(under subclass 411.1) Product in which one layer contains a resin produced by polymerization of an epoxide (e.g., vic-alkylene oxide or epichlorohydrin) with a dihydric
compound.
(1) Note. Epoxy resins are usually thermosetting characterized by good adhesiveness, resistance to chemicals and are generally made from a diphenol, as bis phenol A.
(2) Note. A patent in which a layer of a laminate is disclosed as an "epoxy", "Araldite", "Epon" or the glycidyl ether of bis phenol A will be placed in this or an indented subclass.
SEE OR SEARCH CLASS
156, Adhesive Bonding and Miscellaneous Chemical Manufacture,
60+, for a process of laminating using an epoxy resin as adhesive; and especially subclass 330. 520, Synthetic Resins or Natural Rubbers, appropriate subclasses for an epoxy resin or natural rubber, per se, or for an epoxy resin containing composition.
