Title: Packaging resins

Abstract: A process for reducing the extractable HCN content of packaging materials prepared from molten nitrile polymers which process comprises having styrene oxide in intimate contact with the molten nitrile polymer during the forming steps used to prepare the packaging materials.

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Inventors: Ott, John B. (Ashfield, MA, US)

Application Number: 489987
Filing Date: 1974-07-19
Publication_date: 1976-08-10
Assignee: Monsanto Company (St. Louis, MO)
Primary Class(es): 426/106 264/182, 264/211, 264/311, 264/525, 524/109, 524/114
Other Classes:
US Patent Ref:

2496508	Feb, 1950	Watson	260/45.
2811505	Oct, 1957	Schulken et al.	260/45.
2951052	Aug, 1960	Darby	260/45.
3101326	Aug, 1963	Montesano	260/45.
3313867	Apr, 1967	Blackburn et al.	260/45.
3406140	Oct, 1968	Polestak et al.	264/211.
3737494	Jun, 1973	Wolf	264/94.
3754851	Aug, 1973	Reilly et al.	264/98.
3870802	Mar, 1975	Harris et al.	426/106.

Other Refs:
Primary Examiner: Thurlow, Jeffery R.
Assistant Examiner:
Attorney: Zagarella, Jr.; Eugene, Farrington; William