Inventor
HEMMANN SIGLINDE
DE7 patents
Patents
7 patentsUS4624947ANov 25, 1986
4-dimethylamino-1-hydroxybutane-1,1-diphosphonic acid, salts thereof, and processes therefor
HENKEL KGAA47 citations91
US4908138AMar 13, 1990
Hydroxyacetonitrile diphosphonic acid, a process for its production, and its use
HENKEL KGAA3 citations61
US4892679AJan 9, 1990
Oxa-alkane polyphosphonic acids, their use as thresholders, and complexing compositions containing these compounds
HENKEL KGAA6 citations61
US4876339AOct 24, 1989
Process for synthesis of azacycloalkane-2,2-diphosponic acids
HENKEL KGAA5 citations61
US4719050AJan 12, 1988
Diphosponylated oxonitriles, processes and uses therefor, and compositions containing them
HENKEL KGAA2 citations61
US4962229AOct 9, 1990
Olefinic diphosphonic acids, a process for their production, their use as thresholders, and complexing compositions containing them
HENKEL KGAA0 citations51
US4880575ANov 14, 1989
Olefinic diphosphonic acids, a process for their production, their use as thresholders and complexing compositions containing them
HENKEL KGAA0 citations51