Patents by Inventor Pierre Hestermans

Pierre Hestermans 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).

  • Halogenated aromatic ethers
    Patent number: 3946083
    Abstract: Suitable as lubricants or dielectric fluids are ethers of the formula ##SPC1##Wherein X is F or H, at least one of the substituents X being F, n is a whole number at least equal to 1, R and R' being identical or different represent H or Cl.
    Type: Grant
    Filed: April 7, 1975
    Date of Patent: March 23, 1976
    Assignee: Tessenderlo Chemie S.A.
    Inventors: Yvon Delaunois, Pierre Hestermans, Georges Leroy, Fernand Peerts, Claude Wilante