Patents by Inventor William E. Albrecht

William E. Albrecht 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).

  • Use of hectorite as a clarification aid for deink plant effluent
    Patent number: 5454955
    Abstract: Hectorite is utilized in conjunction with a water soluble cationic coagulant to clarify waste water from the deinking of waste paper.
    Type: Grant
    Filed: March 25, 1994
    Date of Patent: October 3, 1995
    Assignee: Nalco Chemical Company
    Inventors: William E. Albrecht, David W. Reed, James H. Smith
  • Sodium chloride and polydiallyl dimethyl ammonium chloride as an electroconductive additive
    Patent number: 4084034
    Abstract: Electroconductive paper useful typically in making copies by an electrostatic process may be made by incorporating therein NaCl and a polymer consisting of units derived from diallyl dimethyl ammonium chloride.
    Type: Grant
    Filed: August 23, 1976
    Date of Patent: April 11, 1978
    Assignee: Nalco Chemical Company
    Inventors: Roger H. Jansma, William E. Albrecht