Appeal No. 96-2797
Application No. 08/432,474
The subject matter on appeal relates to the reactivation
of deactivated noble metal or noble metal oxide coated anodes.
The reactivation is accomplished by electrolessly or
electrolytically depositing a coating of a noble metal
directly over the existing coating on the deactivated anode.
Claims 1 and 8 are representative and are reproduced below:
1. A method of reactivating a deactivated anode which
comprises a substrate having thereon an anode coating of noble
metal or noble metal oxide, comprising electrolessly or
electrolytically depositing on said anode coating a
reactivating coating of a noble metal selected from the group
consisting of platinum, palladium, iridium, rhodium,
ruthenium, osmium, and mixtures thereof.
8. A method according to Claim 1 wherein said
reactivating coating is deposited on said anode without
removing said anode from the cell in which it was used.
The references of record relied upon by the examiner are:
de Nora et al. (de Nora) 3,684,543 Aug.
15, 1972
Fabian et al. (Fabian) 4,088,558 May 9,
1978
Beer 3,711,385 Jan.
16, 1973
The appealed claims stand rejected under 35 U.S.C. §
102(b) or 35 U.S.C. § 103 as anticipated by or obvious over
Fabian in view of Beer and de Nora.
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