Patents by Inventor Regis de Baynast de Septfontaines

Regis de Baynast de Septfontaines 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 preparing surface-active agents
    Patent number: 6156543
    Abstract: Process for preparing surfactant, which comprises contacting cane trash, maize by-products, sorghum by-products, barley by-products, rice by-products, fruits, chicory pulp, tubers or cynara for at least 5 seconds with a hydrolysing agent selected from an aqueous acid solution at between 20 and 150.degree. C. and an enzymatic hydrolysing composition of a plant material at between 20 and 90.degree. C. to obtain a sugar syrup, freeing the sugar syrup from any solid residues and contacting the residue-free sugar syrup with a C.sub.4-22 -alcohol at a temperature of between 20 and 150.degree. C., preferably between 30 and 110.degree. C., until a solution of surfactant glycosides is obtained, and separating the surfactant glycosides from this solution.
    Type: Grant
    Filed: August 7, 1998
    Date of Patent: December 5, 2000
    Assignee: Agro Industrie Recherches et Developpements (A.R.D.)
    Inventors: Jean-Noel Bertho, Philippe Mathaly, Veronique Dubois, Regis de Baynast de Septfontaines