Inventor
RAPSON W HOWARD
8 patents
⚠️ This page may combine multiple inventors who share the name “RAPSON W HOWARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ERCO IND LTD
4 patentsUS4534952AAug 13, 1985
Small scale generation of chlorine dioxide for water treatment
ERCO IND LTD94 citations95
US4075308AFeb 21, 1978
Production of chlorine dioxide at high efficiency
ERCO IND LTD13 citations70
US4409066AOct 11, 1983
Bleaching procedure using chlorine dioxide and chlorine solutions
ERCO IND LTD4 citations61
US4325783AApr 20, 1982
Bleaching procedure using chlorine dioxide and chlorine solutions
ERCO IND LTD1 citations51
ERCO ENVIROTECH LTD
4 patentsUS4104114AAug 1, 1978
Bleach plant operation
ERCO ENVIROTECH LTD34 citations89
US4039372AAug 2, 1977
Bleach plant filtrate recovery
ERCO ENVIROTECH LTD35 citations89
US4188260AFeb 12, 1980
Low effluent pulp mill, bleach plant operation
ERCO ENVIROTECH LTD9 citations70
US4249990AFeb 10, 1981
Process for removal of potassium values from pulp mill liquors
ERCO ENVIROTECH LTD5 citations53