IT1170741B - IMPROVEMENT IN PLASMAFERESIS MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION - Google Patents

IMPROVEMENT IN PLASMAFERESIS MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION

Info

Publication number: IT1170741B
Authority: IT; Italy
Prior art keywords: plasmaferesis; membranes; improvement; procedure; production
Prior art date: 1980-02-23

Application number

IT47856/81A

Other languages

Italian (it)

Other versions

IT8147856A0 (en

Inventor

Werner Bandel

Gustav Dunweg

Original Assignee

Akzo Nv

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1980-02-23

Filing date

1981-02-20

Publication date

1987-06-03

1981-02-20 Application filed by Akzo Nv filed Critical Akzo Nv

1981-02-20 Publication of IT8147856A0 publication Critical patent/IT8147856A0/en

1987-06-03 Application granted granted Critical

1987-06-03 Publication of IT1170741B publication Critical patent/IT1170741B/en

Classifications

- 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
- B01D69/04—Tubular membranes
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0011—Casting solutions therefor
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0016—Coagulation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
- 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
- B01D69/06—Flat membranes
- 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
- 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
- B01D71/12—Cellulose derivatives
- B01D71/14—Esters of organic acids
- 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
- B01D71/12—Cellulose derivatives
- B01D71/14—Esters of organic acids
- B01D71/16—Cellulose acetate

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Dispersion Chemistry (AREA)
Inorganic Chemistry (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Artificial Filaments (AREA)
External Artificial Organs (AREA)
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

IT47856/81A 1980-02-23 1981-02-20 IMPROVEMENT IN PLASMAFERESIS MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION IT1170741B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3006880A DE3006880C2 (en)	1980-02-23	1980-02-23	Plasmaphoresis membrane

Publications (2)

Publication Number	Publication Date
IT8147856A0 IT8147856A0 (en)	1981-02-20
IT1170741B true IT1170741B (en)	1987-06-03

Family

ID=6095424

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT47856/81A IT1170741B (en)	1980-02-23	1981-02-20	IMPROVEMENT IN PLASMAFERESIS MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION

Country Status (13)

Country	Link
JP (1)	JPS56134209A (en)
AT (1)	AT381237B (en)
BE (1)	BE887603A (en)
CA (1)	CA1184716A (en)
CH (1)	CH647419A5 (en)
DE (1)	DE3006880C2 (en)
ES (2)	ES267109Y (en)
FR (1)	FR2476500B1 (en)
GB (1)	GB2069925B (en)
IT (1)	IT1170741B (en)
LU (1)	LU83157A1 (en)
NL (1)	NL8100701A (en)
SE (1)	SE8101127L (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3042110A1 (en) *	1980-11-07	1982-06-16	Akzo Gmbh, 5600 Wuppertal	MICROPOROUS CELLULOSE MEMBRANE
SE429441B (en) *	1982-04-30	1983-09-05	Gambro Dialysatoren	MICROPOROST HALFIBERMENBRAN FOR PLASMAFERES, AS WELL AS MANUFACTURING THE MEMBRANE
JPS60806A (en) *	1983-06-17	1985-01-05	Teijin Ltd	Manufacture of plasma albumin permeable hollow yarn membrane
JPS61106168A (en) *	1984-10-30	1986-05-24	帝人株式会社	Permselective hollow yarn membrane, its production and serum component separator using the same
JPS61293469A (en) *	1985-06-21	1986-12-24	帝人株式会社	Permselective hollow yarn membrane and serum component separator using the same
DE3842822A1 (en) *	1988-12-20	1990-07-05	Akzo Gmbh	BIOCOMPATIBLE DIALYSIS MEMBRANE FROM A MIXED POLYSACCHARIDESTER
EP0570826A1 (en) *	1992-05-20	1993-11-24	Akzo Nobel N.V.	Cellulose acetate membrane
EP0574699A2 (en) *	1992-05-20	1993-12-22	Akzo Nobel N.V.	Cellulose acetate dialysis membrane

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3709774A (en) *	1970-05-13	1973-01-09	Gen Electric	Preparation of asymmetric polymer membranes
US3724672A (en) *	1970-07-27	1973-04-03	R Leonard	Asymmetric hollow fiber membranes and method of fabrication
US3876738A (en) *	1973-07-18	1975-04-08	Amf Inc	Process for producing microporous films and products
JPS5193786A (en) *	1975-02-15	1976-08-17		Makurokagatano chukuseni
JPS6028522B2 (en) *	1975-03-27	1985-07-05	ダイセル化学工業株式会社	Manufacturing method of hollow fiber for separation
US4127625A (en) *	1975-03-27	1978-11-28	Daicel Ltd.	Process for preparing hollow fiber having selective gas permeability
JPS5255719A (en) *	1975-10-31	1977-05-07	Daicel Chem Ind Ltd	Hollow fibers having selective gas permeability and production thereof
JPS5289574A (en) *	1976-01-23	1977-07-27	Daicel Chem Ind Ltd	Production of hollow filament used for separation
GB1566581A (en) *	1975-12-29	1980-05-08	Nippon Zeon Co	Hollow fibres and methods of manufacturing such fibres
FR2410501A1 (en) *	1976-11-15	1979-06-29	Monsanto Co	MULTI-COMPONENT MEMBRANES FOR GAS SEPARATIONS
JPS546916A (en) *	1977-06-20	1979-01-19	Asahi Chem Ind Co Ltd	Hollow cellulose fibers and their production
JPS5411322A (en) *	1977-06-29	1979-01-27	Asahi Chem Ind Co Ltd	Hollow cellulose fibers and their production

