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Inventor
PIETZSCH SIEGFRIED
2 patents
Patents
2 patents
US3974084A
Aug 10, 1976
Process for the manufacture of anhydrous alkali metal arylate solutions and separation of the arylates from alkali metal sulfite
HOECHST AG
5 citations
57
US4110365A
Aug 29, 1978
Process for the manufacture of naphthalene-monosulfonic acids
HOECHST AG
1 citations
46