B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
148/20, 117/91
B32B 15/08 (2006.01) B05D 7/16 (2006.01) C08G 18/58 (2006.01) C08G 18/80 (2006.01)
Patent
CA 1090662
ABSTRACT OF THE DISCLOSURE Composite coatings, established on metal substrates, now exhibit en- hanced film integrity, such as when exposed to chemicals, solvents and salt. Additional desirable coating characteristics are also maintained. The undercoating of the composite contains a hexavalent-chromium-providing substance. Included in the topcoating applied over the uncured undercoating is a hydroxyl-containing resin and isocyanate adduct. Subsequent heating fully develops the undercoat curing while concomitantly curing the topcoating.
305689
Diamond - Shamrock Corporation
Gowling Lafleur Henderson Llp
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