Inventor · disambiguated record

Leonid A. Zekel

Also filed as: ZEKEL LEONID A

1 granted patent·28 citations·filing 1998–1998

43Inventor score

Technology areasC22B

Files withEXXON RESEARCH ENGINEERING CO1

Top patents by PatentIndex Score

1 record

0171US6153155ARecovery of the transition metal component of catalyst used in heavy feed hydroconversionEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Nov 28, 2000·28 cites·9 claims

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