Inventor
KRUEGER FRIEDRICH
11 patents
⚠️ This page may combine multiple inventors who share the name “KRUEGER FRIEDRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BENCKISER GMBH JOH A
9 patentsUS4029697AJun 14, 1977
N-acyl-1-amino alkane-1,1-diphosphonic acid compounds, process of making same, and compositions for and method of using same
BENCKISER GMBH JOH A8 citations73
US3959361AMay 25, 1976
Process of producing amino methylene phosphonic acids
BENCKISER GMBH JOH A19 citations70
US4009204AFeb 22, 1977
Process of producing crystalline nitrilo tris-(methylene phosphonic acid)
BENCKISER GMBH JOH A8 citations69
US4094782AJun 13, 1978
N-acyl-1-amino alkane-1,1-diphosphonic acid compounds and compositions for and method of using same
BENCKISER GMBH JOH A3 citations62
US4128492ADec 5, 1978
Process of producing a cyclohexane-1,2,3,4-tetracarboxylic acid-containing scale inhibitor
BENCKISER GMBH JOH A2 citations56
US4043930AAug 23, 1977
1,4-Bis-formyl cyclohexane polycarboxylic acids, process of making same, and compositions and methods of using same
BENCKISER GMBH JOH A2 citations56
US4279758AJul 21, 1981
Process for inhibiting the formation of mineral deposits from a water using N-N-dialkylureidomethane diphosphonic acids
BENCKISER GMBH JOH A1 citations51
US4139554AFeb 13, 1979
Process of producing N,N-dimethylamino methane diphosphonic acid
BENCKISER GMBH JOH A1 citations51
US4041110AAug 9, 1977
Monophosphoric acid esters of hydroxy alkyl urea compounds
BENCKISER GMBH JOH A1 citations51