Inventor
FRYDMAN ALLEN
DE4 patents
Patents
4 patentsUS4500429AFeb 19, 1985
Process for the biological purification of waste water
LINDE AG43 citations91
US4469600ASep 4, 1984
Process for biological wastewater treatment
LINDE AG31 citations91
US4664804AMay 12, 1987
Process for the removal of heavy metals contained in wastewaters
LINDE AG47 citations89
US4470906ASep 11, 1984
Apparatus for biological wastewater treatment
LINDE AG2 citations61