Functionalized elastomers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

Reexamination Certificate

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Details

C526S258000, C526S265000, C526S340000, C525S332300, C525S342000, C525S371000

Reexamination Certificate

active

06927269

ABSTRACT:
This invention discloses a rubbery polymer which is comprised of repeat units that are derived from (1) at least one conjugated diolefin monomer, and (2) at least one functionalized monomer having of the structural formula:wherein R represents an alkyl group containing from 1 to about 10 carbon atoms or a hydrogen atom, and wherein R1and R2can be the same or different and represent hydrogen atoms or a moiety of the structural formula:wherein the R3groups in repeat units and in different repeat units can be the same or different and represent hydrogen atoms or alkyl groups containing from 1 to about 4 carbon atoms, wherein n and x represents integers from 1 to about 10, with the proviso that R1and R2can not both be hydrogen atoms.

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patent: 6627721 (2003-09-01), Rodewald et al.

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