Inventor
LANGE LUDWIG
DE20 patents
⚠️ This page may combine multiple inventors who share the name “LANGE LUDWIG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
13 patentsUS3954945AMay 4, 1976
Process for the production of finely divided oxides
DEGUSSA66 citations92
US4640832AFeb 3, 1987
Process for the production of sodium polysulfides from the elements sodium and sulfur
DEGUSSA20 citations80
US4857665AAug 15, 1989
Process for working up the filtration residue of crude sodium prepared by fusion electrolysis into a high-purity sodium alcholate
DEGUSSA22 citations78
US5039506AAug 13, 1991
Method of preparing NA2S (I)
DEGUSSA7 citations71
US4347229AAug 31, 1982
Process for the pyrogenic production of finely divided oxide of a metal and/or a metalloid
DEGUSSA7 citations71
US4584068AApr 22, 1986
Device and process for the fused-salt electrolysis of alkali metal halides
DEGUSSA11 citations68
US5080881AJan 14, 1992
Method of preparing lower sodium polysulfides from higher sodium polysulfides and sodium
DEGUSSA5 citations60
US5075098ADec 24, 1991
Method of preparing Na2 S (II)
DEGUSSA2 citations60
US5039505AAug 13, 1991
Method of preparing Na2 S (III)
DEGUSSA2 citations60
US4258023AMar 24, 1981
Process for the pyrogenous production of very finely divided oxides of a metal and/or of a metalloid
DEGUSSA3 citations60
US4982871AJan 8, 1991
Gastight container for warm storage and transport
DEGUSSA2 citations50
US4767453AAug 30, 1988
Process for creating the flow properties to sodium-production filter residues
DEGUSSA0 citations48
US4536938AAug 27, 1985
Process for the continuous production of solid alkali metal strands
DEGUSSA0 citations33