(under subclass 931) Temperature responsive sealing means wherein the sealing means changes its molecular structure or changes its phase (e.g., by polymerizing, volatilizing, intumescing, fusing, melting, freezing, etc.) from one condition (i.e., a solid, liquid, or gas) to another.
SEE OR SEARCH CLASS
252, Compositions;
72, for a composition that contains an agent for stopping or reducing a leak in a container; or subclass 378 for a process of intumescing vermiculite, other micaceous substances or other materials, or a product of such a process not provided for elsewhere.
523, Synthetic Resins or Natural Rubbers,
179, for a process of preparing a desired or intentional composition of at least one solid polymer or specified intermediate condensation product, or product thereof having utility as an ablative or an intumescent coating composition is claimed or solely disclosed, or to processes or preparation thereof.
