Helmut Waldmann

Person

Leverkusen, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of percarboxylic acid solutions
- Patent number 4,089,892
- Issue date May 16, 1978
- Deutsche Gold-und Silberscheideanstalt Vormals Roessler
- Willi Hofen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of perpropionic acid solutions
- Patent number 4,088,679
- Issue date May 9, 1978
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Gunter Prescher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of perpropionic acid solutions
- Patent number 4,087,454
- Issue date May 2, 1978
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Gunter Prescher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the continuous preparation of percarboxylic acids in or...
- Patent number 4,087,455
- Issue date May 2, 1978
- Bayer Aktiengesellschaft
- Gunter Prescher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of percarboxylic acid solutions
- Patent number 4,059,619
- Issue date Nov 22, 1977
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Gunter Prescher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the hydroxylation of phenol
- Patent number 4,053,523
- Issue date Oct 11, 1977
- Bayer Aktiengesellschaft
- Hermann Seifert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the hydroxylation of phenols and phenol ethers in the n...
- Patent number 4,045,496
- Issue date Aug 30, 1977
- Bayer Aktiengesellschaft
- Hermann Seifert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of .omega.-formyl carboxylic acid esters
- Patent number 4,013,709
- Issue date Mar 22, 1977
- Bayer Aktiengesellschaft
- Helmut Waldmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing aldehydes
- Patent number 4,013,723
- Issue date Mar 22, 1977
- Bayer Aktiengesellschaft
- Helmut Waldmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of .omega.-formyl carboxylic acid esters
- Patent number 4,001,303
- Issue date Jan 4, 1977
- Bayer Aktiengesellschaft
- Helmut Waldmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing aldehydes from oxirane compounds
- Patent number 3,974,224
- Issue date Aug 10, 1976
- Bayer Aktiengesellschaft
- Helmut Waldmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing aldehydes from olefins
- Patent number 3,972,944
- Issue date Aug 3, 1976
- Bayer Aktiengesellschaft
- Helmut Waldmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of ketazines
- Patent number 3,933,910
- Issue date Jan 20, 1976
- Bayer Aktiengesellschaft
- Helmut Waldmann
- C07 - ORGANIC CHEMISTRY

Helmut Waldmann

Person

Patents Grantslast 30 patents

Process for the preparation of percarboxylic acid solutions

Process for the preparation of perpropionic acid solutions

Process for the preparation of perpropionic acid solutions

Process for the continuous preparation of percarboxylic acids in or...

Process for the preparation of percarboxylic acid solutions

Process for the hydroxylation of phenol

Process for the hydroxylation of phenols and phenol ethers in the n...

Production of .omega.-formyl carboxylic acid esters

Process for preparing aldehydes

Production of .omega.-formyl carboxylic acid esters

Process for preparing aldehydes from oxirane compounds

Process for preparing aldehydes from olefins

Process for the production of ketazines