Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2003-09-23
2009-08-11
Cain, Edward J (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
Reexamination Certificate
active
07572846
ABSTRACT:
Vesiculated polymer particles and a method of manufacture thereof, are suitable for the beneficial replacement of titanium dioxide pigments and extenders amongst others, and have improved opacity, whiteness, scrub resistance and water resistance due. The manufacturing process exhibits effective control of particle size and particle size distribution.
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patent: 0 307 139 (1989-03-01), None
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patent: WO 81 01711 (1981-06-01), None
Cooray Boyd
De Wet-Roos Deon
Engelbrecht John Francis
Smit Albertus Christiaan
Cain Edward J
Freeworld Coatings Capital
Young & Thompson
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