Appeal No. 95-2179 Application No. 07/994,536 (about 40 percent by weight of blended glycerin polyacrylate clathrate recited in claim 1; about 40 percent by weight of blended glycerin polyacrylate recited in claim 7; and 40 percent by weight of blended glycerin polyacrylate clathrate recited in claim 12). In this appeal, the examiner has not accounted for that difference and cannot do so merely by referring to "optimization." The examiner has not established that the cited prior art provides guidelines or direction which would have led a person having ordinary skill to the claimed subject matter, including the amount of blended glycerin polyacrylate clathrate or blended glycerin polyacrylate. For this reason too, we reverse the rejection under 35 U.S.C. § 103. Cf. In re Sebek, 465 F.2d 904, 907, 175 USPQ 93, 95 (CCPA 1972) (while it may ordinarily be the case that the determination of optimum values for the parameters of a prior art process would be at least prima facie obvious, that conclusion depends on what the prior art discloses with respect to those parameters. Where the prior art disclosure suggests the outer limits of the range of suitable values, and that the optimum resides within that -5-Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 NextLast modified: November 3, 2007