Inventor
KOWALSKI WERNER
DE10 patents
Patents
10 patentsUS4721608AJan 26, 1988
Spheroidal alkali metal polyphosphates of low apparent density, and process for making them
HOECHST AG8 citations71
US4717557AJan 5, 1988
Spheroidal alkali metal polyphosphates of low apparent density, and process for making them
HOECHST AG9 citations71
US4219533AAug 26, 1980
Apparatus for the production of hexagonal phosphorus pentoxide
HOECHST AG12 citations69
US4800055AJan 24, 1989
Process for making a granular product containing sodium triphosphate
HOECHST AG9 citations68
US4705529ANov 10, 1987
Process for reducing the reactivity and improving the flow behavior of phosphorus pentoxide
HOECHST AG2 citations62
US4777025AOct 11, 1988
Process for making phosphorus pentoxide of diminished reactivity
HOECHST AG5 citations61
US4391783AJul 5, 1983
Process for making abrasion-resistant sodium tripolyphosphate
HOECHST AG4 citations61
US4968490ANov 6, 1990
Spheroidal alkali metal polyphosphates of low apparent density, and apparatus for making them
HOECHST AG2 citations60
US4534946AAug 13, 1985
Process for making alkali metal polyphosphates
HOECHST AG6 citations56
US4454054AJun 12, 1984
Sodium tripolyphosphate, process for making it, and its use
HOECHST AG2 citations53