Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2010-10-21
2011-11-08
Bernshteyn, Michael M (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S425000, C524S447000, C524S451000, C524S533000, C524S558000, C526S213000, C526S222000, C526S317100, C526S319000, C526S303100, C522S180000, C522S184000
Reexamination Certificate
active
08053497
ABSTRACT:
The invention concerns the polymers obtained by the use of sulfur compounds in a process for controlled radical polymerization in water of acrylic acid and/or acrylic acid with hydrosoluble monomers. It concerns also their uses as dispersant agents or agents to aid grinding and/or co-grinding of mineral matters in aqueous suspensions, and as dispersant agents incorporated directly in aqueous formulations containing mineral matters. Finally, the invention concerns the formulations of mineral matters obtained in this manner.
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Mayadunne, Roshan T. A. et al.,“Living Polymers by the Use of Trithiocarbonates as Reversible Addition-Fragmentation Chain Transfer (RAFT) Agents: ABA Triblock Copolymers by Radical Plymerization in Two Steps”, Macromolecules 2000, vol. 33, No. 2, pp. 243-245, 2000.
Lai, John T. et al.,“Functional Polymers from Novel Carboxyl-Terminated Trithiocarbonates as Highly Efficient RAFT Agents”, Macromolecules 2002, vol. 35, No. 18, pp. 6754-6756, 2002.
International Search Report mailed Jul. 11, 2005, in PCT/FR2005/000703, filed Mar. 23, 2005.
Jacquemet Christian
Suau Jean-Marc
Bernshteyn Michael M
Coatex S.A.S.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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