Dissatisfied with the speed of ORGANIZATION@1 's production using their `` bromide process '' , ORGANIZATION@2 and ORGANIZATION@3 created the ORGANIZATION@4 in NUMBER@1 , and built a new TEL plant using a more dangerous high-temperature `` ethyl chloride process '' at the ORGANIZATION@5 in LOCATION@1 .

ORGANIZATION@2 and ORGANIZATION@3 continued by using a more dangerous high-temperature method of using lead .
