable aqueous foam carrier does not contain any of gypsum, cement, concrete, fine pozzolanic additives, and aggregates.
    Type: Application
    Filed: May 14, 2018
    Publication date: September 13, 2018
    Inventor: Yen-Yau CHAO