Patents by Inventor William S. Paley

William S. Paley 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).

  • N,N-Dimethylene phosphonic acids of alkylene diamines
    Patent number: 4409151
    Abstract: This invention relates to a process of preparing N,N'-disubstituted methylene phosphonic acids by reacting .alpha.,.omega.-alkylene diamines with essentially 2 equivalents of formaldehyde and phosphorus acid based on replaced nitrogen-bonded hydrogens.This invention also relates to compositions formed by the process and to the uses for these compositions such as for inhibiting scale, etc.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: October 11, 1983
    Assignee: Petrolite Corporation
    Inventors: Derek Redmore, William S. Paley
  • N,N-Dimethylene phosponic acids of alkylene diamines
    Patent number: 4330487
    Abstract: This invention relates to a process of preparing N,N'-disubstituted methylene phosphonic acids by reacting .alpha., .omega.-alkylene diamines with essentially 2 equivalents of formaldehyde and phosphorus acid based on replaced nitrogen-bonded hydrogens.This invention also relates to compositions formed by the process and to the uses for these compositions such as for inhibiting scale, etc.
    Type: Grant
    Filed: October 29, 1980
    Date of Patent: May 18, 1982
    Assignee: Petrolite Corporation
    Inventors: Derek Redmore, William S. Paley