Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent
1997-02-25
1998-11-03
Nutter, Nathan M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
536 32, 536 38, C08B 1506
Patent
active
058310762
ABSTRACT:
The invention comprises a process for producing cellulose carbamate with improved solubility properties comprising converting cellulose with urea in an inert, liquid, organic reaction carrier, at reaction temperature in the range of 80.degree. to 180.degree. C. where the reaction temperature is increased as the reaction time increases.
REFERENCES:
patent: 5378827 (1995-01-01), Keunecke et al.
Nutter Nathan M.
Zimmer Aktiengesellschaft
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