Zeolite additive for rubber and plastic

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

Reexamination Certificate

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C521S122000, C521S123000, C524S444000, C524S436000, C524S437000, C524S438000, C524S450000, C524S492000, C524S571000

Reexamination Certificate



Composition comprising a rubber or plastic material and a zeolite. The composition may be foamed or not. The composition may absorb water or other chemicals, and has characteristics making it useful in the manufacture of a variety of products.

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