Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2007-10-23
2007-10-23
Teskin, Fred (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S268000, C525S269000, C525S273000, C526S086000, C526S087000
Reexamination Certificate
active
11687461
ABSTRACT:
Radical polymerization process for the preparation of halogenated polymers employing one or more ethylenically unsaturated monomers, at least one of which is chosen from halogenated monomers, molecular iodine and one or more radical-generating agents chosen from diazo compounds, peroxides and dialkyl diphenylalkanes Radical polymerization process for the preparation, starting from the halogenated polymers prepared by the process as described above, of block copolymers, at least one block of which is a halogenated polymer block. Halogenated polymers which have a number-average molecular mass Mn of greater than 1.0×104and an Mz/Mw ratio of less than 1.65. Block copolymers, at least one block of which is a block of halogenated polymer identical to the halogenated polymers described above. Block copolymers comprising at least one halogenated polymer block which have a number-average molecular mass Mn of greater than 1.5×104and a polydispersity index Mw/Mn of less than 1.60.
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U.S. Appl. No. 11/687,461, filed Mar. 16, 2007, Lacroix-Desmazes et al.
Bodart Vincent
Boutevin Bernard
Kurowski Vincent
Lacroix-Desmazes Patrick
Severac Romain
Solvay ( Societe Anonyme)
Teskin Fred
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