Appeal No. 1998-1176 Application No. 08/553,072 19. A UV light absorber composition for improving the lightfastness of dyed synthetic textiles, consisting essentially of: (a) 5-25% by weight of a substituted benzotriazole UV light absorbing agent; and (b) 75-95% by weight of a miscible organic solvent suitable for dissolving said benzotriazole, wherein said benzotriazole is applied to the textiles in a concentration sufficient to result in an add-on in the range of between 0.4- 4.0% by weight of the textiles when dry and optionally a surfactant, an additional light stabilizer, antioxidant and a water immiscible solvent. The examiner has relied upon the following references in support of the rejections: Kintopf et al. (Kintopf) 4,230,867 Oct. 28, 1980 DesLauriers et al. (DesLauriers) 5,268,450 Dec. 7, 1993 All of the claims on appeal stand rejected under 35 U.S.C. § 112, ¶1, as being based on a specification which contains new matter (Answer, page 4). Claims 9, 19 and 22 stand rejected under 35 U.S.C. § 103 as unpatentable over Kintopf (Answer, page 5). Claims 10 and 19 stand rejected under 35 U.S.C. § 102(b) as anticipated by Deslauriers (Answer, page 6). We affirm the rejections based on prior art essentially for the reasons in the Answer but reverse the rejection under 4Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007