Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-12-07
1995-04-04
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
527300, 527312, 527313, 527314, 536103, 528 15, 528 25, 528 26, 528 28, 528 29, 528 30, 528 31, C08F28300
Patent
active
054038987
ABSTRACT:
Cyclodextrin containing polymeric siloxanes wherein the cyclodextrin is connected to the polymeric siloxane by a single linking member connected to the 2, 3 or 6-position of the cyclodextrin are disclosed. These polymers are chemically and thermally stable to gas, supercritical fluid chromatographic conditions. The single arm attachment provides cyclodextrin containing polysiloxane polymers having synthesis reproducibility from batch to batch resulting in consistent chromatographic performance of the resulting chiral phases. The use of such polymers as chiral stationary phases in analytical and preparative gas, supercritical fluid and liquid chromatographic separations, and particularly for analysis of enantiomeric and other stereoisomeric mixtures of various substances is shown.
REFERENCES:
patent: 5248675 (1993-09-01), Kurita et al.
patent: 5262404 (1993-11-01), Weisz et al.
patent: 5268442 (1993-12-01), Bradshaw et al.
Bradshaw Jerald S.
Lee Milton L.
Rossiter Bryant E.
Brigham Young University
Marquis Melvyn I.
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