Appeal No. 2001-0676 Application No. 08/941,132 The claimed subject matter is directed to two different embodiments. See, e.g., claims 9 and 10. The first embodiment defined by claim 9 is directed to a process for producing a graft copolymerized natural rubber, wherein natural rubber is initially deproteinized and then is graft-copolymerized. The second embodiment defined by claim 10 is directed to a process for producing an epoxidized natural rubber, wherein natural rubber is initially deproteinized and then is epoxidized. Under Section 103, the obviousness of an invention cannot be established by combining the teachings of the cited prior art absent some teaching, suggestion or incentive supporting the combination. See ACS Hospital Systems, Inc. v. Montefiore Hospital, 732 F.2d 1572, 1577, 221 USPQ 929, 933 (Fed. Cir. 1984). This does not mean that the cited prior art references must specifically suggest making the combination. See B.F. Goodrich Co. V. Aircraft Braking Systems Corp., 72 F.3d 1577, 1582, 37 USPQ2d 1314, 1318 (Fed. Cir. 1996); In re Nilssen, 851 F.2d 1401, 1403, 7 USPQ2d 1500, 1502 (Fed. Cir. 1988). Rather, the test for obvious- ness is what the combined teachings of the references would have suggested to those of ordinary skill in the art. In re Young, 927 F.2d 588, 591, 18 USPQ2d 1089, 1091 (Fed. Cir. 1991); In re Keller, 642 F.2d 413, 425, 208 USPQ 871, 881 (CCPA 1981). 3Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 NextLast modified: November 3, 2007