Appeal No. 1998-2642 Application No. 08/697,339 powder coating of particulate pharmaceutical tablet cores and teaches the disadvantages of the prior art liquid coating (col. 1, ll. 4-8; ll. 52-61). The examiner has not provided any convincing reasons or evidence why one of ordinary skill in the art would have used the prior art liquid coating, as disclosed by Staniforth, instead of the dry powder coating advanced by Staniforth as an improved process. The examiner’s only reasoning is that “page 1, liens 22-24 Staniforth et al [sic, col. 1, lines 22-24, of Staniforth] discloses that liquid and dry powder application is part of the prior art.” Answer, page 4. Even assuming arguendo that there was some convincing reason for substituting the prior art liquid coating process disclosed by Staniforth in the dry powder process, the limitations of claim 12 on appeal would not have been disclosed or taught by the reference. The examiner has mischaracterized col. 1, ll. 22-24, of Staniforth, as being directed to liquid or dry powder coating applications but Staniforth actually discloses various past proposals for electrostatically coating tablets with a liquid or dry powder (see col. 1, ll. 22-24). The process of claim 12 on appeal 6Page: Previous 1 2 3 4 5 6 7 8 9 10 NextLast modified: November 3, 2007