Inventor · disambiguated record
Horst E. Zilch
Also filed as: ZILCH HORST E
4 granted patents·185 citations·filing 1975–1988
81Inventor score
Files withUNION OIL CO4
Top patents by PatentIndex Score
4 records- 0195US4032460AInhibition of scale deposition in high temperature wellsUNION OIL CO·Filed 1975·Granted Jun 28, 1977·93 cites·10 claims
- 0284US4039459AComposition and method for drilling a reservoir containing a high temperature aqueous liquidUNION OIL CO·Filed 1976·Granted Aug 2, 1977·42 cites·12 claims
- 0379US4905762AInhibiting wax deposition from a wax-containing oilUNION OIL CO·Filed 1988·Granted Mar 6, 1990·27 cites·20 claims
- 0469US3958635AMethod of inhibiting scale for high temperature steam wellsUNION OIL CO·Filed 1975·Granted May 25, 1976·23 cites·9 claims
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