Patents by Inventor William R. Busler

William R. Busler 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).

  • Surfactant for self-inverting polyacrylmides
    Patent number: 5925714
    Abstract: Improved water soluble vinyl addition polymers for use as thickening and flocculating agents in water purification treatment, paper manufacture and waste water treatment are prepared using alkoxylated castor oil as an activation release agent. The release agent is biodegradable thereby making the overall product process more environmentally friendly.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: July 20, 1999
    Assignee: SNF S.A.
    Inventors: Eric H. Larson, Manilal Dahanayake, William R. Busler
  • Prevention of subsurface seepage by acrylic acid polymers
    Patent number: 3953975
    Abstract: Porous substrata of small bodies of non-flowing waters are contacted with acrylic acid polymers, having at least 20 percent by weight acrylate, to retard excess water loss due to seepage.
    Type: Grant
    Filed: February 12, 1975
    Date of Patent: May 4, 1976
    Assignee: Nalco Chemical Company
    Inventors: William R. Busler, Donald G. Robinson