Inventor
ALLENSON STEPHAN J
US10 patents
⚠️ This page may combine multiple inventors who share the name “ALLENSON STEPHAN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NALCO CHEMICAL CO
9 patentsUS5009267AApr 23, 1991
Method for temporarily reducing permeability of subterranean formations
NALCO CHEMICAL CO32 citations92
US4997581AMar 5, 1991
Additive and method for temporarily reducing permeability of subterranean formations
NALCO CHEMICAL CO33 citations92
US4699951AOct 13, 1987
Bimodal cationics for water clarification
NALCO CHEMICAL CO69 citations92
US4792406ADec 20, 1988
Method for dewatering a slurry using a twin belt press with cationic amine salts
NALCO CHEMICAL CO30 citations88
US5032297AJul 16, 1991
Enzymatically degradable fluid loss additive
NALCO CHEMICAL CO21 citations81
US5032285AJul 16, 1991
Reverse emulsion breaking method using amine containing polymers
NALCO CHEMICAL CO19 citations81
US5021167AJun 4, 1991
Method for separating liquid from water using amine containing polymers
NALCO CHEMICAL CO13 citations73
US4917803AApr 17, 1990
Water clarification process
NALCO CHEMICAL CO5 citations61
US4873280AOct 10, 1989
Water clarification process and composition and method
NALCO CHEMICAL CO0 citations40