Inventor · disambiguated record
Josef Ritz
Also filed as: RITZ JOSEF
27 granted patents·429 citations·filing 1984–1996
97Inventor score
Top patents by PatentIndex Score
27 records- 0186US5496941AProcess for continuous purification of crude caprolactam prepared from 6-aminocapronitrileBASF AG·Filed 1995·Granted Mar 5, 1996·61 cites·2 claims
- 0284US5693793APreparation of caprolactam from 6-aminocapronitrileBASF AG·Filed 1996·Granted Dec 2, 1997·34 cites·5 claims
- 0383US4634584AStabilized solutions of hydroxylamine or its salts in water or alcohols, and their preparationBASF AG·Filed 1984·Granted Jan 6, 1987·17 cites·4 claims
- 0482US5359062ARecovery of caprolactam from polycaprolactamBASF AG·Filed 1993·Granted Oct 25, 1994·23 cites·7 claims
- 0582US4778669APreparation of aqueous solutions of free hydroxylamineBASF AG·Filed 1987·Granted Oct 18, 1988·29 cites·7 claims
- 0682US4576804AStabilized solutions of hydroxylamine or its saltsBASF AG·Filed 1984·Granted Mar 18, 1986·16 cites·6 claims
- 0781US4551318AStabilized solutions of hydroxylamine or its salts in water or alcohols, and their preparationBASF AG·Filed 1984·Granted Nov 5, 1985·15 cites·5 claims
- 0879US5032684AContinuous purification of caprolactamBASF AG·Filed 1990·Granted Jul 16, 1991·19 cites·7 claims
- 0978US5120699APlatinum-on-graphite catalysts and the use thereofBASF AG·Filed 1991·Granted Jun 9, 1992·43 cites·6 claims
- 1078US4882430ARecovery of caprolactam from caprolactam distillation low boilers or high boilers or mixtures thereofBASF AG·Filed 1988·Granted Nov 21, 1989·15 cites·8 claims
- 1177US5700358ARecovery of caprolactam from oligomers and/or polymers of caprolactamBASF AG·Filed 1995·Granted Dec 23, 1997·21 cites·6 claims
- 1276US5536831AObtaining caprolactam by cleavage of molten polycaprolactamBASF AG·Filed 1994·Granted Jul 16, 1996·17 cites·6 claims
- 1376US4629613AStabilized solutions of hydroxylamine or its salts in water or alcohols, and their preparationBASF AG·Filed 1984·Granted Dec 16, 1986·20 cites·4 claims
- 1466US4889704APreparation of hydroxylammonium saltsBASF AG·Filed 1988·Granted Dec 26, 1989·16 cites·5 claims
- 1564US5360905ARecovery of caprolactam from oligomers and/or polymers of caprolactamBASF AG·Filed 1993·Granted Nov 1, 1994·8 cites·9 claims
- 1663US5264571APreparation of caprolactam by Beckmann rearrangement of cyclohexanone oximeBASF AG·Filed 1992·Granted Nov 23, 1993·7 cites·4 claims
- 1760US5441607ARecovery of caprolactam from distillation residues obtained in the purification of caprolactamBASF AG·Filed 1994·Granted Aug 15, 1995·7 cites·6 claims
- 1859US4814511AWorking up cyclohexyl hydroperoxide containing reaction mixturesBASF AG·Filed 1987·Granted Mar 21, 1989·6 cites·7 claims
- 1958US5155081APlatinum-on-graphite catalystsBASF AG·Filed 1991·Granted Oct 13, 1992·14 cites·8 claims
- 2051US4725360AWorking up wastewaters containing hydroxylamine or its saltsBASF AG·Filed 1987·Granted Feb 16, 1988·8 cites·5 claims
- 2149US5236685APreparation of hydroxylammonium saltsBASF AG·Filed 1992·Granted Aug 17, 1993·9 cites·2 claims
- 2246US4931592AStorability of molten cyclohexanone oximeBASF AG·Filed 1989·Granted Jun 5, 1990·3 cites·7 claims
- 2345US5458740AProcess for the purification of crude caprolactamBASF CORP·Filed 1994·Granted Oct 17, 1995·9 cites·5 claims
- 2439US5124138AWork-up of aqueous mother liquors containing hydrochloric acid, sulfuric acid and their hydroxyl-ammonium and ammonium saltsBASF AG·Filed 1990·Granted Jun 23, 1992·5 cites·4 claims
- 2539US4737354APreparation of hydroxylamine-O-sulfonic acidBASF AG·Filed 1987·Granted Apr 12, 1988·4 cites·2 claims
- 2632US4601800APreparation of aqueous solutions of hydroxylammonium carbonateBASF AG·Filed 1984·Granted Jul 22, 1986·2 cites·12 claims
- 2731US4997635APreparation of crystalline hydroxylammonium sulfate having a low ammonium sulfate contentBASF AG·Filed 1990·Granted Mar 5, 1991·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →