Appeal No. 1996-2566 Application No. 08/107,656 sustain this rejection of claims 19 and 21. In summary, with the exception of the grounds of rejection involving appealed claims 19 and 21, we do not sustain any of the examiner’s stated rejections of the appealed claims under the second paragraph of 35 U.S.C. § 112. THE REJECTIONS FOR OBVIOUSNESS With respect to the examiner’s stated rejections of the appealed claims under 35 U.S.C. § 103, appellants argue at page 16 of the brief that Critical limitations of the method of claim 12 which are not present in any of the methods described the cited prior art references are present in steps f) and g) of claim 12. In these steps a solution which is formed by dissolving solid basic aluminum chloride in aqueous sulfuric acid is heat-treated for 1 to 3 hours after the dissolving at temperatures of 40 to 70E C. 10Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 NextLast modified: November 3, 2007