Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1980-07-25
1982-05-11
Evans, Joseph E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 2976, C07C 3124
Patent
active
043295193
ABSTRACT:
Crude pentaerythritol is freed from bis-pentaerythritol monoformal impurity by heating it as a dry material to a temperature of 160.degree. to 200.degree. C.
REFERENCES:
patent: 2270839 (1942-01-01), Wyler
patent: 2358697 (1944-09-01), Filbert
patent: 2806069 (1957-09-01), Cake
patent: 2939887 (1960-06-01), Maury et al.
patent: 3968176 (1976-07-01), Uehama et al.
Ebert, "Chem. Abstracts," vol. 25 (1931), pp. 1486, 1487.
Lange, "Handbook of Chemistry," 10th ed. (1961), p. 1750.
Pohl Gerhard
Werle Peter
Degussa - Aktiengesellschaft
Evans Joseph E.
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