Appeal No. 2000-1078
Application No. 08/836,009
organosilicon compounds. This appealed subject matter is
adequately illustrated by independent claim 1 which reads as
follows:
1. A process for producing pulp from fibrous materials,
wherein the fibrous materials are reacted with a chemical
digesting solution in the presence of organosilicon
compounds which are selected from organo-polysiloxane
compounds comprising units of the general formulae (I) to
(VII)
R3SiO1/2 (I),
R2SiO (II),
RSiO3/2 (III),
SiO4/2 (IV),
R2RNSiO1/2 (V),
RRNSiO (VI),
RNSiO3/2 (VII),
where
R is a monovalent hydrocarbon radical having from 1 to
18 carbon atoms,
RN is a monovalent radical of the general formulae (VIII),
(IX), (X) or (XI)
-R1-[O(CR2)a]bOR3 (VIII),
-(R1-)CC-[O(CR2)a]bOR3 (IX),
2
HC-[O(CR2)a]bOR3
-R1-[O(CR2)a]bZ (X),
-R1-[NR2(CH2)a]dNHR2 (XI),
2
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