Appeal No. 1998-3281
Application 08/650,500
different from the conventional, art-recognized definition.
Beachcombers, Int. v. WildWoode Creative Products, Inc. 31 F.3d
1154, 1158, 31 USPQ2d 1653 (Fed. Cir. 1994); ZMI Corp. v. Cardiac
Resuscitator Corp., 844 F.2d 1576, 1579, 6 USPQ2d 1557, 1560
(Fed. Cir. 1988); Envirotech Corp. v. Al George, Inc., 730 F.2d
753, 759, 221 USPQ 473, 477 (Fed. Cir. 1984). As we have
concluded above, appellant has certainly set forth the meaning
they intend for their claim language at least with respect to
polymer (b).
Appellant discloses that useful polymers for his ink
composition include the "comb polymers" described on page 17,
line 3 through page 23, line 5. Thus, the polymers bear both a
hydrophobic and a hydrophilic moiety on the polymer backbone and
the substituents need not be bonded to the same carbon on the
backbone (page 17, lines 23-24). Exemplary hydrophobic moieties
are hydrocarbons containing from 6 to about 22 carbon atoms
bonded in a linear chain (page 17, lines 14 through 17).
Exemplary hydrophilic moieties include moieties with at least
about 9 atoms bonded in a linear chain (page 17, lines 18 through
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