Appeal No. 1997-0523
Application 08/082,576
come up with the specific mixtures of various phosphors
claimed in these claims. The Examiner attempts to make a case
for combining the teachings of Yang and Sugawara in his
response to the Appellants’ arguments [answer, pages 8 to 10].
For example, the Examiner relies on Table 1 of Yang for the
teaching of removing LaOCl:Tb from the mixture composition of
Yang itself because Table 1 shows LaOCl:Tb having poor
characteristics of color tone and temperature. We are not
convinced that Yang so teaches, especially when Yang states
that “30 to 50 weight percent of LaOCl:Tb” is optimal [id.,
col. 4]. Furthermore, Yang does not
show any sample among the mixtures formed by Yang in Table 2
to be without LaOCl:Tb.
Regarding the addition of Y SiO :Tb to the composition of
2 5
Yang to achieve the claimed composition, the Examiner asserts
6
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