C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 3/09 (2006.01) B01D 1/22 (2006.01) C08B 1/00 (2006.01) D01F 2/00 (2006.01) D01F 2/08 (2006.01)
Patent
CA 2142620
2142620 9406530 PCTABS00030 A solution of cellulose is formed by moving a premix of a tertiary amine N-oxide, water and cellulose through a thin-film evaporator using a bladed rotor under treatment conditions which specify, an area of heated surface (1m2 to 1252), a circumferential spacing between blade tips (65 to 175 mm), a rotational speed of the blade tips (less than 8 m/sec.), a pressure (25 to 100 mb) and a temperature (90 ·C to 135 ·C).
Naef Rainer Felix
Quigley Michael Colin
Buss Ag
Courtaulds Fibres (holdings) Limited
Ridout & Maybee Llp
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