Helmut Knittel

Person

Ludwigsburg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Ferriferous bismuth vanadate pigments
- Patent number 5,753,028
- Issue date May 19, 1998
- BASF Aktiengesellschaft
- Harald Ochmann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Bismuth vanadate pigments
- Patent number 5,536,309
- Issue date Jul 16, 1996
- Basf Lacke & Farben Aktiengesellschaft
- Guenter Etzrodt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Bismuth phosphovanadate pigments
- Patent number 5,273,577
- Issue date Dec 28, 1993
- BASF Aktiengesellschaft
- Egon Liedek
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Thermostable bismuth vanadate/molybdate pigments
- Patent number 4,851,049
- Issue date Jul 25, 1989
- BASF Aktiengesellschaft
- Henning Wienand
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Thermostable rutile mixed phase pigments
- Patent number 4,844,741
- Issue date Jul 4, 1989
- Lacke & Farben Aktiengesellschaft
- Helmut Knittel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Preparation of thermally stable lead chromate pigments
- Patent number 4,530,725
- Issue date Jul 23, 1985
- BASF Farben
- Werner Ostertag
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of blue iron hexacyanoferrate-III pigments
- Patent number 4,466,867
- Issue date Aug 21, 1984
- BASF Aktiengesellschaft
- Wolfgang Habermann
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Preparation of blue iron hexacyanoferrate-III pigments, and the pig...
- Patent number 4,451,339
- Issue date May 29, 1984
- BASF Aktiengesellschaft
- Joachim Kranz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for preparing pigment compositions
- Patent number 4,226,634
- Issue date Oct 7, 1980
- BASF Farben & Fasern AG
- Peter Dimroth
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Helmut Knittel

Person

Patents Grantslast 30 patents

Ferriferous bismuth vanadate pigments

Bismuth vanadate pigments

Bismuth phosphovanadate pigments

Thermostable bismuth vanadate/molybdate pigments

Thermostable rutile mixed phase pigments

Preparation of thermally stable lead chromate pigments

Production of blue iron hexacyanoferrate-III pigments

Preparation of blue iron hexacyanoferrate-III pigments, and the pig...

Process for preparing pigment compositions