Inventor · disambiguated record
Willibald Serrand
Also filed as: SERRAND WILLIBALD
13 granted patents·259 citations·filing 1989–2002
92Inventor score
Top patents by PatentIndex Score
13 records- 0183US5348642ACatalytic cracking process with circulation of hot, regenerated catalyst to the stripping zoneEXXON RESEARCH ENGINEERING CO·Filed 1993·Granted Sep 20, 1994·47 cites·8 claims
- 0282US5714663AProcess for obtaining significant olefin yields from residua feedstocksEXXON RESEARCH ENGINEERING CO·Filed 1996·Granted Feb 3, 1998·63 cites·6 claims
- 0378US5365006AProcess and apparatus for dehydrogenating alkanesEXXON RESEARCH ENGINEERING CO·Filed 1991·Granted Nov 15, 1994·40 cites·12 claims
- 0461US5952539ADual process for obtaining olefinsEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Sep 14, 1999·25 cites·21 claims
- 0559US5658455AFluidized bed coking processEXXON RESEARCH ENGINEERING CO·Filed 1995·Granted Aug 19, 1997·16 cites·7 claims
- 0657US6179993B1Process for obtaining olefins from residual feedstocksEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Jan 30, 2001·21 cites·12 claims
- 0752US6352638B2Two-stage process for converting residua to gasoline blendstocks and light olefinsEXXON RESEARCH ENGINEERING CO·Filed 2000·Granted Mar 5, 2002·4 cites·10 claims
- 0848US5023069AProcess for removing sulfur moieties from Claus tail-gasEXXON RESEARCH ENGINEERING CO·Filed 1989·Granted Jun 11, 1991·13 cites·14 claims
- 0947US5714056AProcess for deasphalting residua (HEN9511)EXXON RESEARCH ENGINEERING CO·Filed 1995·Granted Feb 3, 1998·16 cites·7 claims
- 1040US5919352AIntegrated residua upgrading and fluid catalytic crackingEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Jul 6, 1999·10 cites·9 claims
- 1138US6652739B2Process for deasphalting residua by reactive recycle of high boiling materialEXXONMOBIL RES & ENG CO·Filed 2002·Granted Nov 25, 2003·0 cites·16 claims
- 1231US5879535ATwo-stage process for obtaining significant olefin yields from residua feedstocksEXXON RESEARCH ENGINEERING CO·Filed 1996·Granted Mar 9, 1999·3 cites·10 claims
- 1330US5879536ATwo-stage process for obtaining significant olefin yields from residua feedstocksEXXON RESEARCH ENGINEERING CO·Filed 1996·Granted Mar 9, 1999·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →