Appeal No. 1997-1515 Application 08/361,891 from appellant’s specification and not from the reference and, therefore, is based upon impermissible hindsight. See W.L. Gore & Associates v. Garlock, Inc., 721 F.2d 1540, 1553, 220 USPQ 303, 312-13 (Fed. Cir. 1983), cert. denied, 469 U.S. 851 (1984); In re Rothermel, 276 F.2d 393, 396, 125 USPQ 328, 331 (CCPA 1960). The examiner (answer, pages 6 and 8) also relies upon the discussion of the prior art in Ahmed wherein bulk polymers are pulverized into particles which are dispersed in a liquid (col. 2, lines 43-48). The examiner does not explain, however, and it is not apparent, why this disclosure would have fairly suggested, to one of ordinary skill in the art, substituting separation and dispersion for the dilution in Ahmed’s process. In response to appellant’s argument (reply brief, page 4) that Ahmed’s particles are doped with water, the examiner argues that the “comprising” transition term of appellants’ claim 49 opens the claim to unspecified components such as water (supplemental answer, page 2). Ahmed teaches that the water -9-9Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 NextLast modified: November 3, 2007