Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1990-07-11
1992-11-24
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524407, 524413, 524434, 524435, 524436, 524440, 524441, 524462, 524546, C08K 308
Patent
active
051662515
ABSTRACT:
A corrosive resistant coating with deep drawability characteristics which is applied to a metal substrate as a wet film and then heated to dry and initiate curing to provide a protective coating tenaciously bonded to the substrate. The composition has a corrosion inhibiting powder metal, a drawing agent of polytetrafluorethylene (PTFE), a primary bonding resin, and a vehicle of solvents. Preferably, the coating composition also has a secondary organic resin and thixotropic, metal suspension and hydroscopic agents. The cured coating composition on a metal substrate, in most instances, eliminates the needs for additional die drawing compounds when deep cold drawing the coated metal substrate.
REFERENCES:
patent: 4098749 (1978-07-01), Hoshino et al.
patent: 4358510 (1982-11-01), Ito et al.
patent: 4391855 (1983-07-01), Geeck
Barrett L. Donald
Flamme Burkhard
Hahn Dale R.
Pelloski Peter E.
Depor Industries, Inc.
Mulcahy Peter P.
Schofer Joseph L.
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