IT7950415A0 - Per la loro produzione perfezionamento nelle membrane di dialisi in cellulosa e procedimento - Google Patents
Per la loro produzione perfezionamento nelle membrane di dialisi in cellulosa e procedimentoInfo
- Publication number
- IT7950415A0 IT7950415A0 IT7950415A IT5041579A IT7950415A0 IT 7950415 A0 IT7950415 A0 IT 7950415A0 IT 7950415 A IT7950415 A IT 7950415A IT 5041579 A IT5041579 A IT 5041579A IT 7950415 A0 IT7950415 A0 IT 7950415A0
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- procedure
- production
- dialysis membranes
- cellulose dialysis
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 0.000 title 1
- 238000000502 dialysis Methods 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000012528 membrane Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
- B01D69/087—Details relating to the spinning process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
- B01D71/10—Cellulose; Modified cellulose
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/20—Formation of filaments, threads, or the like with varying denier along their length
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE7829409U DE7829409U1 (de) | 1978-10-02 | 1978-10-02 | Dialysemembranhohlfaden mit größerer Austauschfläche |
DE19782842957 DE2842957A1 (de) | 1978-10-02 | 1978-10-02 | Dialysemembranhohlfaden mit groesserer austauschflaeche |
DE2848601A DE2848601C2 (de) | 1978-10-02 | 1978-11-09 | Dialysemembranhohlfaden mit stabilisierter Wanddicke |
DE7838339 | 1978-12-23 | ||
DE2906576A DE2906576C2 (de) | 1978-10-02 | 1979-02-21 | Verfahren zum Spinnen von Hohlfäden |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7950415A0 true IT7950415A0 (it) | 1979-10-01 |
IT1164713B IT1164713B (it) | 1987-04-15 |
Family
ID=27510546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT50415/79A IT1164713B (it) | 1978-10-02 | 1979-10-01 | Perfezionamento nelle membrane di dialisi in cellulosa e procedimento per la loro produzione |
Country Status (5)
Country | Link |
---|---|
FR (1) | FR2437859B1 (it) |
GB (1) | GB2032840B (it) |
IT (1) | IT1164713B (it) |
LU (1) | LU81734A1 (it) |
NL (1) | NL7907212A (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3049247A1 (de) * | 1980-12-27 | 1982-07-29 | Akzo Gmbh, 5600 Wuppertal | Dialysemembranhohlfaden |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2999296A (en) * | 1957-03-25 | 1961-09-12 | Du Pont | Novel filaments and fabrics |
US3772137A (en) * | 1968-09-30 | 1973-11-13 | Du Pont | Polyester pillow batt |
US3888771A (en) * | 1972-06-02 | 1975-06-10 | Asahi Chemical Ind | Hollow fibers of cuprammonium cellulose and a process of the manufacture of same |
GB1481064A (en) * | 1973-08-30 | 1977-07-27 | Teijin Ltd | Membrane apparatus for treating fluids |
GB1566581A (en) * | 1975-12-29 | 1980-05-08 | Nippon Zeon Co | Hollow fibres and methods of manufacturing such fibres |
US4086418A (en) * | 1976-02-27 | 1978-04-25 | International Telephone And Telegraph Corporation | Process for producing a regenerated hollow cellulosic fiber |
DE2705734C3 (de) * | 1977-02-11 | 1982-04-22 | Akzo Gmbh, 5600 Wuppertal | Dialysemembran für die Hämodialyse |
IL52259A (en) * | 1976-06-22 | 1981-02-27 | Akzo Nv | Dialysis membrane and its manufacture |
DE2705735C3 (de) * | 1977-02-11 | 1982-05-19 | Akzo Gmbh, 5600 Wuppertal | Dialysemembran für die Hämodialyse |
DE2705733C2 (de) * | 1977-02-11 | 1982-07-22 | Akzo Gmbh, 5600 Wuppertal | Dialysemembran für die Hämodialyse |
FR2380052A1 (fr) * | 1977-02-11 | 1978-09-08 | Akzo Nv | Membrane de dialyse pour l'hemodialyse |
-
1979
- 1979-09-28 NL NL7907212A patent/NL7907212A/nl not_active Application Discontinuation
- 1979-09-28 LU LU81734A patent/LU81734A1/de unknown
- 1979-10-01 FR FR7924430A patent/FR2437859B1/fr not_active Expired
- 1979-10-01 IT IT50415/79A patent/IT1164713B/it active
- 1979-10-02 GB GB7934085A patent/GB2032840B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1164713B (it) | 1987-04-15 |
GB2032840B (en) | 1983-02-16 |
GB2032840A (en) | 1980-05-14 |
NL7907212A (nl) | 1980-04-08 |
LU81734A1 (de) | 1980-01-24 |
FR2437859A1 (fr) | 1980-04-30 |
FR2437859B1 (fr) | 1988-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960912 |