Application of Anthony L. Garnero

ALMOND, Judge.

Anthony L. Garnero appeals from a decision of the Board of Appeals affirming the examiner’s rejection of claims 2-12, all the claims in appellant’s application.1

The invention is a method of forming an insulating mat of expanded perlite, an inorganic siliceous material. When perlite is passed through a zone heated to a temperature such that the particles are in a “pyroplastic” state, combined water contained in the perlite particles is driven off. As a result, the particles expand and become porous. The porous particles still in the pyroplastic state are collected on an endless…