Inventor · disambiguated record
Frank Ohlbach
Also filed as: OHLBACH FRANK
28 granted patents·320 citations·filing 1998–2004
96Inventor score
Files withBASF AG28
Top patents by PatentIndex Score
28 records- 0191US6469211B2Hydrogenation of nitriles over Raney catalystsBASF AG·Filed 2001·Granted Oct 22, 2002·25 cites·9 claims
- 0291US6462220B1Method for simultaneous preparation of 6-aminocapronitrile and hexamethylene diamineBASF AG·Filed 1999·Granted Oct 8, 2002·47 cites·19 claims
- 0391US6348601B2Preparation of N-methyl-2-pyrrolidone (NMP)BASF AG·Filed 2001·Granted Feb 19, 2002·37 cites·8 claims
- 0488US6699960B1Method for producing polyamides from dinitriles and diaminesBASF AG·Filed 2000·Granted Mar 2, 2004·28 cites·21 claims
- 0586US6265602B1Method for hydrogenating aliphatic alpha-, omega-dinitrilesBASF AG·Filed 1999·Granted Jul 24, 2001·28 cites·9 claims
- 0685US7147757B2Method for separating an azepine derivative out of a mixture containing an amine an azepine derivativeBASF AG·Filed 2001·Granted Dec 12, 2006·14 cites·7 claims
- 0784US7091153B2Hydrogenation catalystBASF AG·Filed 2004·Granted Aug 15, 2006·10 cites·16 claims
- 0881US6852669B2Hydrogenation catalystBASF AG·Filed 2001·Granted Feb 8, 2005·16 cites·28 claims
- 0979US6790995B2Preparation of primary and secondary amines from nitrilesBASF AG·Filed 2002·Granted Sep 14, 2004·10 cites·8 claims
- 1075US6359178B1Method for producing hexamethylene diamineBASF AG·Filed 1999·Granted Mar 19, 2002·15 cites·11 claims
- 1174US6297394B1Iron-based catalyst for hydrogenating alpha-, omega-dinitrilesBASF AG·Filed 1999·Granted Oct 2, 2001·29 cites·15 claims
- 1271US6815388B1Method for activating passivated ironBASF AG·Filed 2000·Granted Nov 9, 2004·10 cites·7 claims
- 1370US6677486B2Hydrogenation of nitriles over Raney catalystsBASF AG·Filed 2001·Granted Jan 13, 2004·4 cites·14 claims
- 1467US6686465B2Preparation of cyclic lactamsBASF AG·Filed 2001·Granted Feb 3, 2004·3 cites·27 claims
- 1567US6683179B2Preparation of caprolactamBASF AG·Filed 2001·Granted Jan 27, 2004·3 cites·11 claims
- 1667US6677449B2Preparation of caprolactamBASF AG·Filed 2001·Granted Jan 13, 2004·3 cites·11 claims
- 1761US6559318B1Method for producing (2S,4R,9S)-octahydro-1H-indole-2-carboxylic acid and intermediate products thereforBASF AG·Filed 1999·Granted May 6, 2003·8 cites·1 claims
- 1859US6828457B2Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrileBASF AG·Filed 2001·Granted Dec 7, 2004·2 cites·12 claims
- 1959US6153748AMethod for hydrogenating compounds from the group of imines or enaminesBASF AG·Filed 1998·Granted Nov 28, 2000·6 cites·4 claims
- 2058US6346641B1Method for simultaneous production of 6-aminocapronitrile and hexamethylenediamineBASF AG·Filed 1999·Granted Feb 12, 2002·6 cites·16 claims
- 2156US6905997B2Method for generating catalystsBASF AG·Filed 2001·Granted Jun 14, 2005·2 cites·11 claims
- 2255US6278023B1Method for producing aliphatic alpha-, omega-diaminesBASF AG·Filed 1999·Granted Aug 21, 2001·5 cites·12 claims
- 2354US6525223B2Preparation of secondary amines from nitrilesBASF AG·Filed 2001·Granted Feb 25, 2003·1 cites·7 claims
- 2450US6878798B2Method for producing a polymer, using caprolactamBASF AG·Filed 2001·Granted Apr 12, 2005·3 cites·10 claims
- 2543US6972075B2Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamineBASF AG·Filed 2001·Granted Dec 6, 2005·5 cites·8 claims
- 2642US6896772B2Method for separating ammonia from solutions containing caprolactam and ammoniaBASF AG·Filed 2001·Granted May 24, 2005·0 cites·23 claims
- 2741US6683180B2Method for the production of caprolactamBASF AG·Filed 2001·Granted Jan 27, 2004·0 cites·9 claims
- 2840US6683178B2Preparation of cyclic lactamsBASF AG·Filed 2001·Granted Jan 27, 2004·0 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →