Patents Assigned to Ciba Specialty Chem. Corp.
  • Amide nucleating agent compositions
    Patent number: 7790793
    Abstract: A composition containing a) a natural or synthetic polymer and b) one or more compounds of the formula (I), (II) or (III) wherein R1, R2 and R3 or Y1, Y2 and Y3 or Z1, Z2 and Z3 are e.g. branched C3-C20alkyl.
    Type: Grant
    Filed: February 9, 2004
    Date of Patent: September 7, 2010
    Assignee: Ciba Specialty Chem. Corp.
    Inventors: Hans-Werner Schmidt, Markus Blomenhofer, Klaus Stoll, Hans-Rudolf Meier
  • Coupling agents between filler and elastomer
    Patent number: 7723409
    Abstract: The invention describes a composition comprising a) a naturally occurring or synthetic elastomer susceptible to oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, b) a white reinforcing filler, and c) as coupling agent, at least one compound of the formula (I) wherein the general symbols are as defined in claim 1, or an oligomeric hydrolysis product of the compound of the formula (I).
    Type: Grant
    Filed: December 6, 2004
    Date of Patent: May 25, 2010
    Assignee: Ciba Specialty Chem. Corp.
    Inventors: Francesco Fuso, Michèle Gerster, Gerrit Knobloch, Pierre Rota-Graziosi