Solvent purification

Details Solvent purification Solvent purification

1981-09-29

1983-11-29

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

C08F 616

Patent

active

044181914

ABSTRACT:
A solution polymer process is made essentially energy-free by employing solvent vapor from steam stripping as the sole heat source during the separation of heavies from recycle solvent.

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patent: 2964512 (1960-12-01), Goins
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patent: 3326781 (1967-06-01), Wilson, Jr.
patent: 3403080 (1968-09-01), Clay
patent: 3462347 (1969-08-01), Chapman et al.
patent: 3640980 (1972-02-01), Baba
patent: 3684783 (1972-08-01), Lauck
patent: 3816379 (1974-06-01), Rosenbaum et al.
patent: 4098992 (1978-07-01), Belles

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