Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2005-10-11
2005-10-11
Barts, Samuel (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C568S857000, C568S910500, C526S285000
Reexamination Certificate
active
06953868
ABSTRACT:
The present invention is a method for oxyfunctionalizing, that is, introducing oxygen functionality to, a polyolefin such as polypropylene and poly(ethylene-alt-propylene). The polyolefin is contacted with an oxygen source such as a persulfate and catalytic amounts of a metal porphyrin complex under mild conditions to yield an oxyfunctionalized polymer that has a polydispersity that is very similar to that of the starting polymer.
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Boaen Nicole K.
Hahn Stephen F.
Hillmyer Marc A.
Barts Samuel
Dow Global Technologies Inc.
Regents of the University of Minnesota
Witherspoon Sikarl A.
Zerull Susan Moeller
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