FI112869B - Manufacture of cellulose carbamate used as alkaline solution in, e.g. manufacture of fibers and films, by reacting cellulose and urea in mixture containing cellulose, liquid, auxiliary agent and urea, and having specified liquid content - Google Patents
Manufacture of cellulose carbamate used as alkaline solution in, e.g. manufacture of fibers and films, by reacting cellulose and urea in mixture containing cellulose, liquid, auxiliary agent and urea, and having specified liquid contentInfo
- Publication number
- FI112869B FI112869B FI20030027A FI20030027A FI112869B FI 112869 B FI112869 B FI 112869B FI 20030027 A FI20030027 A FI 20030027A FI 20030027 A FI20030027 A FI 20030027A FI 112869 B FI112869 B FI 112869B
- Authority
- FI
- Finland
- Prior art keywords
- cellulose
- urea
- manufacture
- liquid
- auxiliary agent
- Prior art date
Links
Abstract
Cellulose carbamate is manufactured by absorbing auxiliary agent and urea into cellulose, and reacting cellulose and urea in a mixture containing cellulose, liquid, the auxiliary agent and urea. The mixture has a liquid content of less than 40, preferably less than 22%.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20030027A FI112869B (en) | 2003-01-08 | 2003-01-08 | Manufacture of cellulose carbamate used as alkaline solution in, e.g. manufacture of fibers and films, by reacting cellulose and urea in mixture containing cellulose, liquid, auxiliary agent and urea, and having specified liquid content |
CA2474465A CA2474465C (en) | 2002-01-29 | 2003-01-29 | Method for manufacturing cellulose carbamate |
EP03700823.2A EP1470162B1 (en) | 2002-01-29 | 2003-01-29 | Method for manufacturing cellulose carbamate |
PCT/FI2003/000073 WO2003064476A1 (en) | 2002-01-29 | 2003-01-29 | Method for manufacturing cellulose carbamate |
PL370745A PL210865B1 (en) | 2002-01-29 | 2003-01-29 | Method for manufacturing cellulose carbamate |
US10/501,950 US7662953B2 (en) | 2002-01-29 | 2003-01-29 | Method for manufacturing cellulose carbamate |
JP2003564096A JP4443931B2 (en) | 2002-01-29 | 2003-01-29 | Method for producing cellulose carbamate |
MXPA04007256A MXPA04007256A (en) | 2002-01-29 | 2003-01-29 | Method for manufacturing cellulose carbamate. |
EA200400983A EA007626B1 (en) | 2002-01-29 | 2003-01-29 | Method for manufacturing cellulose carbamate |
CNB038029081A CN1332982C (en) | 2002-01-29 | 2003-01-29 | Method for manufacturing cellulose carbamate |
ES03700823.2T ES2577386T3 (en) | 2002-01-29 | 2003-01-29 | Method for making cellulose carbamate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20030027A FI112869B (en) | 2003-01-08 | 2003-01-08 | Manufacture of cellulose carbamate used as alkaline solution in, e.g. manufacture of fibers and films, by reacting cellulose and urea in mixture containing cellulose, liquid, auxiliary agent and urea, and having specified liquid content |
Publications (2)
Publication Number | Publication Date |
---|---|
FI20030027A0 FI20030027A0 (en) | 2003-01-08 |
FI112869B true FI112869B (en) | 2004-01-30 |
Family
ID=8565281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20030027A FI112869B (en) | 2002-01-29 | 2003-01-08 | Manufacture of cellulose carbamate used as alkaline solution in, e.g. manufacture of fibers and films, by reacting cellulose and urea in mixture containing cellulose, liquid, auxiliary agent and urea, and having specified liquid content |
Country Status (1)
Country | Link |
---|---|
FI (1) | FI112869B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021181007A1 (en) | 2020-03-09 | 2021-09-16 | Infinited Fiber Company Oy | Separation of polycotton blends |
WO2022144506A1 (en) | 2020-12-31 | 2022-07-07 | Infinited Fiber Company Oy | Continuous dissolution of a cellulose derivative |
WO2022180309A1 (en) | 2021-02-26 | 2022-09-01 | Infinited Fiber Company Oy | Method of producing cellulose carbamate |
WO2023131748A1 (en) | 2022-01-07 | 2023-07-13 | Infinited Fiber Company Oy | Cellulosic textile fibre |
WO2023131749A1 (en) | 2022-01-07 | 2023-07-13 | Infinited Fiber Company Oy | Cellulose carbamate polymer |
-
2003
- 2003-01-08 FI FI20030027A patent/FI112869B/en active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021181007A1 (en) | 2020-03-09 | 2021-09-16 | Infinited Fiber Company Oy | Separation of polycotton blends |
WO2022144506A1 (en) | 2020-12-31 | 2022-07-07 | Infinited Fiber Company Oy | Continuous dissolution of a cellulose derivative |
WO2022180309A1 (en) | 2021-02-26 | 2022-09-01 | Infinited Fiber Company Oy | Method of producing cellulose carbamate |
WO2023131748A1 (en) | 2022-01-07 | 2023-07-13 | Infinited Fiber Company Oy | Cellulosic textile fibre |
WO2023131747A1 (en) | 2022-01-07 | 2023-07-13 | Infinited Fiber Company Oy | Cellulosic textile fibre |
WO2023131749A1 (en) | 2022-01-07 | 2023-07-13 | Infinited Fiber Company Oy | Cellulose carbamate polymer |
Also Published As
Publication number | Publication date |
---|---|
FI20030027A0 (en) | 2003-01-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Transfer of assignment of patent |
Owner name: INFINITED FIBER COMPANY OY |
|
PC | Transfer of assignment of patent |
Owner name: INFINITED FIBER COMPANY OY |