Patents by Inventor Serge Bensaid

Serge Bensaid 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 for producing a granular material and product obtained
    Patent number: 7670519
    Abstract: A method for producing a free-flowing granular material includes screening pumice and mixing it with sludge issuing from the biological treatment of municipal or industrial wastewater.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: March 2, 2010
    Assignee: Sem Stone
    Inventors: Jean-Pierre Camp, Serge Bensaid
  • Pumice stone with a carbon content, process for its production and its applications
    Patent number: 7517831
    Abstract: This pumice stone, which has a carbon content of between 5 and 15% by weight, is capable of adsorbing hydrocarbons but is hydrophobic. It can be applied in decontaminating a sheet of water.
    Type: Grant
    Filed: May 27, 2005
    Date of Patent: April 14, 2009
    Assignee: Sem Stone
    Inventors: Jean-Pierre Camp, Serge Bensaid
  • Pumice Stone with a Carbon Content, Process for Its Production and Its Applications
    Publication number: 20070267350
    Abstract: This pumice stone, which has a carbon content of between 5 and 15% by weight, is capable of adsorbing hydrocarbons but is hydrophobic. It can be applied in decontaminating a sheet of water.
    Type: Application
    Filed: May 27, 2005
    Publication date: November 22, 2007
    Inventors: Jean-Pierre Camp, Serge Bensaid
  • Method for Producing a Granular Material and Product Obtained
    Publication number: 20070261605
    Abstract: A method for producing a free-flowing granular material includes screening pumice and mixing it with sludge issuing from the biological treatment of municipal or industrial wastewater.
    Type: Application
    Filed: October 15, 2004
    Publication date: November 15, 2007
    Applicant: SEM STONE
    Inventors: Jean-Pierre Camp, Serge Bensaid