Inventor · disambiguated record
Ludwig Lange
Also filed as: LANGE LUDWIG
13 granted patents·147 citations·filing 1972–1990
91Inventor score
Files withDEGUSSA13
Top patents by PatentIndex Score
13 records- 0192US3954945AProcess for the production of finely divided oxidesDEGUSSA·Filed 1972·Granted May 4, 1976·66 cites·12 claims
- 0282US4857665AProcess for working up the filtration residue of crude sodium prepared by fusion electrolysis into a high-purity sodium alcholateDEGUSSA·Filed 1988·Granted Aug 15, 1989·22 cites·10 claims
- 0369US4640832AProcess for the production of sodium polysulfides from the elements sodium and sulfurDEGUSSA·Filed 1985·Granted Feb 3, 1987·20 cites·18 claims
- 0454US4584068ADevice and process for the fused-salt electrolysis of alkali metal halidesDEGUSSA·Filed 1984·Granted Apr 22, 1986·11 cites·14 claims
- 0546US4347229AProcess for the pyrogenic production of finely divided oxide of a metal and/or a metalloidDEGUSSA·Filed 1980·Granted Aug 31, 1982·7 cites·9 claims
- 0642US5039506AMethod of preparing NA2S (I)DEGUSSA·Filed 1990·Granted Aug 13, 1991·7 cites·10 claims
- 0736US5080881AMethod of preparing lower sodium polysulfides from higher sodium polysulfides and sodiumDEGUSSA·Filed 1989·Granted Jan 14, 1992·5 cites·11 claims
- 0835US4258023AProcess for the pyrogenous production of very finely divided oxides of a metal and/or of a metalloidDEGUSSA·Filed 1979·Granted Mar 24, 1981·3 cites·4 claims
- 0929US5075098AMethod of preparing Na2 S (II)DEGUSSA·Filed 1990·Granted Dec 24, 1991·2 cites·4 claims
- 1029US5039505AMethod of preparing Na2 S (III)DEGUSSA·Filed 1990·Granted Aug 13, 1991·2 cites·7 claims
- 1126US4767453AProcess for creating the flow properties to sodium-production filter residuesDEGUSSA·Filed 1988·Granted Aug 30, 1988·0 cites·2 claims
- 1224US4982871AGastight container for warm storage and transportDEGUSSA·Filed 1989·Granted Jan 8, 1991·2 cites·10 claims
- 1322US4536938AProcess for the continuous production of solid alkali metal strandsDEGUSSA·Filed 1981·Granted Aug 27, 1985·0 cites·6 claims
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