Inventor
KOSTRZEWA MICHAEL
DE17 patents
Patents
17 patentsUS3936441AFeb 3, 1976
Process for the production of water adsorbing but water-insoluble cellulose ethers
HOECHST AG43 citations92
US4117222ASep 26, 1978
Process for the manufacture of absorbent, modified starch ethers and their use
HOECHST AG51 citations91
US4136218AJan 23, 1979
Process for the improvement of the water-absorbing capacity and the absorptivity of textile materials
HOECHST AG41 citations90
US4200558AApr 29, 1980
Method of producing hydrophilic articles of water-insoluble polymers
HOECHST AG22 citations82
US4068067AJan 10, 1978
Process for the production of water-adsorbing cellulose ethers
HOECHST AG21 citations82
US4066828AJan 3, 1978
Process for the production of water-adsorbing cellulose ethers
HOECHST AG26 citations82
US4044198AAug 23, 1977
Method for cold-milling cellulose derivatives
HOECHST AG20 citations81
US4194024AMar 18, 1980
Method of making hydrophilic articles of water-insoluble polymers
HOECHST AG8 citations73
US4186238AJan 29, 1980
Hydrophilic articles of water-insoluble polymers
HOECHST AG14 citations73
US4097667AJun 27, 1978
Hydroxyalkyl cellulose ethers
HOECHST AG16 citations73
US4075279AFeb 21, 1978
Process for the manufacture of swellable cellulose ethers
HOECHST AG16 citations73
US4068068AJan 10, 1978
Process for the manufacture of water-absorbing cellulose ethers
HOECHST AG13 citations73
US4111858ASep 5, 1978
Process for the preparation of polyhydroxy methylene ethers and ion exchangers composed thereof
HOECHST AG8 citations71
US4672113AJun 9, 1987
Process for purifying aqueous distillation residues during the treatment of liquids in the preparation of cellulose ethers
HOECHST AG15 citations66
US4171705AOct 23, 1979
Cigarette filter
HOECHST AG3 citations62
US4015611AApr 5, 1977
Cigarette filter
HOECHST AG5 citations62
US4061692ADec 6, 1977
Process for the manufacture of swellable, absorptive polymers of polyhydroxy methylene
HOECHST AG0 citations52