Patents by Inventor Henry J. Markowski

Henry J. Markowski 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 of making silicate esters
    Patent number: 4323690
    Abstract: Tetra-alkyl and tetra-alkoxyalkyl silicates are made by reacting an alkanol or an alkoxyalkanol with silicon in the presence of an alkali metal carboxylic acid salt.
    Type: Grant
    Filed: April 20, 1981
    Date of Patent: April 6, 1982
    Assignee: Carboline Company
    Inventors: John F. Montle, Henry J. Markowski, Paul D. Lodewyck, Daniel F. Schneider, III