Colloid systems and wetting agents; subcombinations thereof; pro – Continuous liquid or supercritical phase: colloid systems;... – Aqueous continuous liquid phase and discontinuous phase...
Reexamination Certificate
2004-06-28
2010-10-05
Choi, Ling-Siu (Department: 1796)
Colloid systems and wetting agents; subcombinations thereof; pro
Continuous liquid or supercritical phase: colloid systems;...
Aqueous continuous liquid phase and discontinuous phase...
C516S077000, C516S078000
Reexamination Certificate
active
07807724
ABSTRACT:
The invention provides colloidal dispersions of calcium phosphate platelets comprising at least one polymer which complexes the calcium and in which the length of the platelets, L, is between 5 and 500 nm and in which the thickness of the platelets is between 0.5 and 20 nm.Another subject-matter of the invention is the calcium phosphate platelets obtained by drying the colloidal dispersion according to the invention.The invention also provides a process for preparing these colloidal dispersions of calcium phosphate platelets according to the invention.Finally, another subject-matter of the invention is the use of the abovementioned colloidal dispersions of platelets as food additive, reinforcing filler, thermal insulation filler, pharmaceutical excipient, polishing agent, building materials, additive for oral formulations, in particular dentifrices, or encapsulating agent.
REFERENCES:
patent: 4603006 (1986-07-01), Sikes et al.
patent: 4721615 (1988-01-01), Griffith et al.
patent: 5051401 (1991-09-01), Sikes
patent: 5427754 (1995-06-01), Nagata et al.
patent: 5782971 (1998-07-01), Constantz et al.
patent: 6159437 (2000-12-01), Itoi et al.
patent: 7247288 (2007-07-01), Kumta et al.
patent: 2000128513 (2000-05-01), None
Fujishiro et al., “Coating of Hydroxyapatite on Titanium Plates Using Thermal Dissociation of Calcium-EDTA Chelate Complex in Phosphate Solutions Under Hydrothermal Conditions”, Journal of Colloid and Interface Science 173, 119-127 (1995).
International Search Report for WO2005/002720 A3.
Choi Ling-Siu
Innophos, ,Inc.
McCarter & English LLP
Wang Chun-Cheng
LandOfFree
Colloidal dispersion of calcium phosphate tablets and method... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Colloidal dispersion of calcium phosphate tablets and method..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Colloidal dispersion of calcium phosphate tablets and method... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4212386