Helmut Lask

Person

Wiesbaden, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Device for determining surface moisture
- Patent number 4,924,084
- Issue date May 8, 1990
- Hoechst Aktiengesellschaft
- Helmut Lask
- G01 - MEASURING TESTING
Information Patent Grant
Process and equipment for preparing swellable cross-linked carboxya...
- Patent number 4,250,306
- Issue date Feb 10, 1981
- Hoechst Aktiengesellschaft
- Helmut Lask
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for preparing swellable cross-linked carboxyalkylcelluloses...
- Patent number 4,248,595
- Issue date Feb 3, 1981
- Hoechst Aktiengesellschaft
- Helmut Lask
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of producing hydrophilic articles of water-insoluble polymers
- Patent number 4,200,558
- Issue date Apr 29, 1980
- Hoechst Aktiengesellschaft
- Arno Holst
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of making hydrophilic articles of water-insoluble polymers
- Patent number 4,194,024
- Issue date Mar 18, 1980
- Hoechst Aktiengesellschaft
- Arno Holst
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Bonded fiber web, which is capable of absorbing water vapor compris...
- Patent number 4,187,342
- Issue date Feb 5, 1980
- Hoechst Aktiengesellschaft
- Arno Holst
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Hydrophilic articles of water-insoluble polymers
- Patent number 4,186,238
- Issue date Jan 29, 1980
- Hoechst Aktiengesellschaft
- Arno Holst
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cigarette filter
- Patent number 4,171,705
- Issue date Oct 23, 1979
- Hoechst Aktiengesellschaft
- Arno Holst
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Absorbent laminate
- Patent number 4,144,886
- Issue date Mar 20, 1979
- Hoechst Aktiengesellschaft
- Arno Holst
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the improvement of the water-absorbing capacity and the...
- Patent number 4,136,218
- Issue date Jan 23, 1979
- Hoechst Aktiengesellschaft
- Ehrenfried Nischwitz
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Helmut Lask

Person

Patents Grantslast 30 patents

Device for determining surface moisture

Process and equipment for preparing swellable cross-linked carboxya...

Process for preparing swellable cross-linked carboxyalkylcelluloses...

Method of producing hydrophilic articles of water-insoluble polymers

Method of making hydrophilic articles of water-insoluble polymers

Bonded fiber web, which is capable of absorbing water vapor compris...

Hydrophilic articles of water-insoluble polymers

Cigarette filter

Absorbent laminate

Process for the improvement of the water-absorbing capacity and the...