C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 15/04 (2006.01) D06M 11/64 (2006.01) D06M 23/10 (2006.01)
Patent
CA 2057980
A process for oxidizing cellulose involves reacting the cellulose with a solution of nitrogen dioxide in a perfluorocarbon solvent. In preferred embodiments, the solvent has a boiling point in the range between about 30°C and 100°C, the nitrogen dioxide concentration in the solution is in the range between about 2% and 12% by weight, and the reactants are maintained at a temperature between about 25°C and 60°C during a reaction time of at least about 7 hours.
Boardman Franklin
Saferstein Lowell
Johnson & Johnson Medical Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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