C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
206/19, 400/4918
C09K 3/10 (2006.01)
Patent
CA 1338360
A sealing composition for a container closure comprises a polymeric matrix material and its oxygen permeability is reduced by incorporating ethylene vinyl alcohol polymer into the composition. The composition can be in fluid or meltable form ready for application to a closure or it can be present as a deposit on the closure, for instance a gasket around the closure.
604178
Samuel David Nuttall
Williams Richard Stephen
Smart & Biggar
W.r. Grace & Co.,-Conn.
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