B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/1034, 18/1048
B29D 7/01 (2006.01)
Patent
CA 1077224
ABSTRACT OF THE DISCLOSURE A method of preparing a polymeric film comprising the steps of applying a layer of solution of the polymer in a volatile solvent therefor to a support, heating the solution to evaporate at least part of the solvent and applying to the surface of the polymer layer a surfactant.
233825
Imperial Chemical Industries Limited
Na
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