Patents by Inventor Michel Rebeller

Michel Rebeller 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).

  • Process for selectively extracting dyestuffs contained in cyanophyceae algae, the so-extracted dyestuffs and their use, particularly in foodstuffs
    Patent number: 4320050
    Abstract: Process for extracting dyestuffs and particularly a blue pigment, called phycocyanine, from cyanophyceae algae, particularly of the Spirulina species, comprising contacting said algae with a first aqueous phase containing calcium ions, separating therefrom the mass of algae and contacting it with a second aqueous phase of alkaline character, separating the algae therefrom and extracting phycocyanine from said second aqueous phase by subjecting the same to an ultrafiltration step for concentrating the solution and then to a drying step.
    Type: Grant
    Filed: April 4, 1980
    Date of Patent: March 16, 1982
    Assignee: Institut Francais du Petrole
    Inventors: Michel Rebeller, Pierre Yout, Daniel Lonchamp