Appeal No. 2004-1062 Application No. 08/448,019 esters of Zwiener. As properly noted by the examiner, it is a matter of obviousness for one of ordinary skill in the art to combine the components taught by the prior art to be useful for the same purpose. In re Kerkhoven, 626 F.2d 846, 850, 205 USPQ 1069, 1072 (CCPA 1980). The examiner also appreciates that neither Aoki nor Zwiener teaches the specific claimed isocyanate functional urethane. However, appellant does not take issue with the examiner’s legal conclusion that it would have been obvious for one of ordinary skill in the art to employ the specific isocyanate functional urethane of Druetzler in the coatings of Aoki and Zwiener for the purpose of obtaining flexible coatings (see page 7 of answer). Appellant contends that “the Examiner has ignored the fact that Aoki discloses a moisture curable coating composition in which there is an excess of free isocyanate groups to react with atmospheric moisture after the coating composition is applied to the object to be coated” (page 5 of principal brief, first paragraph). However, we, like the examiner, do not understand the relevancy of this argument inasmuch as appellant has failed to explain how Aoki’s teaching of a moisture curable compo- 4Page: Previous 1 2 3 4 5 6 7 8 9 10 NextLast modified: November 3, 2007