Method for molding 1,4,4a,9a-tetrahydroanthraquinone

Details Method for molding 1,4,4a,9a-tetrahydroanthraquinone Method for molding 1,4,4a,9a-tetrahydroanthraquinone

1987-06-10

1989-01-03

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

To form particulate product

264 13, 425 6, 425310, B29B 904, B29B 910

Patent

active

047956046

ABSTRACT:
A method for molding 1,4,4a,9a-tetrahydroanthraquinone by cooling and solidifying a melt of 1,4,4a,9a-tetrahydroanthraquinone, which comprises contacting the melt with a cooling surface of a temperature of from about 50.degree. to about 80.degree. C. for solidification, and peeling off the solidified product.

REFERENCES:
patent: 1088741 (1914-03-01), Stephens
patent: 1813268 (1931-07-01), Bachler
patent: 3221087 (1965-11-01), Harman
patent: 3405209 (1968-10-01), Aagaard et al.
patent: 3689619 (1972-09-01), Borchmann et al.
patent: 4407840 (1983-10-01), Lathrop et al.

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