0.05-20 parts by weight of a squarylium dye; and
0.1-20 parts by weight of N,N-dialkylaniline sensitizer selected from the group
consisting of N,N-dimethylaniline, N,N-diethylaniline, N,N,2,4,6-pentamethylaniline, 2,6-
diethyl-N,N-dimethylaniline, 2,6-diisopropyl-N,N-dimethylaniline,
p-t-butyl-N,N-dimethylaniline, 4,4-methylenebis-N,N-dimethylaniline,
4-bromo-N,N-dimethylaniline, 4-chloro-N,N-dimethylaniline,
3-chloro-N,N-dimethylaniline, 4-fluoro-N,N-dimethylaniline, N,N-dimethyl-p-toluidine,
N,N-dimethyl-p-phenylenediamine, N,N-dimethyl-m-phenylenediamine, and
4-dimethylaminoazobenzene.
THE REFERENCES OF RECORD
As evidence of obviousness, the examiner relies upon the following references.
Adair 4,874,685 Oct. 17, 1989
Imahashi et al. (Imahashi) 4,987,056 Jan. 22, 1991
Ali 4,988,607 Jan. 29, 1991
Okuhara et al. (Okuhara) 5,102,775 Apr. 7, 1992
Smothers et al. (Smothers) 5,147,758 Sep. 15, 1992
Nagasaka et al. (Nagasaka) 5,219,709 Jun. 15, 1993
(filed Feb. 26, 1992)
Kosar, “Light-Sensitive Systems: Chemistry and Application of Nonsilver Halide
Photographic Processes,” John Wiley & Sons, Inc., p. 145, 1965.
THE REJECTIONS
Claims 1, 2, and 8 stand rejected under 35 U.S.C. § 103 as being unpatentable
over Ali in view of Nagasaka and Adair with either Okuhara or Imahashi.
Claim 6 stands rejected under 35 U.S.C. § 103 as being unpatentable over Ali in
view of Nagasaka and Adair with either of Okuhara or Imahashi as applied to claims 1,
2, and 8 and further in view of Nagasaka or Smothers.
Claims 9, 10, 13, and 14 stand rejected under 35 U.S.C. § 103 as being
unpatentable over Ali in view of Nagasaka and Adair with either of Okuhara or Imahashi
and further in view of Smothers.
OPINION
2
Page: Previous 1 2 3 4 5 6 7 8 9 Next
Last modified: November 3, 2007