申请人 |
THE DOW CHEMICAL CO., MIDLAND, MICH., US |
发明人 |
GREGORY, THOMAS, MIDLAND, MICHIGAN 48642, US;HURTIG, CARL W., W-2160 STADE, DE;LEDBETTER, HARVEY D., PINEHURST, NORTH CAROLINA 28374, US;QUACKENBUSH, KENNETH J., SAGINAW, MICHIGAN 48602, US;ROSENBERG, STEVEN, MIDLAND, MICHIGAN 48640, US |