C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 7/02 (2006.01) B01D 11/02 (2006.01) B08B 7/00 (2006.01) C08J 7/00 (2006.01)
Patent
CA 2125965
2125965 9312161 PCTABS00022 A method for cleaning elastomeric articles comprising contacting the elastomeric article with at least one supercritical fluid under conditions and for a time sufficient to remove the phtalates and/or polynuclear aromatic hydrocarbons (PAHs) contained therein. Elastomeric articles having a reduced phtalate and/or PAH content prepared by the above method are also claimed. Such elastomeric articles having reduced phtalate contents can be utilized as gaskets, valves, seats, flaps or plugs in metered dose delivery devices such as aerosols for demanding medicinal and pharmaceutical uses.
de Crosta Michelle A.
Jagnandan Indradat
Schering Corporation
Swabey Ogilvy Renault
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