Patents by Inventor Peter L. Szecsi

Peter L. Szecsi 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).

  • Purification of carbonylation products
    Patent number: 4246195
    Abstract: Carbonylation products of methyl acetate such as acetic anhydride are purified with respect to iodine contaminants by treatment with cesium acetate, potassium acetate or sodium acetate.
    Type: Grant
    Filed: October 6, 1978
    Date of Patent: January 20, 1981
    Assignee: Halcon Research and Development Corporation
    Inventor: Peter L. Szecsi
  • Process for producing ethylene glycol
    Patent number: 4209650
    Abstract: Ethylene glycol is prepared by the reaction of ethylene, molecular oxygen and water in the presence of an iodine catalyst and in the presence of a copper co-catalyst or promoter.
    Type: Grant
    Filed: May 28, 1976
    Date of Patent: June 24, 1980
    Assignee: Halcon International, Inc.
    Inventors: Olav T. Onsager, Peter L. Szecsi
  • Preparation of ethylene glycol
    Patent number: 4045500
    Abstract: Ethylene glycol is prepared in an oxidation zone by the reaction of ethylene, molecular oxygen, and water in the presence of an iodine source to produce a liquid reaction product which is separated into a lower-boiling portion, a glycol fraction and a higher-boiling portion and the higher-boiling portion is recycled to the oxidation zone together with part of the lower-boiling portion.
    Type: Grant
    Filed: May 28, 1976
    Date of Patent: August 30, 1977
    Assignee: Halcon International, Inc.
    Inventors: Olav T. Onsager, Peter L. Szecsi