Method for preparation of penta-block copolymers with...

Details Method for preparation of penta-block copolymers with... Method for preparation of penta-block copolymers with...

2008-08-11

2011-10-11

Zemel, Irina S (Department: 1765)

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

Synthetic resins

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

C525S245000, C525S302000, C525S303000, C525S309000

Reexamination Certificate

active

08034879

ABSTRACT:
The invention relates to a process for preparing CABAC or ACBCA pentablock copolymers based on (meth)acrylate with an OH functionalization of the A blocks.

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patent: 2008/0207817 (2008-08-01), El Bounia
patent: 2008/0262176 (2008-10-01), Loehden et al.
patent: 2009/0062508 (2009-03-01), Balk et al.
patent: 2009/0275707 (2009-11-01), Balk et al.
patent: 2009/0312498 (2009-12-01), Balk et al.
patent: 2009/0326163 (2009-12-01), Balk et al.
patent: 2010/0010178 (2010-01-01), Balk et al.
patent: 1 475 397 (2004-11-01), None
patent: 2006 106214 (2006-10-01), None
Xu, Fu-Jian et al., “Pentablock Copolymers of Poly(Ethylene Glycol), Poly (2-Dimethyl Amino)Ethyl Methacrylate) and Poly(2-Hydroxyethyl Methacrylate) From Consecutive Atom Transfer Radical Polymerizations for Non-Viral Gene Delivery”, Biomaterials, vol. 29, pp. 3023-3033 (Jul. 1, 2008) XP022647944.
U.S. Appl. No. 12/301,903, filed Nov. 21, 2008, Balk, et al.
U.S. Appl. No. 12/440,244, filed Mar. 6, 2009, Balk, et al.

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