Inventor · disambiguated record
Stephan J. Allenson
Also filed as: ALLENSON STEPHAN J
10 granted patents·303 citations·filing 1984–1990
91Inventor score
Top patents by PatentIndex Score
10 records- 0189US4588508ABimodal cationics for water clarificationNALCO CEHMICAL COMPANY·Filed 1984·Granted May 13, 1986·81 cites·5 claims
- 0286US4699951ABimodal cationics for water clarificationNALCO CHEMICAL CO·Filed 1985·Granted Oct 13, 1987·69 cites·11 claims
- 0381US4997581AAdditive and method for temporarily reducing permeability of subterranean formationsNALCO CHEMICAL CO·Filed 1988·Granted Mar 5, 1991·33 cites·18 claims
- 0470US5032297AEnzymatically degradable fluid loss additiveNALCO CHEMICAL CO·Filed 1989·Granted Jul 16, 1991·21 cites·11 claims
- 0570US5009267AMethod for temporarily reducing permeability of subterranean formationsNALCO CHEMICAL CO·Filed 1990·Granted Apr 23, 1991·32 cites·14 claims
- 0665US4792406AMethod for dewatering a slurry using a twin belt press with cationic amine saltsNALCO CHEMICAL CO·Filed 1988·Granted Dec 20, 1988·30 cites·18 claims
- 0753US5032285AReverse emulsion breaking method using amine containing polymersNALCO CHEMICAL CO·Filed 1990·Granted Jul 16, 1991·19 cites·6 claims
- 0849US5021167AMethod for separating liquid from water using amine containing polymersNALCO CHEMICAL CO·Filed 1989·Granted Jun 4, 1991·13 cites·11 claims
- 0933US4917803AWater clarification processNALCO CHEMICAL CO·Filed 1989·Granted Apr 17, 1990·5 cites·10 claims
- 1029US4873280AWater clarification process and composition and methodNALCO CHEMICAL CO·Filed 1989·Granted Oct 10, 1989·0 cites·16 claims
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