MAYER, Circuit Judge.
Ronald D. Schoenwald and Charles F. Barfknecht appeal from a decision of the Patent and Trademark Office Board of Patent Appeals and Interferences which affirmed the rejection of Claim 9 of Patent Application No. 257,826 for anticipation. Appeal No. 89-3349 (Dec. 17, 1990). We affirm.
Background
The application was filed on October 14, 1988, and claimed compounds which are used in ophthalmic compositions to treat dry...
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