Erratum In the notice of "Request for Inter Partes Reexamination Filed" appearing on 1250 OG 63, in the September 11, 2001, Official Gazette, the control number for the request for inter partes reexamination of U.S. patent No. 6,232,427 was incorrectly identified as 90/000,001. The correct control number is 95/000,001. Erratum An incorrect notice of withdrawal for Patent No. 6,277,902 appeared on August 28, 2001, in the Official Gazette, Volume 1249, page 115. In addition, other incorrect information was given. The correct information is that a valid patent, 6,277,902, was issued on August 21, 2001, to Thomas Scholl, et. al of Bergisch Gladback, Federal Republic of Germany for MIXTURES OF RUBBERS AND ACTIVATED AND HYDROPHOBIC OXIDIC AND FILLERS AND A PROCESS FOR THEIR PREPARATION. Erratum In the notice of Certificate of Correction appearing on 1245 O.G. 49, delete all reference to Patent No. 6,009,249, issue of April 10, 2001, the number was erroneously mentioned and should be deleted since no certificate of correction was issued.