Product comprising ionomer and plasticizer

Details Product comprising ionomer and plasticizer Product comprising ionomer and plasticizer

2007-08-21

2010-12-28

Cain, Edward J (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C428S515000, C428S516000, C428S518000, C428S520000, C428S522000, C428S523000, C524S500000, C524S515000, C524S522000, C524S527000

Reexamination Certificate

active

07858681

ABSTRACT:
A product comprises or is produced from a substrate and optionally a thermal insulation wherein the substrate comprises or is produced from polyvinyl chloride and a liquid plasticizer; the substrate, the insulation material, or both is coated, laminated, coextruded, or applied with a barrier layer comprising an ionomer; and the substrate is in close proximity to the insulation material. Also disclosed is a process that can be used to prevent liquid plasticizer from migrating out of polyvinyl chloride product wherein the product is optionally in close proximity to a thermal insulation; the process comprises coating, laminating, coextruding, or applying a barrier layer disclosed above onto the surface, or a portion thereof, of the product or onto the insulation.

REFERENCES:
patent: 5089533 (1992-02-01), Park
patent: 5861211 (1999-01-01), Thakkar et al.
patent: 2003/0229160 (2003-12-01), Williams
patent: 2007/0021566 (2007-01-01), Tse
patent: 62122753 (1987-06-01), None
patent: 2004216773 (2004-08-01), None
patent: 02090113 (2002-11-01), None
PCT International Search Report for International Application No. PCT/US2008/073414 dated Nov. 26, 2008.

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