Patents by Inventor Henri Wroblewski

Henri Wroblewski 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).

  • Nonionic surfactants having a carbamoyl group and process for treatment of a proteins containing medium using the same
    Patent number: 5223411
    Abstract: The present invention relates to non ionic surfactants having the general formula (I): ##STR1## wherein: R.sup.1 is H or CH3R.sup.2 is H or OHR.sup.3 is H or OHR.sup.4 is an alkyl of formula --(CH.sub.2).sub.n --CH.sub.3 wherein n is an integer comprised between 6 and 20It also relates to a process for treatment of proteins containing medium without denaturation of said proteins, using these surfactants.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: June 29, 1993
    Assignee: Centre National de la Recherche Scientifique (CNRS)
    Inventors: Daniel Plusquellec, Henri Wroblewski