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
1990-12-12
1992-12-01
Michl, Paul R.
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...
524502, 524520, 524508, C08L 7908, C08L 2718
Patent
active
051681072
ABSTRACT:
Improved non-stick coating systems can be applied to untreated smooth substrate with a primer of polytetrafluoroethylene of two types, having higher and lower melt viscosities, to give a concentration gradient.
REFERENCES:
patent: 3857852 (1971-12-01), Tieszen
patent: 3928675 (1975-12-01), Tieszen
patent: 4131711 (1978-12-01), Attwood
patent: 4167605 (1979-09-01), Attwood et al.
patent: 4546141 (1985-10-01), Gebauer
patent: 4548986 (1985-10-01), Suzuki et al.
Burgess Richard H.
E. I. Du Pont de Nemours and Company
Michl Paul R.
Szekely Peter
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