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
2006-07-20
2010-06-01
Choi, Ling-Siu (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...
C426S271000
Reexamination Certificate
active
07728070
ABSTRACT:
A method of producing cross-linked polymerisation hardened droplets in a continuous aqueous medium in a microchannel device is provided. At least two aqueous streams are brought together before entering a hydrophobic phase and thus forming droplets. One aqueous phase comprises an acid source and another comprises a metal ion salt. The slow release of metal ions slows down the rate of polymerisation so that it does not interfere with the droplet formation process.
REFERENCES:
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Sugiura et al., JAOCS 79, 515-519 (May 2002).
Aronson Michael P.
Choi Ling-Siu
Conopco Inc.
Wright Sonya
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