Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Reexamination Certificate
2006-09-05
2006-09-05
Lorengo, J. A. (Department: 1755)
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
C106S442000, C106S447000, C106S482000, C106S499000, C424S059000
Reexamination Certificate
active
07101427
ABSTRACT:
A particulate metal oxide having a 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 Philip Laurence
Imperial Chemical Industries plc
Lorengo J. A.
Manlove Shalie A.
Mayer Brown Rowe & Maw LLP
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