Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1987-04-29
1988-04-19
Killos, Paul J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C07C 6976
Patent
active
047391022
ABSTRACT:
A new crystal form of tetrakis-[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionyloxymethyl]-methane is disclosed. It is an individual .beta.-modification crystal form in substantially parallelepipedal to cubic shape. A method of preparation of this new crystal form is likewise disclosed.
REFERENCES:
patent: 3644482 (1972-02-01), Dexter et al.
patent: 3657322 (1972-04-01), Dexter et al.
patent: 4405807 (1983-09-01), Hasui et al.
C.A. 101, 191363g (1984).
Ciba-Geigy Corporation
Hall Luther A. R.
Killos Paul J.
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