Patents by Inventor Daniel Siegel

Daniel Siegel 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).

  • Injection composition for filling or reinforcing grounds
    Patent number: 4590228
    Abstract: The invention relates to a composition of matter especially adapted to injection into the ground, comprising an alkali metal silicate and at least one water-soluble aminoplastic resin, wherein the aldehyde is selected from the group comprising formaldehyde, glyoxal and a mixture of glyoxal and formaldehyde, and the nitrogenous compound is urea.
    Type: Grant
    Filed: February 15, 1985
    Date of Patent: May 20, 1986
    Assignee: Societe Francaise Hoechst
    Inventors: Michel Soreau, Daniel Siegel
  • Cationic ampholytic tetrapolymers and cosmetic compositions containing them
    Patent number: 4590249
    Abstract: The invention relates to new cationic ampholytic water-soluble tetrapolymers for cosmetic compositions for treating keratinous fibers and resulting from copolymerization of:a moles of acrylamide, AAM,b moles of 2-acrylamido-2-methyl-propane sulfonic acid, AMPS,b moles of a basic monomer selected from the three following monomers: dimethylaminoethyl acrylate, ADAME, N-(3-dimethylamino-1-propyl) acrylamide, DMAPA, N-(3-dimethylamino-1-propyl) methacrylamide, DMAPMA, c moles of a cationic monomer selected from the four following monomers:N,N,N-3-trimethylacrylamido-propanaminium chloride, APTAC,N,N,N-3-trimethylmethacrylamido-propanaminium chloride, MAPTAC,N,N,N-2-trimethylacryloyloxy-ethanaminium chloride, CMA, dimethylaminoethyl acrylate hydrochloride, CHA, with the following relations:a+2b+c=10030<a<7510<b<255<c<20.
    Type: Grant
    Filed: October 10, 1984
    Date of Patent: May 20, 1986
    Assignee: Societe Francaise Hoechst
    Inventors: Jean Cabestany, Daniel Siegel, Roland Righetti