Support for solid-phase synthesis and process for producing...

Details Support for solid-phase synthesis and process for producing... Support for solid-phase synthesis and process for producing...

2011-01-18

2011-01-18

Bernshteyn, Michael M (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S285000, C526S341000, C526S346000, C428S036500, C428S327000, C428S404000, C521S030000

Reexamination Certificate

active

07872084

ABSTRACT:
The present invention relates to a support for solid-phase synthesis, which contains a porous copolymer particle, the copolymer particle containing 25 to 60% by weight of an aromatic-vinyl structural unit, 20 to 55% by weight of a vinyl cyamide structural unit, 5 to 18% by weight of an ethylenically-unsaturated-carboxylic-acid structural unit, and 2 to 15% by weight of an aromatic-divinyl structural unit. The support according to the invention fluctuates little in the degree of swelling depending on the kind of the organic solvent in contact therewith.

REFERENCES:
patent: 5910554 (1999-06-01), Kempe et al.
patent: 6492460 (2002-12-01), Haq et al.
patent: 58210914 (1983-12-01), None
patent: 5023193 (1993-02-01), None
patent: 5086132 (1993-04-01), None
Riqueza et al. “Modification of porous copolymer network based on acrylonitrile”, Polymer Bulletin 48, 407-414, 2002.

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