Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Optical fiber – waveguide – or preform
Patent
1994-12-08
1997-09-23
Vargot, Mathieu D.
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Optical fiber, waveguide, or preform
128637, 264 26, 264232, 26427211, 422 681, 4271632, B29D 1100
Patent
active
056700970
ABSTRACT:
The present invention provides a shaped permeable polymeric material including a hydrophobic portion and a hydrophilic portion, wherein the material is crosslinked. This material is prepared by a method including the steps preparing a crosslinkable composition having a hydrophobic portion and a hydrophilic portion; placing the crosslinkable composition in a mold; gelling the crosslinkable composition to form a shaped gelled polymeric composition comprising a hydrophobic portion, a hydrophilic portion, and a liquid portion; and exchanging the liquid portion with an exchange liquid to form the permeable polymeric material. Preferably this material is used in a blood gas sensor.
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Duan Daniel C.
Fogarty Terence M.
Howard, Jr. William L.
Schaberg Mark S.
Wood Kenneth B.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Ubel F. Andrew
Vargot Mathieu D.
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