Patents by Inventor John H. Munch

John H. Munch 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).

  • Cyclic phenol-aldehyde resins
    Patent number: 4259464
    Abstract: Cyclic phenol-aldehyde resins, for example cyclic tetramers; derivatives thereof; processes by which they are prepared; and uses thereof.
    Type: Grant
    Filed: May 13, 1976
    Date of Patent: March 31, 1981
    Assignee: Petrolite Corporation
    Inventors: Rudolf S. Buriks, Allen R. Fauke, John H. Munch
  • Dehazing compositions
    Patent number: 4054554
    Abstract: This invention relates to compositions which are the reaction products of phenol-formaldehyde resins, .alpha.-olefin epoxides derived from .alpha.-olefins of 4 or more carbons and alkylene oxides such as ethylene and propylene oxides; and to the use of these compositions as dehazers for petroleum distillates.
    Type: Grant
    Filed: March 31, 1975
    Date of Patent: October 18, 1977
    Assignee: Petrolite Corporation
    Inventors: Rudolf S. Buriks, John H. Munch