Hans-Josef Ratajczak

Person

Marl, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of alkyl sulfate powder having a high b...
- Patent number 5,412,136
- Issue date May 2, 1995
- Huels Aktiengesellschaft
- Michael Stehr
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of specifically adjusted polyalcohol mixtures based on...
- Patent number 4,861,513
- Issue date Aug 29, 1989
- Huels Aktiengesellschaft
- Harald Lueders
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the isomerization of N-alkenes
- Patent number 4,367,362
- Issue date Jan 4, 1983
- Chemische Werke Huels, Aktiengesellschaft
- Gerhard Franz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Self-extinguishing, fine particulate expandable styrene polymers
- Patent number 4,337,319
- Issue date Jun 29, 1982
- Chemische Werke Huls AG
- Josef K. Rigler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst for the production of maleic anhydride
- Patent number 4,335,018
- Issue date Jun 15, 1982
- Chemische Werke Huels Aktiengesellschaft
- Gerhard Franz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Self-extinguishing fine particulate expandable styrene polymers
- Patent number 4,286,071
- Issue date Aug 25, 1981
- Chemische Werke Huls AG
- Josef K. Rigler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of maleic anhydride
- Patent number 4,268,448
- Issue date May 19, 1981
- Chemische Werke Huls Aktiengesellschaft
- Gerhard Franz
- C07 - ORGANIC CHEMISTRY

Hans-Josef Ratajczak

Person

Patents Grantslast 30 patents

Process for the preparation of alkyl sulfate powder having a high b...

Preparation of specifically adjusted polyalcohol mixtures based on...

Process for the isomerization of N-alkenes

Self-extinguishing, fine particulate expandable styrene polymers

Catalyst for the production of maleic anhydride

Self-extinguishing fine particulate expandable styrene polymers

Process for the production of maleic anhydride