H - Electricity – 01 – H
Patent
H - Electricity
01
H
H01H 13/70 (2006.01) H01H 13/702 (2006.01) H04M 1/23 (2006.01)
Patent
CA 2118544
Applicants have discovered that coating elastomeric keypads with fluoroaliphatic polymers improves their resistance to skin oil. Specifically, the use of a pentadecafluoroctyl methacrylate polymer coating increases by a factor of 5 the resistance of silicone rubber keypads to skin oil.
Krautter Henry W.
Muller Amy Jean
Sinclair James Douglas
American Telephone And Telegraph Company
Kirby Eades Gale Baker
LandOfFree
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