Process for the preparation of block copolymers

Details Process for the preparation of block copolymers Process for the preparation of block copolymers

2008-06-17

2008-06-17

Teskin, Fred M (Department: 1796)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S267000, C525S273000, C525S299000, C526S204000

Reexamination Certificate

active

07388052

ABSTRACT:
Process for the preparation of block copolymers, based on vinylaromatic monomers and monomers deriving from (meth)acrylic acid by means of radicalic polymerization which comprises polymerizing the monomers at a temperature higher than or equal to 120° C., in the presence of a radicalic initiating system comprising a compound having general Formula (I)

REFERENCES:
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patent: 6353065 (2002-03-01), Charleux et al.
patent: 6369162 (2002-04-01), Visger et al.
patent: 2002/0010267 (2002-01-01), Klaerner et al.
patent: 2422058 (2002-03-01), None
patent: 0 869 137 (1998-10-01), None
patent: 0 887 362 (1998-12-01), None
U.S. Appl. No. 10/518,550, filed Jan. 3, 2005, Po, et al.
U.S. Appl. No. 08/644,578, filed May 10, 1996, Occhiello, et al.

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