Patents Represented by Attorney, Agent or Law Firm Edward Grolz
  • Blocked phenolic silanes
    Patent number: 6413646
    Abstract: The present invention is directed to acyl and carbonate blocked phenolic silanes of the general structural formula is: (RIC(═O)O)yC6RII6−y−z[CxH2xSi(ORIII)3−a(RIV)a]z where RI is H, CH3 or RVO; RII is H or RVO; RIII is alkyl, phenyl or acyl from 1 to 6 carbon atoms; RIV is hydrogen, alkyl or phenyl from 1 to 6 carbon atoms; RV is a linear or branched alkyl group from 1 to 4 carbon atoms; y is an integer from 1 to 3; z is an integer from 1 to 3; x is an integer from 2 to 6 and a is an integer from 0 to 2.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: July 2, 2002
    Assignee: Crompton Corporation
    Inventors: Eric R. Pohl, Scot M Turner