Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2003-12-16
2010-06-01
Pezzuto, Helen L. (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S173000, C526S328500, C526S339000, C526S347000
Reexamination Certificate
active
07728091
ABSTRACT:
Methods for polymerization of phosphaalkenes using initiators are provided. Also provided are polymers and co-polymers in which the polymer backbone contains tracts of carbon and phosphorous atoms in approximately equimolar amounts. C—P bonds in the polymers of this invention may be predominantly in a head-to-tail arrangement or mixed arrangements. Co-polymers may comprise polyolefin monomer units.
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Tsang
Gates Derek
Tsang Chi-Wing
Yam Mandy
Christie Parker & Hale LLP
Pezzuto Helen L.
The University of British Columbia
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