Bernd Kaletta

Person

Langenfeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic recording material containing metal-free phthal...
- Patent number 6,174,635
- Issue date Jan 16, 2001
- AGFA-Gevaert, N.V.
- David Terrell
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic material containing particular phthalocyanines
- Patent number 5,721,080
- Issue date Feb 24, 1998
- Agfa-Gevaert, N.V.
- David Terrell
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pigment salts and their use for dyeing and pigmenting
- Patent number 5,525,152
- Issue date Jun 11, 1996
- Bayer Aktiengesellschaft
- Peter Roschger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of 1,2,3-tricyanobenzene, phthalocyanin...
- Patent number 5,386,051
- Issue date Jan 31, 1995
- Bayer Aktiengesellschaft
- Gunther Beck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metal-free, substituted phthalocyanines in the .chi.-modification
- Patent number 5,367,069
- Issue date Nov 22, 1994
- Bayer Aktiengesellschaft
- Gunther Beck
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for preparation of asymmetric isoindoline pigments
- Patent number 5,326,872
- Issue date Jul 5, 1994
- Miles Inc.
- Barbara J. Wagner
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Metal complex pigments of azines
- Patent number 5,194,626
- Issue date Mar 16, 1993
- Bayer Aktiengesellschaft
- Meinhard Rolf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparation of asymmetric isoindoline pigments
- Patent number 5,177,209
- Issue date Jan 5, 1993
- Miles Inc.
- Barbara J. Wagner
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Heterocyclic compounds and porphyrin compounds obtainable therefrom
- Patent number 5,162,518
- Issue date Nov 10, 1992
- Bayer Aktiengesellschaft
- Bernd Kaletta
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotographic recording material containing photoconductive p...
- Patent number 5,134,048
- Issue date Jul 28, 1992
- Agfa-Gevaert, N.V.
- David R. Terrell
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for the preparation of pigments based on isoindole
- Patent number 5,091,532
- Issue date Feb 25, 1992
- Bayer Aktiengesellschaft
- Bernd Kaletta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Bernd Kaletta

Person

Patents Grantslast 30 patents

Electrophotographic recording material containing metal-free phthal...

Electrophotographic material containing particular phthalocyanines

Pigment salts and their use for dyeing and pigmenting

Process for the preparation of 1,2,3-tricyanobenzene, phthalocyanin...

Metal-free, substituted phthalocyanines in the .chi.-modification

Process for preparation of asymmetric isoindoline pigments

Metal complex pigments of azines

Process for preparation of asymmetric isoindoline pigments

Heterocyclic compounds and porphyrin compounds obtainable therefrom

Electrophotographic recording material containing photoconductive p...

Process for the preparation of pigments based on isoindole