Patents by Inventor Thomas Charles Krosnar

Thomas Charles Krosnar 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).

  • Catalyst composition
    Patent number: 4008179
    Abstract: A heat treated catalyst composition containing antimony and to which has been added an oxide or compound of molybdenum or tungsten in an amount such as to provide from 0.05 to 1.0 atom % of molybdenum or tungsten present, is further promoted by addition of an oxide or compound of uranium and/or vanadium in an amount such as to provide from 0.005 to 0.5 atom % of uranium or vanadium present.
    Type: Grant
    Filed: October 1, 1975
    Date of Patent: February 15, 1977
    Assignee: BP Chemicals International Limited
    Inventors: Edward James Gasson, Thomas Charles Krosnar, deceased, Stanley Frederic Marrian
  • Catalyst compositions
    Patent number: 3990999
    Abstract: Antimony containing catalysts are promoted by addition of small quantities of molybdenum from 0.5 to 1.0 atom%. Preferred compositions to be promoted contain antimony together with tin together with copper and/or iron and/or titanium.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: November 9, 1976
    Assignee: BP Chemicals International Limited
    Inventors: Edward James Gasson, Thomas Charles Krosnar, Stanley Frederic Marrian
  • Production of acrylonitrile by ammoxidation of propylene
    Patent number: 3960925
    Abstract: Production of acrylonitrile by ammoxidation of propylene using as catalyst an oxide composition containing antimony, uranium and titanium together with copper, iron and/or vanadium.
    Type: Grant
    Filed: August 22, 1974
    Date of Patent: June 1, 1976
    Assignee: BP Chemicals International Limited
    Inventors: Edward James Gasson, Thomas Charles Krosnar, Stanley Frederic Marrian