Inventor · disambiguated record
Alfons Klein
Also filed as: KLEIN ALFONS
16 granted patents·89 citations·filing 1973–1993
92Inventor score
Top patents by PatentIndex Score
16 records- 0184US4013473ARecording materials and image receiving materials for producing copies in a dry wayAGFA GEVAERT NV·Filed 1975·Granted Mar 22, 1977·17 cites·13 claims
- 0276US5384059AHeat transfer fluid and process for its preparationBAYER AG·Filed 1993·Granted Jan 24, 1995·15 cites·10 claims
- 0369US4973759AProcess for the isolation of alkylated aromatic aminesBAYER AG·Filed 1989·Granted Nov 27, 1990·9 cites·20 claims
- 0465US3954889AProcess for the production of 1,1,3,3-substituted hydroxyindanesBAYER AG·Filed 1974·Granted May 4, 1976·6 cites·11 claims
- 0562US4275241AProcess for the preparation of 3-phenoxy-benzaldehydesBAYER AG·Filed 1979·Granted Jun 23, 1981·5 cites·11 claims
- 0661US4294715AImpregnating agent and its useBAYER AG·Filed 1979·Granted Oct 13, 1981·15 cites·5 claims
- 0759US4045499AProcess for the preparation of 1,1,3,3-substituted hydroxy indanesBAYER AG·Filed 1974·Granted Aug 30, 1977·5 cites·9 claims
- 0855US3968173AProcess for the preparation of 5-isopropyl-3-methyl-phenolBAYER AG·Filed 1973·Granted Jul 6, 1976·4 cites·8 claims
- 0939US4370505A1,1,3,3-Substituted hydroxyindanesBAYER AG·Filed 1977·Granted Jan 25, 1983·1 cites·11 claims
- 1034US4410869ADielectric impregnating fluid and its useBAYER AG·Filed 1982·Granted Oct 18, 1983·5 cites·30 claims
- 1133US4990687APreparation of 4-methyl-2-cyclohexylphenolBAYER AG·Filed 1989·Granted Feb 5, 1991·0 cites·17 claims
- 1233US4052216AColor photographic material containing a hydroxyindaneAGFA GEVAERT AG·Filed 1976·Granted Oct 4, 1977·3 cites·3 claims
- 1332US4203145AChloro-diphenylBAYER AG·Filed 1978·Granted May 13, 1980·2 cites·29 claims
- 1430US3941601APhotographic silver halide material which contains color couplersAGFA GEVAERT AG·Filed 1974·Granted Mar 2, 1976·1 cites·2 claims
- 1529US4772428AImpregnating agents and the use thereofBAYER AG·Filed 1987·Granted Sep 20, 1988·1 cites·15 claims
- 1628US4912596ADielectric liquidsBAYER AG·Filed 1989·Granted Mar 27, 1990·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →