Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Reexamination Certificate
2007-05-22
2007-05-22
Lorengo, J. A. (Department: 1755)
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
C106S419000, C106S425000, C106S429000, C106S432000, C106S442000, C106S443000, C106S447000, C106S450000, C106S452000, C106S453000, C106S455000, C106S456000, C106S460000, C106S461000, C106S471000, C106S479000, C106S480000, C106S482000, C106S491000, C106S499000, C424S059000
Reexamination Certificate
active
11266214
ABSTRACT:
A particulate metal oxide having the mean length of the primary particles in the range from 50 to 90 nm, the mean width of the primary particles in the range from 5 to 20 nm, and the median volume particle diameter of the secondary particles is less than 45 nm. The metal oxide can be used in a sunscreen product that exhibits both effective UV protection and improved transparency.
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Cutter Susan
Dransfield Graham Paul
Lyth Phillip Lawrence
Croda International PLC
Hailey Patricia L.
Jones Day
Lorengo J. A.
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