(under subclass 426) Product in which the layer adjacent the quartz or glass contains a polyamide* or polyimide*.
(1) Note. This subclass provides for placement of patents claiming glass glued to other surfaces or adhered directly to nylon* or protein*, e.g., a gelatin* layer.
(2) Note. Urea-aldehyde is not considered polyamide for purposes of classification is this schedule and patents
claiming glass-to-urea-aldehyde laminates are placed in subclass 436.
SEE OR SEARCH THIS CLASS, SUBCLASS:
436, for quartz or glass next to a layer containing a urea-aldehyde condensation* product; and see (2) Note above.
