Patents by Inventor Luc Ponchon

Luc Ponchon 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).

  • CHIMERIC TRANSFER RNA AND USE THEREOF FOR THE PRODUCTION OF RNA BY A CELL
    Publication number: 20090298920
    Abstract: The present invention relates to the use of a nucleic acid encoding a chimeric transfer RNA (tRNA), which chimeric tRNA originates from the modification of a tRNA by insertion of an RNA into the stem-loop of the anticodon of the tRNA and/or by substitution of all or part of the stem-loop of the anticodon of the tRNA with an RNA, for the production of the RNA or of a part of the RNA, in a cell.
    Type: Application
    Filed: June 13, 2007
    Publication date: December 3, 2009
    Applicant: UNIVERSITE RENE DESCARTES - PARIS V
    Inventors: Frédéric Dardel, Luc Ponchon
  • Sorbent precipitated silica particulates
    Patent number: 5635214
    Abstract: Novel precipitated silica particulates, well suited for conditioning/sorbing a wide variety of liquid active agents thereon, e.g., the vitamins, have (i) a BET surface area of at least 170 m.sup.2 /g; (ii) an oil absorption (DOP) ranging from 220 to 300 ml/g; (iii) a fill density in the packed state of at least 0.29; (iv) a mean particle diameter ranging from 80 to 150 .mu.m; and (v) a maximum grain size distribution index of 0.70.
    Type: Grant
    Filed: June 13, 1996
    Date of Patent: June 3, 1997
    Assignee: Rhone-Poulenc Chimie
    Inventors: Jean-Luc Ponchon, Lionel Rabute