Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2005-01-11
2005-01-11
Niland, Patrick D. (Department: 1714)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S005000, C524S008000, C524S387000, C524S388000, C524S499000, C524S543000, C524S556000, C524S560000, C524S561000, C524S570000, C524S571000, C524S577000, C524S557000
Reexamination Certificate
active
06841595
ABSTRACT:
Process for the preparation of protective colloid-stabilized, emulsifier-free, aqueous dispersions based on at least two monomers selected from vinylaromatics, 1,3-dienes and/or (meth)acrylates, in the presence of assistants and, if required, further comonomers in an amount of from 0.1% by weight to 20% by weight, based on the total amount of monomers, wherein at least 10% by weight of the total amount of water are added to the reaction vessel only after the monomers have been added to the reaction vessel and the conversion is at least 40%, based on 100% of the monomers.
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U.S. Appl. No. 10/187,851, filed Jul. 3, 2002, Brizzolara, et al.
U.S. Appl. No. 10/366,311, filed Feb. 14, 2003, Brizzolara et al.
Brizzolara Davide
Vorholt Herbert
Niland Patrick D.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
PolymerLatex GmbH & Co. KG
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