Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2005-04-05
2005-04-05
Pezzuto, Helen L. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S260000, C525S263000, C525S283000, C525S296000, C525S302000, C525S303000, C525S308000
Reexamination Certificate
active
06875817
ABSTRACT:
Separation of a variety of analytes that are polar, nonpolar and ionic using functionalized polymeric media is disclosed. Preformed rigid particles of highly crosslinked homopolymer of polyvinylidene compounds are functionalize using the residual vinyl groups onto which monovinyl compounds are covalently bonded through polymerization. The functionalization imparts desirable surface properties for separation applications such as liquid chromatography and solid phase extraction.
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Bouis Paul A.
Deorkar Nandkumar V.
Farina James
Mallinckrodt Inc.
Pezzuto Helen L.
Rabman Christine M.
Rauchfuss, Jr. George W.
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