| 申请人 |
EXXON CHEMICAL LTD., SOUTHAMPTON, HAMPSHIRE, GB;EXXON CHEMICAL PATENTS INC., FLORHAM PARK, N.J., US |
发明人 |
HART, RICHARD JOSEPH, DIDCOT OXON, OX11 9RW, GB;HIRSCH, PETER, D-5000 KOELN 60, DE;HEIN, ANDREAS, D-5010 BERGHEIM-GLESSEN, DE;GSCHWENDTNER, WOLFGANG, WILHELM, JOSEF, D-5000 KOELN 71, DE |
