Inventor

LASK HELMUT

19 patents

⚠️ This page may combine multiple inventors who share the name “LASK HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LASK HELMUT

HOECHST AG

Bonded fiber web, which is capable of absorbing water vapor comprising a swellable cellulose ether in fiber form

Process for the production of water-adsorbing but water-insoluble cellulose ethers

Process for the production of water adsorbing but water-insoluble cellulose ethers

Process and equipment for preparing swellable cross-linked carboxyalkylcelluloses from natural cellulose or cellulose hydrate and use thereof

Process for the improvement of the water-absorbing capacity and the absorptivity of textile materials

Process for preparing swellable cross-linked carboxyalkylcelluloses, in the form of fibers, from cellulose hydrate and use thereof

Method of producing hydrophilic articles of water-insoluble polymers

Absorbent laminate

Deposition of swellable, modified cellulose ether on water wet hydrophilic substrate

Process for the production of water-adsorbing cellulose ethers

Process for the production of water-adsorbing cellulose ethers

Device for determining surface moisture

Electrostatic deposition of swellable, modified cellulose ether on water wet hydrophilic substrate

Method of making hydrophilic articles of water-insoluble polymers

Hydrophilic articles of water-insoluble polymers

Process for the manufacture of water-absorbing cellulose ethers

Cigarette filter

Cigarette filter

BEHRINGWERKE AG

Process and device for measuring antigen-antibody reactions