IT1164827B - Perfezionamento nelle membrane di dialisi in cellulosa e procedimento di produzione - Google Patents
Perfezionamento nelle membrane di dialisi in cellulosa e procedimento di produzioneInfo
- Publication number
- IT1164827B IT1164827B IT50414/79A IT5041479A IT1164827B IT 1164827 B IT1164827 B IT 1164827B IT 50414/79 A IT50414/79 A IT 50414/79A IT 5041479 A IT5041479 A IT 5041479A IT 1164827 B IT1164827 B IT 1164827B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- production process
- dialysis membranes
- cellulose dialysis
- cellulose
- Prior art date
Links
Classifications
-
- 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
-
- 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
- B01D69/082—Hollow fibre membranes characterised by the cross-sectional shape of the fibre
-
- 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
-
- 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
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)
- Artificial Filaments (AREA)
- External Artificial Organs (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782842835 DE2842835C3 (de) | 1978-10-02 | 1978-10-02 | Dialysemembranhohlfadenkette |
DE7829409U DE7829409U1 (de) | 1978-10-02 | 1978-10-02 | Dialysemembranhohlfaden mit größerer Austauschfläche |
DE7838339 | 1978-12-23 | ||
DE2906576A DE2906576C2 (de) | 1978-10-02 | 1979-02-21 | Verfahren zum Spinnen von Hohlfäden |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7950414A0 IT7950414A0 (it) | 1979-10-01 |
IT1164827B true IT1164827B (it) | 1987-04-15 |
Family
ID=27432341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT50414/79A IT1164827B (it) | 1978-10-02 | 1979-10-01 | Perfezionamento nelle membrane di dialisi in cellulosa e procedimento di produzione |
Country Status (6)
Country | Link |
---|---|
US (1) | US4332752A (it) |
FR (1) | FR2437857A1 (it) |
GB (1) | GB2032340B (it) |
IT (1) | IT1164827B (it) |
LU (1) | LU81735A1 (it) |
NL (1) | NL7907213A (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6157204A (ja) * | 1984-08-27 | 1986-03-24 | Terumo Corp | 透析用中空糸及びその製造方法 |
CA1272139A (en) * | 1984-11-16 | 1990-07-31 | Shoji Mizutani | Fluid separator, hollow fiber to be used for construction thereof and process for preparation of said hollow fibers |
US4857081A (en) * | 1987-10-15 | 1989-08-15 | Separation Dynamics, Inc. | Separation of water from hydrocarbons and halogenated hydrocarbons |
FR2641709B1 (fr) * | 1988-12-22 | 1992-01-17 | Lyonnaise Eaux | Procede pour la fabrication d'un materiau poreux organique, notamment d'une membrane semi-permeable organique, comportant une pluralite de canaux longitudinaux separes |
WO1993003829A1 (de) * | 1991-08-17 | 1993-03-04 | Akzo N.V. | Dialysehohlfaden |
AU2003209418A1 (en) * | 2002-01-29 | 2003-09-02 | Amersham Biosciences Membrane Separations Corp. | Spiraled surface hollow fiber membranes |
US8282384B1 (en) * | 2011-04-15 | 2012-10-09 | Thomas Michael R | Continuous curing and post curing apparatus |
WO2013018900A1 (ja) | 2011-08-03 | 2013-02-07 | 三菱レイヨン株式会社 | 多孔質膜の製造方法および製造装置 |
DE102012211617A1 (de) * | 2012-07-04 | 2014-01-09 | Raumedic Ag | Schlauchmatte, Verfahren zum Herstellen einer derartigen Schlauchmatte sowie Werkzeug zum Extrudieren einer derartigen Schlauchmatte |
GB2524024A (en) * | 2014-03-11 | 2015-09-16 | Univ Dublin | An aerated biofilm reactor fibre membrane |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US808148A (en) * | 1905-06-19 | 1905-12-26 | Silas W Pettit | Process of forming filaments from viscose, &c. |
US1375824A (en) * | 1917-05-29 | 1921-04-26 | Borzykowski Benno | Process of production and simultaneous conversion of articles obtained from solutions into the ultimate forms |
US1401943A (en) * | 1917-08-31 | 1921-12-27 | Borzykowski Benno | Process for the production of threads |
FR509723A (fr) * | 1919-05-13 | 1920-11-18 | Lazare Drut | Textile artificiel et son procédé de fabrication |
US1975323A (en) * | 1929-05-04 | 1934-10-02 | Atlas Powder Co | Method of and means for spinning artificial silk |
FR786561A (fr) * | 1935-02-02 | 1935-09-05 | Budd Edward G Mfg Co | Perfectionnements aux fils de rayonne et à la fabrication desdits fils de rayonne |
US2399259A (en) * | 1943-05-29 | 1946-04-30 | American Viscose Corp | Method of making hollow filaments and product thereof |
US2440226A (en) * | 1943-08-19 | 1948-04-20 | Du Pont | Method and apparatus for producing and stretching artificial yarn |
BE493893A (it) * | 1947-09-04 | |||
DE1184448B (de) * | 1956-10-30 | 1964-12-31 | Trikotfabriken J Schiesser A G | Kuenstlicher Hohlfaden und Spinnkopf zu seiner Herstellung |
DE1214193B (de) * | 1957-11-28 | 1966-04-14 | Dietzsch Hans Joachim | Anisotroper Werkstoff zur Herstellung von Bauelementen |
BE633256A (it) * | 1961-09-28 | |||
US3888771A (en) * | 1972-06-02 | 1975-06-10 | Asahi Chemical Ind | Hollow fibers of cuprammonium cellulose and a process of the manufacture of same |
JPS5330808B2 (it) * | 1973-10-03 | 1978-08-29 | ||
US4127625A (en) * | 1975-03-27 | 1978-11-28 | Daicel Ltd. | Process for preparing hollow fiber having selective gas permeability |
JPS5212810A (en) * | 1975-07-21 | 1977-01-31 | Omron Tateisi Electronics Co | Magnetic sheet recording reproduction equipment |
DE2622684B2 (de) * | 1976-05-21 | 1979-03-15 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Membranaustauscher |
IL52259A (en) * | 1976-06-22 | 1981-02-27 | Akzo Nv | Dialysis membrane and its manufacture |
-
1979
- 1979-09-28 LU LU81735A patent/LU81735A1/de unknown
- 1979-09-28 NL NL7907213A patent/NL7907213A/nl not_active Application Discontinuation
- 1979-10-01 IT IT50414/79A patent/IT1164827B/it active
- 1979-10-01 US US06/080,788 patent/US4332752A/en not_active Expired - Lifetime
- 1979-10-01 FR FR7924428A patent/FR2437857A1/fr not_active Withdrawn
- 1979-10-02 GB GB7934092A patent/GB2032340B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
LU81735A1 (de) | 1980-01-24 |
NL7907213A (nl) | 1980-04-08 |
GB2032340A (en) | 1980-05-08 |
US4332752A (en) | 1982-06-01 |
IT7950414A0 (it) | 1979-10-01 |
GB2032340B (en) | 1982-08-25 |
FR2437857A1 (fr) | 1980-04-30 |
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