Inventor · disambiguated record
Bernd Kaletta
Also filed as: KALETTA BERND
11 granted patents·144 citations·filing 1990–1996
90Inventor score
Top patents by PatentIndex Score
11 records- 0192US5721080AElectrophotographic material containing particular phthalocyaninesAGFA GEVAERT NV·Filed 1996·Granted Feb 24, 1998·64 cites·16 claims
- 0279US5326872AProcess for preparation of asymmetric isoindoline pigmentsMILES INC·Filed 1992·Granted Jul 5, 1994·16 cites·16 claims
- 0372US5091532AProcess for the preparation of pigments based on isoindoleBAYER AG·Filed 1990·Granted Feb 25, 1992·12 cites·8 claims
- 0470US5367069AMetal-free, substituted phthalocyanines in the χ-modificationBAYER AG·Filed 1993·Granted Nov 22, 1994·10 cites·4 claims
- 0570US5177209AProcess for preparation of asymmetric isoindoline pigmentsMILES INC·Filed 1991·Granted Jan 5, 1993·11 cites·21 claims
- 0659US5134048AElectrophotographic recording material containing photoconductive porphyrin compoundsAGFA GEVAERT NV·Filed 1990·Granted Jul 28, 1992·12 cites·15 claims
- 0749US5525152APigment salts and their use for dyeing and pigmentingBAYER AG·Filed 1995·Granted Jun 11, 1996·5 cites·10 claims
- 0848US6174635B1Electrophotographic recording material containing metal-free phthalocyaninesAGFA GEVAERT NV·Filed 1995·Granted Jan 16, 2001·9 cites·2 claims
- 0946US5194626AMetal complex pigments of azinesBAYER AG·Filed 1992·Granted Mar 16, 1993·3 cites·6 claims
- 1043US5386051AProcess for the preparation of 1,2,3-tricyanobenzene, phthalocyanines which are obtainable from 1,2,3-tricyanobenzene, and their use as pigmentsBAYER AG·Filed 1993·Granted Jan 31, 1995·2 cites·1 claims
- 1127US5162518AHeterocyclic compounds and porphyrin compounds obtainable therefromBAYER AG·Filed 1992·Granted Nov 10, 1992·0 cites·4 claims
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