A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
18/797, 204/91.7
A61L 2/08 (2006.01) B29C 47/00 (2006.01) B29C 47/88 (2006.01) B29C 71/04 (2006.01) C08J 3/28 (2006.01) C08L 23/12 (2006.01)
Patent
CA 1311719
557-3196 ABSTRACT The invention relates to polypropylene articles suit- able for irradiation-sterilization, and a method for preparing the articles. More particularly the method for preparing ir- radiated polypropylene articles comprising extruding polyprop- ylene, quenching said extruded polypropylene immediately after extrusion to provide non-crystalline mesomorphous polypropylene; and irradiating said non-crystalline mesomorphous polypropylene with a dosage of ionizing radiation that would degrade crystal- line polypropylene.
536576
Insley Thomas I.
Krueger Dennis L.
Meyer Daniel E.
Rolando Richard J.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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