Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Process of treating scrap or waste product containing solid...
Reexamination Certificate
2011-04-19
2011-04-19
Cain, Edward J (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Process of treating scrap or waste product containing solid...
C521S048500
Reexamination Certificate
active
07928150
ABSTRACT:
An ionomeric, modified poly(1,4-butylene terephthalate) copolymer comprising: polyester units comprising non-ionomeric ester units and ionomeric ester units substituted with an inorganic ionic group; and polyester units having at least one residue that is derived from a polyethylene terephthalate component selected from the group consisting of polyethylene terephthalate and polyethylene terephthalate copolymers is described.
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Kannan Ganesh
Konduri Rama
Shah Dhaval
Cain Edward J
Cantor & Colburn LLP
Eyl Diderico van
Sabic Innovative Plastics IP B.V.
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