Hans-Joachim Schittenhelm

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing coated bismuth vanadate yellow pigments
- Patent number 5,851,587
- Issue date Dec 22, 1998
- Bayer AG
- Hans-Joachim Schittenhelm
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing mixed oxide powders from deactivated denox ca...
- Patent number 5,837,635
- Issue date Nov 17, 1998
- Bayer AG
- Jurgen Kischkewitz
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Enamel powder for electrostatic application
- Patent number 5,145,804
- Issue date Sep 8, 1992
- Bayer Aktiengesellschaft
- Hans-Joachim Schittenhelm
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Enamel frits for acid-resistant one-coat enamelling on unpickled st...
- Patent number 5,075,263
- Issue date Dec 24, 1991
- Bayer Aktiengesellschaft
- Hans-Joachim Schittenhelm
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Fluorine-free superopaque enamel frits
- Patent number 5,013,362
- Issue date May 7, 1991
- Bayer Aktiengesellschaft
- Werner Joseph
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
High-temperature heating systems and a process for their production
- Patent number 4,970,375
- Issue date Nov 13, 1990
- Bayer Aktiengesellschaft
- Hans-Joachim Schittenhelm
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Enamel frits for sheet steel with improved bonding
- Patent number 4,847,218
- Issue date Jul 11, 1989
- Bayer Aktiengesellschaft
- Hans-Joachim Schittenhelm
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Heating element combined glass/enamel overcoat
- Patent number 4,713,530
- Issue date Dec 15, 1987
- Bayer Aktiengesellschaft
- Hans-Joachim Schittenhelm
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Coating for metallic substrates
- Patent number 4,689,271
- Issue date Aug 25, 1987
- Bayer Aktiengesellschaft
- Hans-Joachim Schittenhelm
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for electrostatically spraying inorganic powders
- Patent number 4,659,586
- Issue date Apr 21, 1987
- Bayer Aktiengesellschaft
- Hans-Joachim Schittenhelm
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Hans-Joachim Schittenhelm

Person

Patents Grantslast 30 patents

Process for producing coated bismuth vanadate yellow pigments

Process for producing mixed oxide powders from deactivated denox ca...

Enamel powder for electrostatic application

Enamel frits for acid-resistant one-coat enamelling on unpickled st...

Fluorine-free superopaque enamel frits

High-temperature heating systems and a process for their production

Enamel frits for sheet steel with improved bonding

Heating element combined glass/enamel overcoat

Coating for metallic substrates

Process for electrostatically spraying inorganic powders