Patents by Inventor Mark E. Laurint

Mark E. Laurint 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).

  • Method for inhibiting the deposition of organic contaminants in polp and papermaking processes
    Patent number: 5556510
    Abstract: A method of inhibiting the deposition of organic contaminants in a pulp and papermaking system comprising adding to the system an effective amount of a detackifying composition comprising a charged polymer and an oppositely charged surfactant, with the proviso that at least the polymer or the surfactant be surface active.
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: September 17, 1996
    Assignee: Betz Laboratories, Inc.
    Inventors: David D. Dreisbach, Mark E. Laurint, Tien-Feng Ling
  • Method for inhibiting the deposition of organic contaminants in pulp and papermaking processes
    Patent number: 5292403
    Abstract: A method of inhibiting the deposition of organic contaminants in a pulp and papermaking system comprising adding to the system an effective amount of a detackifying composition comprising a charged polymer and an oppositely charged surfactant, with the proviso that at least the polymer or the surfactant be surface active.
    Type: Grant
    Filed: March 10, 1993
    Date of Patent: March 8, 1994
    Assignee: Betz PaperChem, Inc.
    Inventors: David D. Dreisbach, Mark E. Laurint