(under subclass 77) Subject matter where in addition to an infusible material, another material is soluble or dispensable in the infusion liquid and is a part of the infusor as in the case of a mixture of materials, a soluble coating on the infusor, or absorted soluble material on the bag portion of a tea bag.
(1) Note. A mixture of dried soluble instant coffee and coffee in normal beverage form is subject matter for this subclass.