Patents by Inventor Bernard Bossand

Bernard Bossand 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).

  • Filter paper for laden liquids
    Patent number: 6224768
    Abstract: The subject-matter of the present invention is a filter paper for laden liquids, with a high adsorption and absorption capacity. This paper, based on cellulose fibers, is filled with organic and/or inorganic pulverulent matter. The powder filling is adapted in quantity and quality to the liquid to be filtered. It finds its application in petrochemical, agri-foodstuffs and papermaking industries.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: May 1, 2001
    Assignees: Elf Antar France, Ahlstrom
    Inventors: Francois-Pierre Navarre, Bernard Bossand, Pierre Girard, Joseph Dussaud
  • Device for purifying lightly laden water
    Patent number: 5984110
    Abstract: The subject matter of the present invention is a device for purifying lightly laden water containing particles and/or fatty matter and/or microorganisms in suspension. The device of the invention is a filter comprising a grid (1) on which is placed a filter element (3) consisting of at least one sheet based on fibers and filled with organic and/or inorganic powders. The invention finds its application in all the industries which consume water and especially the crude oil processing industries and the chemical, papermaking and agri-foodstuffs industries.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: November 16, 1999
    Assignees: Elf Antar France, Ahlstrom
    Inventors: Francois-Pierre Navarre, Bernard Bossand, Pierre Girard, Joseph Dussaud
  • Filled paper for gas filtration
    Patent number: 5965091
    Abstract: The present invention relates to a filled paper for gas filtration, with a high adsorption and absorption capacity. This paper, consisting of cellulose fibers, is filled with organic and/or inorganic powders adapted in quantity and in quality to the gas to be treated.It finds its application in the petroleum, chemical, agri-foodstuffs and papermaking industries, in apartment buildings and in office and hospital buildings.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: October 12, 1999
    Assignees: Elf Antar France, Ahlstrom
    Inventors: Francois-Pierre Navarre, Bernard Bossand, Pierre Girard, Joseph Dussaud
  • Protection of hydrocarbons against the action of microorganisms
    Patent number: 4708720
    Abstract: Process for inhibition of microorganisms in liquid hydrocarbons by the introduction of one or more biocidal agents into these hydrocarbons, which also include a small quantity of water and a surface-active compound.This treatment is particularly useful for preserving liquid hydrocarbons such as petrol, kerosene, gasoline or domestic fuel while being stored.
    Type: Grant
    Filed: February 13, 1986
    Date of Patent: November 24, 1987
    Assignee: Societe Anonyme Elf France
    Inventors: Henri Grangette, Michel Llinares, Bernard Bossand, Alain Faure
  • Organic ameliorators protected by a hydrocarbon structure allowing the improvements of soil properties
    Patent number: 4684391
    Abstract: Process of manufacture of solid and liquid organic soil ameliorators characterized in that while stirring at between 20.degree. C. and 70.degree. C. an aqueous suspension of substance rich in organic matter is incorporated to a hydrocarbon based aqueous emulsion, the mixture obtained being, as necessary, filtered in order to remove excess water;Solid and liquid organic ameliorators constituted by an organic matter coated by 0.25 to 25% by weight hydrocarbon; applications for the improvement of soils for agricultural and horticultural cultivation, re-timbering and ballasting of oil tankers.
    Type: Grant
    Filed: November 21, 1985
    Date of Patent: August 4, 1987
    Assignee: ELF France
    Inventors: Bernard Bossand, Jacques Eppe, Alain Faure, Gilles Leygue