Appeal No. 95-0222
Application 08/145,553
Claim 15 is representative of the subject matter on appeal
and reads as follows:
15. A composition comprising (i) from 30.0 to 97.8 percent
by weight of an alkylmethylsiloxane having the formula
in which the sum of the integers x and y is four, five, or six,
with the proviso that x and y cannot be zero; and z is an integer
having a value of one of twelve; (ii) from 0.2 to fifty percent
by weight of a cyclopolysiloxane having the formula [(CH ) SiO]
32 a
in which a is an integer having a value of three to ten; and
(iii) two to twenty percent by weight of a silicone gum selected
from the group consisting of silanol endblocked polydimethyl-
siloxane gums having the formula HO(CH ) SiO[(CH ) SiO] Si(CH ) OH,
32 3 2 n 32
and polydimethylsiloxane gums having the formula
(CH ) SiO[(CH ) SiO] Si(CH ) , in which n is an integer having a
3 3 32 n 3 3
value of from five thousand to fifty thousand.
The references of record relied upon by the examiner are:
Pader 4,364,837 Dec. 21, 1982
Bolich, Jr. et al. (Bolich) 4,902,499 Feb. 20, 1990
Cobb et al. (Cobb) 4,906,459 Mar. 6, 1990
Clement 5,118,507 June 2, 1992
Claims 15 through 34 stand rejected under 35 U.S.C. § 103 as
unpatentable over Cobb or Bolich in view of Clement and Pader.
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