申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V., DEN HAAG/S'GRAVENHAGE, NL |
发明人 |
BUFFUM, JOHN, EDWARD, HOUSTON, TX 77065, US;KOWALESKI, RUTH, MARY, HOUSTON, TX 77094, US;LOCKEMEYER, JOHN, ROBERT, HOUSTON, TX 77479, US;MATUSZ, MAREK, HOUSTON, TX 77084, US |