Patents by Inventor Lz F. Lamoria

Lz F. Lamoria 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).

  • Styrene-butadiene interpolymer latex based cement additives
    Patent number: 4086201
    Abstract: This invention is directed to cement additives consisting essentially of (1) a styrene-butadiene interpolymer latex, (2) a nonionic surfactant, (3) a polyelectrolyte comprising the product obtained by copolymerizing methylmethacrylate and a sulfoester of .alpha.-methylene carboxylic acid or its salt, and (4) a polyorganosiloxane foam depressant, which additives provide portland cement compositions having excellent strength properties, workability and adhesion to cementitious substrates.
    Type: Grant
    Filed: July 15, 1977
    Date of Patent: April 25, 1978
    Assignee: The Dow Chemical Company
    Inventors: James Peters, Robert D. VanDell, R. Douglas Eash, Lz F. Lamoria
  • Vinylidene chloride polymer latex based cement additives
    Patent number: 4086200
    Abstract: This invention is directed to cement additives comprising (1) a vinylidene chloride polymer latex, (2) a nonionic surfactant, (3) a polyelectrolyte comprising the product obtained by copolymerizing methylmethacrylate and a sulfoester of .alpha.-methylene carboxylic acid or its salt, and (4) a polyorganosiloxane foam depressant; and to portland cement compositions containing such additives.
    Type: Grant
    Filed: July 15, 1977
    Date of Patent: April 25, 1978
    Assignee: The Dow Chemical Company
    Inventors: Lz F. Lamoria, Robert D. Van Dell