Patents by Inventor Edouard M. Mathieu

Edouard M. Mathieu 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).

  • Overbased carboxylates
    Patent number: 5501807
    Abstract: High basicity calcium carboxylates useful as lubricant and fuel additives and in paints are obtained by carbonating a mixture of a C.sub.7 to C.sub.15 carboxylic preferably branched chain oxo-acid and excess calcium at from 15.degree. to 60.degree. C. in the presence of a volatile solvent. Products with a basicity of from 4 to 8 may be obtained.
    Type: Grant
    Filed: July 12, 1994
    Date of Patent: March 26, 1996
    Inventors: Rainer Benda, Edouard M. Mathieu, Olivier Letailleur
  • Coating compositions
    Patent number: 5283276
    Abstract: A corrosion protection composition a dispersion or solution of (a) colloidal size amorphous overbased sulfonate, (b) solvent or plasticizer, and (c) polymeric material soluble in the solvent or compatible with the plasticizer is disclosed. The composition comprises at least about 70% solids, by weight, and the particle size if the colloidal overbased sulfonate is up to about 100 A. Preferably, the composition is free from any mineral oil. Metal surfaces having the herein disclosed composition applied thereto, or having the applied thereto the composition from which the solvent has been removed also is disclosed.
    Type: Grant
    Filed: February 19, 1992
    Date of Patent: February 1, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Robert D. M. Best, Pierre H. Fillastre, Edouard M. Mathieu