Alfons Klein

Person

Duesseldorf, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Heat transfer fluid and process for its preparation
- Patent number 5,384,059
- Issue date Jan 24, 1995
- Bayer Aktiengesellschaft
- Alfons Klein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 4-methyl-2-cyclohexylphenol
- Patent number 4,990,687
- Issue date Feb 5, 1991
- Bayer Aktiengesellschaft
- Alfons Klein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the isolation of alkylated aromatic amines
- Patent number 4,973,759
- Issue date Nov 27, 1990
- Bayer Aktiengesellschaft
- Alfons Klein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dielectric liquids
- Patent number 4,912,596
- Issue date Mar 27, 1990
- Bayer Aktiengesellschaft
- Rudolf Kron
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Impregnating agents and the use thereof
- Patent number 4,772,428
- Issue date Sep 20, 1988
- Bayer Aktiengesellschaft
- Rudolf Kron
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric impregnating fluid and its use
- Patent number 4,410,869
- Issue date Oct 18, 1983
- Bayer Aktiengesellschaft
- Alfons Klein
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1,1,3,3-Substituted hydroxyindanes
- Patent number 4,370,505
- Issue date Jan 25, 1983
- Bayer Aktiengesellschaft
- Alfons Klein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Impregnating agent and its use
- Patent number 4,294,715
- Issue date Oct 13, 1981
- Bayer Aktiengesellschaft
- Alfons Klein
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for the preparation of 3-phenoxy-benzaldehydes
- Patent number 4,275,241
- Issue date Jun 23, 1981
- Bayer Aktiengesellschaft
- Siegfried Bohm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chloro-diphenyl
- Patent number 4,203,145
- Issue date May 13, 1980
- Bayer Aktiengesellschaft
- Alfons Klein
- C07 - ORGANIC CHEMISTRY

Alfons Klein

Person

Patents Grantslast 30 patents

Heat transfer fluid and process for its preparation

Preparation of 4-methyl-2-cyclohexylphenol

Process for the isolation of alkylated aromatic amines

Dielectric liquids

Impregnating agents and the use thereof

Dielectric impregnating fluid and its use

1,1,3,3-Substituted hydroxyindanes

Impregnating agent and its use

Process for the preparation of 3-phenoxy-benzaldehydes

Chloro-diphenyl