1980
- 1980-02-23 DE DE3006880A patent/DE3006880C2/en not_active Expired
1981
- 1981-02-05 CH CH765/81A patent/CH647419A5/en not_active IP Right Cessation
- 1981-02-13 NL NL8100701A patent/NL8100701A/en not_active Application Discontinuation
- 1981-02-20 BE BE0/203854A patent/BE887603A/en not_active IP Right Cessation
- 1981-02-20 CA CA000371435A patent/CA1184716A/en not_active Expired
- 1981-02-20 SE SE8101127A patent/SE8101127L/en not_active Application Discontinuation
- 1981-02-20 FR FR8103456A patent/FR2476500B1/en not_active Expired
- 1981-02-20 ES ES1981267109U patent/ES267109Y/en not_active Expired
- 1981-02-20 ES ES499623A patent/ES499623A0/en active Granted
- 1981-02-20 GB GB8105455A patent/GB2069925B/en not_active Expired
- 1981-02-20 LU LU83157A patent/LU83157A1/en unknown
- 1981-02-20 IT IT47856/81A patent/IT1170741B/en active
- 1981-02-23 JP JP2440481A patent/JPS56134209A/en active Granted
- 1981-02-23 AT AT0082481A patent/AT381237B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
BE887603A (en)	1981-06-15
CA1184716A (en)	1985-04-02
JPS56134209A (en)	1981-10-20
ES267109Y (en)	1983-08-16
GB2069925B (en)	1983-08-10
GB2069925A (en)	1981-09-03
JPH035847B2 (en)	1991-01-28
CH647419A5 (en)	1985-01-31
ATA82481A (en)	1986-02-15
IT8147856A0 (en)	1981-02-20
FR2476500A1 (en)	1981-08-28
ES8201432A1 (en)	1981-12-16
ES499623A0 (en)	1981-12-16
SE8101127L (en)	1981-08-24
FR2476500B1 (en)	1988-11-25
DE3006880C2 (en)	1986-10-09
DE3006880A1 (en)	1981-09-03
ES267109U (en)	1983-02-16
AT381237B (en)	1986-09-10
NL8100701A (en)	1981-09-16
LU83157A1 (en)	1981-06-05

Publication	Publication Date	Title
FR2452948B1 (en)	1987-05-07	COMPOSITE SEMIPERMEABLE MEMBRANE AND PROCESS FOR MAKING SAME
IL63638A0 (en)	1981-11-30	Semipermeable composite membranes,their manufacture and their use
DE3379160D1 (en)	1989-03-16	Semi-permeable encapsulated membranes, process for their production and their use
IL63302A0 (en)	1981-10-30	Hollow fiber membranes for use in plasmaphoresis and their production
GB2027614B (en)	1982-07-07	Semipermeable composite membrane and process for preparation thereof
DE3675869D1 (en)	1991-01-10	SEMI-PLEASANT COMPOSED MEMBRANE AND METHOD FOR THEIR PRODUCTION.
EP0036315A3 (en)	1981-12-23	Anisotropic membranes and production thereof
JPS57159506A (en)	1982-10-01	Ultrafiltration membrane and its manufacture
DE3479634D1 (en)	1989-10-12	Composite membrane and process for the production thereof
IT7949805A0 (en)	1979-07-19	PROCEDURE FOR THE PRODUCTION OF MEMBRANES WITH POROUS SURFACE AND PRODUCT OBTAINED
DE3167434D1 (en)	1985-01-10	Semipermeable membranes
GB2020299B (en)	1982-08-25	Ultrafiltration membranes and the process for ultrafiltration membranes and the process for their preparation
IT1236498B (en)	1993-03-11	IMPROVEMENT IN SHAPED OFFICES AND PROCEDURE FOR THEIR PRODUCTION
JPS54126677A (en)	1979-10-02	Method of manufacturing composite membrane
IT1142925B (en)	1986-10-15	MICROPOROUS CELLULOSE MEMBRANE AND PROCESS FOR ITS PRODUCTION
IT1170741B (en)	1987-06-03	IMPROVEMENT IN PLASMAFERESIS MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION
IT8024520A0 (en)	1980-09-08	8-AMINOALKYL-4-ALKYLPSORALENES AND METHOD FOR THEIR PRODUCTION.
IT1085160B (en)	1985-05-28	SEMI-PERMEABLE MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION
IL63997A0 (en)	1982-01-31	Reverse osmosis membrane and its production
DE3172193D1 (en)	1985-10-17	Asymmetric ultrafiltration membrane and production thereof
JPS5496485A (en)	1979-07-30	Membrane water production method and its manufacture apparatus
IT1172247B (en)	1987-06-18	SOLFOBETAINE AND PROCESS FOR THEIR PRODUCTION
IT8022747A0 (en)	1980-06-13	THERMOFORMABLE PANELS AND PROCEDURE FOR THEIR PRODUCTION.
JPS5712807A (en)	1982-01-22	Ultrafiltration membrane and its manufacture
IT1143711B (en)	1986-10-22	PERMSELECTIVE MEMBRANES AND PROCESS FOR THEIR PREPARATION

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19960124