Heike Kelkenberg

Person

Gladbeck, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Super-absorbents and a process for their preparation
- Patent number 5,496,933
- Issue date Mar 5, 1996
- Chemische Fabrik Stockhausen GmbH
- Heike Kelkenberg
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Aqueous fabric softener for the treatment of textile
- Patent number 5,447,643
- Issue date Sep 5, 1995
- Huels Aktiengesellschaft
- Heike Kelkenberg
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Use of polyhydroxyalkylamine-N,N-dicarboxylic acids and their salts...
- Patent number 5,023,018
- Issue date Jun 11, 1991
- Huls Aktiengesellschaft
- Heike Kelkenberg
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Use of n-polyhydroxyalkyl fatty acid amides as thickening agents fo...
- Patent number 5,009,814
- Issue date Apr 23, 1991
- Huls Aktiengesellschaft
- Heike Kelkenberg
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
N-alkylglycamino compounds, a process for producing them, and their...
- Patent number 5,004,564
- Issue date Apr 2, 1991
- Huels Aktiengesellschaft
- Heike Kelkenberg
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Use of polyhydroxyalkylamine-N-N-dicarboxylic acids and their salts...
- Patent number 4,882,091
- Issue date Nov 21, 1989
- Huls Aktiengesellschaft
- Heike Kelkenberg
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Heike Kelkenberg

Person

Patents Grantslast 30 patents

Super-absorbents and a process for their preparation

Aqueous fabric softener for the treatment of textile

Use of polyhydroxyalkylamine-N,N-dicarboxylic acids and their salts...

Use of n-polyhydroxyalkyl fatty acid amides as thickening agents fo...

N-alkylglycamino compounds, a process for producing them, and their...

Use of polyhydroxyalkylamine-N-N-dicarboxylic acids and their salts...