Appeal No. 96-3172
Application No. 08/328,335
The subject matter on appeal is directed to a process
of regenerating wastepaper containing printing ink.
Appellants acknowledge that claims 9 to 12 and 14 stand
or fall together. Independent claim 9 reads as follows:
9. The process of regenerating wastepaper containing
printing ink comprising the steps of;
(1) fiberizing said wastepaper in an aqueous alkaline
deinking [sic, de-inking] solution containing no foam inhibitors
and a deinking [sic] effective quantity of a deinking [sic] agent
consisting of (a) a C -C carboxylic acid or resinic acid and (b)
6 22
a C -C oxoalcohol alkoxylated with from about 2 to less than 6
6 22
moles of a C -C alkylene oxide to detach ink particles from said
2 4
wastepaper, and (2)removing the detached ink particles from the
deinking [sic] solution.
The references relied upon by the Examiner are:
Wood et al. (Wood 0933) 4,561,933 Dec. 31, 1985
Poppel et al. (Poppel) 4,586,982 May 6, 1986
Wood et al. (Wood 0558) 4,666,558 May 19, 1987
Togashi et al. (Togashi) 59-30978 Feb. 18, 1984
(Japan Application)
(Japan 30978)
Claims 9 to 12 and 14 stand rejected under 35 U.S.C.
§ 103 as being unpatentable over Japan 30978 or Poppel in view
of Wood '933, further if necessary with Wood '558.
We cannot sustain this rejection.
2
Page: Previous 1 2 3 4 5 6 Next
Last modified: November 3, 2007