Inventor · disambiguated record
Hobe Schroeder
Also filed as: HORSFIELD SYDNEY G · HUIE NICHOLAS C · MEYER DELBERT H · PALMER DAIVD A
23 granted patents·1,125 citations·filing 1978–1993
97Inventor score
Top patents by PatentIndex Score
23 records- 0198US4215051AFormation, purification and recovery of phthalic anhydrideSTANDARD OIL CO INDIANA·Filed 1979·Granted Jul 29, 1980·564 cites·7 claims
- 0297US4892972APurification of crude terephthalic acidAMOCO CORP·Filed 1989·Granted Jan 9, 1990·101 cites·30 claims
- 0397US4833269AMethod for purifying terephthalic acid recycle streamsAMOCO CORP·Filed 1988·Granted May 23, 1989·85 cites·4 claims
- 0492US5362908ACatalyst and method for purifying crude terephthalic acid, isophthalic acid or naphthalene dicarboxylic acidAMOCO CORP·Filed 1993·Granted Nov 8, 1994·51 cites·14 claims
- 0592US5354898AMethod for purifying crude aromatic carboxylic acidsAMOCO CORP·Filed 1993·Granted Oct 11, 1994·45 cites·11 claims
- 0692US4629715APurification of terephthalic acid to relatively low levels of 4-carboxybenzaldehyde and catalyst thereforAMOCO CORP·Filed 1985·Granted Dec 16, 1986·37 cites·17 claims
- 0791US4933491AMethod for purifying a crude naphthalene dicarboxylic acidAMOCO CORP·Filed 1989·Granted Jun 12, 1990·37 cites·32 claims
- 0889US4743577ACatalyst compositionAMOCO CORP·Filed 1986·Granted May 10, 1988·59 cites·17 claims
- 0986US4933492APurification of crude isophthalic acidAMOCO CORP·Filed 1989·Granted Jun 12, 1990·23 cites·19 claims
- 1079US4165324ARemoval of phthalide from impure phthalic anhydrideSTANDARD OIL CO INDIANA·Filed 1978·Granted Aug 21, 1979·16 cites·3 claims
- 1178US4215053AProduction of ortho-phthalic acid and its conversion and recovery of phthalic anhydrideSTANDARD OIL CO INDIANA·Filed 1979·Granted Jul 29, 1980·13 cites·6 claims
- 1276US4215052AProduction of liquid ortho-phthalic acid and its conversion to high purity phthalic anhydrideSTANDARD OIL CO INDIANA·Filed 1979·Granted Jul 29, 1980·12 cites·8 claims
- 1375US4937378APurification of crude isophthalic acidAMOCO CORP·Filed 1989·Granted Jun 26, 1990·12 cites·28 claims
- 1472US4215056AFormation, purification and recovery of phthalic anhydrideSTANDARD OIL CO INDIANA·Filed 1979·Granted Jul 29, 1980·9 cites·6 claims
- 1569US4260546AAged molten color of maleic anhydrideSTANDARD OIL CO INDIANA·Filed 1979·Granted Apr 7, 1981·8 cites·4 claims
- 1667US4234494AFormation, purification and recovery of phthalic anhydrideSTANDARD OIL CO INDIANA·Filed 1979·Granted Nov 18, 1980·7 cites·7 claims
- 1767US4215055AProduction of liquid ortho-phthalic acid and its conversion to high _purity phthalic anhdyrideSTANDARD OIL CO INDIANA·Filed 1979·Granted Jul 29, 1980·7 cites·4 claims
- 1861US4233227APhthalic anhydride formation and separationSTANDARD OIL CO INDIANA·Filed 1979·Granted Nov 11, 1980·5 cites·4 claims
- 1960US4215054AProduction of liquid ortho-phthalic acid and its conversion to high purity phthalic anhydrideSTANDARD OIL CO INDIANA·Filed 1979·Granted Jul 29, 1980·5 cites·4 claims
- 2059US4728630ARhodium on carbon catalystAMOCO CORP·Filed 1986·Granted Mar 1, 1988·16 cites·14 claims
- 2156US4808751AMethod for reactivating a group VIII noble metal catalyst for use in the purification of crude terephthalic acidAMOCO CORP·Filed 1988·Granted Feb 28, 1989·11 cites·19 claims
- 2245US4220596ASeparation of phthalic anhydride from vapor mixture also containing water vaporSTANDARD OIL CO INDIANA·Filed 1978·Granted Sep 2, 1980·2 cites·4 claims
- 2324US4197247ARemoval of bromine from phthalic anhydrideMEYER DELBERT H·Filed 1979·Granted Apr 8, 1980·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →