Appeal No. 1997-4443
Application No. 08/246,019
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R1 R2 R3
wherein each of R1, R2 and R3 is independently a hydrogen atom or a
mixture of a first acyl group and a second acyl group, the first acyl group
having 2 carbon atoms and the second acyl group having 10 to 14 carbon
atoms, the first acyl group is present in an amount, on the average, of up to
2 mol per mol of glycerin, the second acyl group is present in an amount,
on the average, of at least 0.9 mol per mol of glycerin and the total amount
of the acyl groups is, on the average, 2.7 to 3.0 per mol of glycerin;
the glycerin ester being present in an amount sufficient to provide the composition with
an oxygen transmission rate of less than about 9 cc-mil/100 in2-atm-day.
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