Appeal No. 2001-0600
Application No. 08/584,776
1. $ modification of the dye of the formula I
(I)
having an X-ray diffraction pattern (Cu K", radiation) containing
lines at the following diffraction angles 22(º):
high intensity lines: 7.15, 10.25, 25.9,
medium-intensity lines: 16.9, 19.5, 20.1
21.85, 22.65, 23.4,
25.2, 28.5, 32.45.
2. A process for preparing the $ modification of the
dye of the formula I according to claim 1, comprising
heating the dye which is not present in the $ modifi-
cation in an aqueous phase at temperatures from about
70 to about 150ºC.
The references relied upon by the examiner are:
von Rambach et al. (Rambach) 3,956,270 May 11, 1976
Koller et al. (Koller) 4,327,999 May 04, 1982
Eugster et al. (Eugster) 4,329,144 May 11, 1982
Sommer et al. (Sommer) 4,460,375 Jul. 17, 1984
Hashimoto et al. (Hashimoto) 4,536,569 Aug. 20, 1985
Grounds of Rejection
1. Claim 1 stands rejected under 35 U.S.C. § 103 as
unpatentable over the admitted state of the art as recited on
page 1, lines 18-31 of the specification and further in view of
Rambach, Koller, Eugster, Sommer or Hashimoto.
2
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