Polymerization products and biomedical devices containing same

Details Polymerization products and biomedical devices containing same Polymerization products and biomedical devices containing same

2005-07-01

2008-09-16

Lipman, Bernard (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C525S326200, C526S243000, C526S248000

Reexamination Certificate

active

07425600

ABSTRACT:
Polymerization products formed from a monomeric mixture comprising (a) one or more first monomers of the general formula I:in-line-formulae description="In-line Formulae" end="lead"?A-L-R1—(X—CF═CF2)n  (I)in-line-formulae description="In-line Formulae" end="tail"?wherein R1represents one or more inertly substituted groups; X is independently a group which links the inertly substituted groups and the trifluorovinyl group; L is an optional linking group; A is CO2Z, SO2Z, PO3Z, or OPO3Z wherein Z is hydrogen or an alkali metal and n is an integer of 1 to about 1000; (b) one or more second crosslinking monomers comprising at least three trifluorovinyl groups and (c) one or more prepolymers comprising one or more trifluorovinyl groups are provided. Also provided are biomedical devices formed from such polymerization products.

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