Patents by Inventor Abdelhamid Stambouli

Abdelhamid Stambouli 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).

  • New substituted derivatives of N-ethyl(meth)acrylamide and a method for the preparation thereof
    Patent number: 4851577
    Abstract: Novel substituted derivatives of N-ethyl(meth)acrylamide complying with the general formula (I): ##STR1## wherein R=H or --CH.sub.3, R.sub.1 =C.sub.1 -C.sub.8 alkyl and R.sub.2 =H or C.sub.1 -C.sub.8 alkyl.They may be obtained by a method in which (meth)acrylamide is reacted with a dialkoxy-2,2 ethanal of the formula (II): ##STR2## wherein R.sub.1 has the meaning indicated above to provide a product of formula (I), in which R.sub.2 =H, and, if desired, by carrying out an etherification with a C.sub.1 -C.sub.8 alkanol.
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: July 25, 1989
    Assignee: Societe Francaise Hoechst
    Inventors: Francine J. Chastrette, Abdelhamid Stambouli