Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-08-16
1994-12-06
Dean, Ralph H.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525293, 525299, 525301, 525303, 526279, C08F27102, C08F27500, C08F29300
Patent
active
053711475
ABSTRACT:
The present invention relates to novel preformed silicone-containing acrylic copolymers including silicone-containing acrylic star polymers, graft copolymers and macromonomers. Described are linear diblock macromomomers, graft copolymers and star polymers comprising a substantially hydrophilic block or block and a substantially hydrophobic, permeable block or block, said hydrophilic block preferably comprising at least about 25% by weight of a hydrophilic acrylic-type monomer and said hydrophobic, permeable block comprising at least about 50% by weight of at least one or more polysiloxanylalkylesters of an alpha, beta unsaturated acid.
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Anton Waifong L.
Coleman Henry D.
Spinelli Harry J.
Coleman Henry D.
Dean Ralph H.
Permeable Technologies, Inc.
Sudol R. Neil
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