Inventor · disambiguated record
Hans-Jurgen Arpe
Also filed as: ARPE HANS-JUERGEN · ARPE HANS-JURGEN
22 granted patents·235 citations·filing 1973–1985
95Inventor score
Files withHOECHST AG22
Top patents by PatentIndex Score
22 records- 0192US4224236AProcess for the manufacture of oxygen-containing carbon compounds from synthesis gasHOECHST AG·Filed 1979·Granted Sep 23, 1980·28 cites·11 claims
- 0288US4128575AProcess for the manufacture of glycolic acid or its estersHOECHST AG·Filed 1977·Granted Dec 5, 1978·20 cites·6 claims
- 0384US4501917AProcess for carbonylating formaldehyde acetalsHOECHST AG·Filed 1982·Granted Feb 26, 1985·18 cites·8 claims
- 0484US4110372AProcess for the purification of carboxylic acidsHOECHST AG·Filed 1975·Granted Aug 29, 1978·19 cites·11 claims
- 0581US4247731AProcess for the manufacture of lower alkenes from methanol and/or dimethyl etherHOECHST AG·Filed 1979·Granted Jan 27, 1981·25 cites·6 claims
- 0681US4169959AProcess for the preparation of ethylene glycol-dimethylether (dimethyl glycol)HOECHST AG·Filed 1978·Granted Oct 2, 1979·13 cites·3 claims
- 0779US4650915AProcess for preparing p-chlorotoluene and/or m-chlorotolueneHOECHST AG·Filed 1985·Granted Mar 17, 1987·16 cites·3 claims
- 0877US4442228AProcess for the manufacture of ethanol from synthesis gasHOECHST AG·Filed 1982·Granted Apr 10, 1984·13 cites·7 claims
- 0974US3932518AMethylation of cyclohexanone with simultaneous dehydrogenationHOECHST AG·Filed 1973·Granted Jan 13, 1976·9 cites·2 claims
- 1073US4128727AProcess for the manufacture of acetic acid ethyl esterHOECHST AG·Filed 1977·Granted Dec 5, 1978·9 cites·12 claims
- 1171US4324921AProcess for the manufacture of ethers of hydroxy-pivalaldehydeHOECHST AG·Filed 1980·Granted Apr 13, 1982·10 cites·3 claims
- 1268US4093666AProcess for the manufacture of glycol ether formalsHOECHST AG·Filed 1976·Granted Jun 6, 1978·7 cites·10 claims
- 1365US4935561AProcess for isomerizing monochlorotoluenes or dichlorotoluenesHOECHST AG·Filed 1985·Granted Jun 19, 1990·15 cites·10 claims
- 1465US4288558AProcess for the manufacture of oxygen-containing carbon compounds from synthesis gasHOECHST AG·Filed 1980·Granted Sep 8, 1981·7 cites·13 claims
- 1559US4009209ADimerization of cyclohexylidene-acetonitrile and hydrogenation of the resulting substituted glutaric acid dinitrileHOECHST AG·Filed 1976·Granted Feb 22, 1977·3 cites·9 claims
- 1657US4554380AProcess for the manufacture of o-toluidine and/or m-toluidine and/or p-toluidineHOECHST AG·Filed 1984·Granted Nov 19, 1985·4 cites·3 claims
- 1757US3972949AProcess for preparing glycol dimethyl ethersHOECHST AG·Filed 1975·Granted Aug 3, 1976·11 cites·3 claims
- 1839US3957792AProcess for preparing 2-ethyl-pyridineHOECHST AG·Filed 1974·Granted May 18, 1976·1 cites·6 claims
- 1938US4720583AProcess for the isomerization of o-, m- and/or p-toluidineHOECHST AG·Filed 1985·Granted Jan 19, 1988·1 cites·9 claims
- 2033US4107263AProcess for the preparation of bromine and hydrogen bromide from ammonium bromideHOECHST AG·Filed 1977·Granted Aug 15, 1978·3 cites·22 claims
- 2133US4105753AMethod for selective production of bromineHOECHST AG·Filed 1975·Granted Aug 8, 1978·3 cites·16 claims
- 2229US4041039AProcess for preparing 2-ethyl-pyridineHOECHST AG·Filed 1976·Granted Aug 9, 1977·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →