C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 65/20 (2006.01) C08G 18/00 (2006.01) C08G 18/48 (2006.01) C08G 65/18 (2006.01) C08G 65/22 (2006.01) D01F 6/70 (2006.01)
Patent
CA 2472418
A copolymer with recurring constituent units derived by polymerizing tetrahydrofuran, ethylene oxide and at least one additional cyclic ether that can be substituted or unsubstituted that decreases the hydrophilicity imparted to the copolymer by the ethylene oxide.
L'invention concerne un copolymère comprenant des unités constituantes périodiques dérivées par polymérisation d'un tétrahydrofurane, de l'oxyde d'éthylène et d'au moins un éther cyclique supplémentaire qui peut être substitué ou non substitué et qui diminue l'hydrophilie conférée au copolymère par l'oxyde d'éthylène.
Lodoen Gary Arthur
Palmer Charles Francis Jr.
Pruckmayr Gerfried
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
Invista Technologies S.a.r.l.
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