Inventor · disambiguated record
Heinz Litterer
Also filed as: LITTERER HEINZ
12 granted patents·136 citations·filing 1983–1993
90Inventor score
Files withHOECHST AG12
Top patents by PatentIndex Score
12 records- 0189US5744010AProcess for the preparation of the non-toxic salts of 6-methyl-3,4-dihydro-1,2,3-oxathiazin-4-one 2,2-dioxide and arrangement for carrying out this processHOECHST AG·Filed 1993·Granted Apr 28, 1998·60 cites·20 claims
- 0281US4481376AProcess for the synthesis of lower olefins from methanol and/or dimethyl etherHOECHST AG·Filed 1983·Granted Nov 6, 1984·26 cites·3 claims
- 0379US4650915AProcess for preparing p-chlorotoluene and/or m-chlorotolueneHOECHST AG·Filed 1985·Granted Mar 17, 1987·16 cites·3 claims
- 0467US4480128AProcess for the manufacture of o-toluidine and/or m-toluidine and/or p-toluidineHOECHST AG·Filed 1983·Granted Oct 30, 1984·7 cites·12 claims
- 0560US4937395AProcess for the preparation of fluorobenzenesHOECHST AG·Filed 1989·Granted Jun 26, 1990·6 cites·20 claims
- 0657US4554380AProcess 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
- 0755US4931568AProcess for the preparation of thiophene ethersHOECHST AG·Filed 1989·Granted Jun 5, 1990·5 cites·8 claims
- 0847US4522800AProcess for the production of a crystalline aluminosilicate zeoliteHOECHST AG·Filed 1983·Granted Jun 11, 1985·6 cites·3 claims
- 0939US5264094AProcess for the preparation of fluorobenzenesHOECHST AG·Filed 1990·Granted Nov 23, 1993·2 cites·9 claims
- 1035US4605809AAluminosilicates and silica gels having a low content of transition elements, a process for their use in the conversion of methanol to olefinsHOECHST AG·Filed 1983·Granted Aug 12, 1986·2 cites·6 claims
- 1135US4487971AProcess for the isolation of crystalline 1,3-cylohexanedioneHOECHST AG·Filed 1983·Granted Dec 11, 1984·1 cites·20 claims
- 1227US5100520AProcess for the preparation of thiophene derivativesHOECHST AG·Filed 1990·Granted Mar 31, 1992·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →