Inventor
SPITALER ULRICH
DE5 patents
Patents
5 patentsUS4918059AApr 17, 1990
Low molecular weight alkali metal huminates, method for their preparation and applications thereof
RUETGERSWERKE AG18 citations78
US4952563AAug 28, 1990
Waterfree application form of low molecular weight alkali huminates
RUETGERSWERKE AG14 citations70
US4921840AMay 1, 1990
Method for the preparation of low molecular weight alkali metal huminates
RUETGERSWERKE AG7 citations70
US4946829AAug 7, 1990
Process and huminate fraction
RUETGERSWERKE AG5 citations61
US4942181AJul 17, 1990
Method of protecting fish
RUETGERSWERKE AG5 citations57