Appeal No. 1997-2270 Application 08/294,214 state (specification, pages 1 and 4), is useful as an intermediate in the synthesis of compounds and as an indicator of hydrogen ion concentration. Claim 1 is illustrative and reads as follows: 1. A bisphenol compound of the following formula: where each R is a lower alkyl group, tetrahydropyranyl, methoxymethyl or trialkylsilyl group, and each of the benzene rings in the formula are optionally substituted by a lower alkyl group. THE REFERENCES Fukui et al. (JP ‘473) 02-311473 Dec. 27,1 1990 (Japanese Kokai) 1 Our consideration of this reference is based upon an English translation thereof, a copy of which is provided to appellants with this decision. 2Page: Previous 1 2 3 4 5 6 7 8 NextLast modified: November 3, 2007