Polyether admixture and semi-permeable membranes comprised there

Details Polyether admixture and semi-permeable membranes comprised there Polyether admixture and semi-permeable membranes comprised there

1979-05-03

1982-03-09

Briggs, Sr., Wilbert J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

2105002, 525535, 525930, C08L 7100, C08L 8106

Patent

active

043190081

ABSTRACT:
Semi-permeable, e.g., ultrafiltration membranes are shaped from a solvent solution of an admixture of at least one polyether comprising recurring units of the structural formula:

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patent: 4118439 (1978-10-01), Marze
patent: 4200726 (1980-04-01), Ishii et al.
patent: 4207182 (1980-06-01), Marze
patent: 4208508 (1980-06-01), Hashino et al.

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