H - Electricity – 01 – F
Patent
H - Electricity
01
F
31/153
H01F 1/00 (2006.01)
Patent
CA 1067688
LIGNOSULFONATE COMPOSITION AND A PROCESS FOR ITS PREPARATION Abstract of the Disclosure Lignosulfonate and sulfonated tannin compositions having magnetic properties which may be water-soluble and a process for their preparation are described. The invention pertains to lignosulfonate and sul- fonated tannin composition and a process for their prepara- tion. More particularly it pertains to an iron lignosul- fonate composition having ferromagnetic properties.
257335
Briggs William S.
Kjargaard Niels J.
Briggs William S.
Kjargaard Niels J.
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