Appeal No. 1997-0699 Page 2
Application No. 08/217,659
particle size range of 65-800 microns and are bound together
with a binder consisting essentially of polypropylene glycol
having a molecular weight selected to be within a specified
range. According to appellants, their granulated composition
may be handled without substantially any irritant dust
formation and readily dissolved in hydrogen peroxide
(specification, pages 3 and 4). A further understanding of
the subject matter at issue in this appeal may be derived by a
review of appealed claims 21 and 33, which are reproduced
below.
21. A granulated composition for bleaching
hair comprising granules of a pulverulent
material comprising a member selected from the
group consisting of sodium persulfate, potassium
persulphate, ammonium persulfate, sodium
perborate, potassium perborate, ammonium
perborate, barium peroxide, strontium peroxide
and mixtures thereof, said granules having a
particle size ranging from 65 Fm to 800 Fm and
being bound together with a binder consisting
essentially of polypropylene glycol having a
molecular weight ranging from 200 to 10,000,
said binder being present in said composition in
an amount not exceeding 25 percent by weight
based on the total weight of said composition.
33. A process for preparing a
granulated composition for bleaching hair
comprising granules of a pulverulent
material comprising a member selected from
the group consisting of sodium persulfate,
Page: Previous 1 2 3 4 5 6 7 8 9 Next
Last modified: November 3, 2007