Assignee
GUYMON E PARK
US·4 granted patents·125 citations·filing 1990–1993
Top patents by PatentIndex Score
4 records- 0181US4968412ASolvent and water/surfactant process for removal of bitumen from tar sands contaminated with clayGUYMON E PARK·Filed 1990·Granted Nov 6, 1990·48 cites·16 claims
- 0269US5252138AWater/surfactant process for recovering hydrocarbons from soil in the absence of emulsifying the oilGUYMON E PARK·Filed 1992·Granted Oct 12, 1993·36 cites·12 claims
- 0366US5195847AProcess for cleaning drilling mud contaminated with hydrocarbonsGUYMON E PARK·Filed 1992·Granted Mar 23, 1993·28 cites·7 claims
- 0458US5298079AProcess for cleaning used oil filtersGUYMON E PARK·Filed 1993·Granted Mar 29, 1994·13 cites·15 claims
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