Appeal No. 2000-0132
Application No. 08/934,791
APPEALED SUBJECT MATTER
Claims 21, 22, and 54 are representative of the subject
matter on appeal and read as follows:1
21. In a chromatographic column used in the separation
of a chemical substance from a mixture containing the same,
the improvement comprising said column containing a carrier
having supported thereon a separating agent comprising a
cellulose derivative consisting of cellulose having an
aromatic substituent attached thereto through a urethane
group.
22. In a chromatographic column used in the separation
of a chemical substance from a mixture containing the same,
the improvement comprising said column containing a
separating agent in the form of beads and comprising a
cellulose derivative consisting of cellulose having an
aromatic substituent attached thereto through a urethane
group.
54. In a chromatographic column used in the separation
of a chemical substance from a mixture containing the same,
the improvement comprising said column containing a
separating agent comprising a ground cellulose derivative
having an aromatic substituent attached thereto through a
urethane group, said aromatic substituent being ring
substituted with a group selected from among an alkyl group,
an alkenyl group, an alkynyl group, a nitro group, a halogen
group, an amino group, an alkyl-substituted amino group, a
cyano group, a hydroxyl group, an alkoxy group, an acyl
group, a thiol group, a sulfonyl group, a carboxyl group and
an alkoxy carbonyl group.
1 The amendment which was submitted together with a response
dated Dec. 2, 1996 (Paper No. 17), was not clerically entered.
Upon return of this application, the examiner must ensure proper
entry of this amendment.
2
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