Process to make dispersions

Colloid systems and wetting agents; subcombinations thereof; pro – Continuous liquid or supercritical phase: colloid systems;... – Primarily organic continuous liquid phase

Reexamination Certificate

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Details

C366S158500, C516S053000, C516S925000, C524S588000, C524S601000, C524S612000

Reexamination Certificate

active

06951891

ABSTRACT:
The present invention relates to the production of dispersions and is particularly suitable for making dispersions with a viscous or solid dispersed phase in a continuous phase with a lower viscosity.

REFERENCES:
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patent: 5326484 (1994-07-01), Nakashima et al.
patent: 6103786 (2000-08-01), Hoch et al.
patent: 6165320 (2000-12-01), Bates et al.
patent: 38 18 453 (1989-12-01), None
patent: 765 896 (1997-04-01), None
CAPLUS accession No. 1991:457814 for Kandori., “Preparation of monodispersed W/O emulsions by Shirasu-porous-glass filter emulsification technique,” Colloids and Surfaces, vol. 55, 1991.
CAPLUS accession No. 1994:559749 for Ban et al., “Preparation of O/W emulsions on SPG membrane,” Nippon Kagaku Kaishi, vol. 8, 1994.
CAPLUS accession No. 2001:76199, Vladisavljevic et al., “Preparation of water-in-oil emulsions using microporous polypropylene hollow fibers: conditions for producing small uniform droplets,” Chemical Papers, vol. 54, No. 6a, 2000.
Chemical abstracts accession No. 1999:310310 for Kawakatsu et al., “Emulsion breakdown: mechanisms and development of multilayer membrane,” AlChe Journal, 1999, vol. 45, No. 5, abstract.
Suzuki et al., “Preparation of High Concentration O/W and W/O Emulsions by the Membrane Phase Inversion Emulsification Using PTFE Membranes,” Food Science Technology Research, 1999, vol. 5, No. 2, pp. 234-238.
Derwent Abstract No. 008092758 abstracting DE 38 18 453, Dec. 1989.

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