Patents by Inventor Claude Gatellier

Claude Gatellier 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).

  • Patent number: 4860582
    Abstract: A method and device are provided for assessing the clogging risks of a well or bore hole into which a fluid is injected or pumped. According to this method controlled amounts of said fluid are caused to flow through a plurality of samples representative of the porous reservoir which are fed in parallel and whose temperature is maintained substantially constant, and the loss of permeability of said samples is measured as a function of time.
    Type: Grant
    Filed: December 19, 1986
    Date of Patent: August 29, 1989
    Assignee: Institut Francais du Petrole
    Inventors: Lucien Bourguet, Claude Gatellier
  • Patent number: 4382873
    Abstract: Dispersant and biodegradant formulations are manufactured by admixing at least one melamine derivative with at least one compound having a hydroxy function, at least one phosphorus compound and at least one surfactive agent. Aqueous emulsions obtained from these formulations are also provided.
    Type: Grant
    Filed: December 19, 1980
    Date of Patent: May 10, 1983
    Assignee: Institut Francais du Petrole
    Inventors: Claude Gatellier, Andree Plessis, Patrick Gateau, Jean-Pierre Durand
  • Patent number: 4182677
    Abstract: Process for absorbing hydrocarbons or organic solvents, particularly in solution or suspension in water at a low concentration, by means of an absorption mass consisting of rubber particles of from 0.1 to 3 mm, subjected to a treatment with an organic or inorganic acid or an aqueous solution or emulsion thereof.
    Type: Grant
    Filed: September 23, 1977
    Date of Patent: January 8, 1980
    Assignee: Institut Francais du Petrole
    Inventors: Christian Bocard, Philippe Renault, Henri Seris, Claude Gatellier