BE826775A - POLYCARBONATE MEMBRANES AND THEIR MANUFACTURING PROCESS - Google Patents

POLYCARBONATE MEMBRANES AND THEIR MANUFACTURING PROCESS

Info

Publication number: BE826775A
Authority: BE; Belgium
Prior art keywords: manufacturing process; polycarbonate membranes; membranes; polycarbonate; manufacturing
Prior art date: 1974-03-26

Application number

BE154410A

Other languages

French (fr)

Original Assignee

Us Health

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.)

1974-03-26

Filing date

1975-03-17

Publication date

1975-09-17

1975-03-17 Application filed by Us Health filed Critical Us Health

1975-09-17 Publication of BE826775A publication Critical patent/BE826775A/en

Links

238000004519 manufacturing process Methods 0.000 title 1
239000012528 membrane Substances 0.000 title 1
229920000515 polycarbonate Polymers 0.000 title 1
239000004417 polycarbonate Substances 0.000 title 1

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
- B01D71/50—Polycarbonates
- 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

Landscapes

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

BE154410A 1974-03-26 1975-03-17 POLYCARBONATE MEMBRANES AND THEIR MANUFACTURING PROCESS BE826775A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US45493974A	1974-03-26	1974-03-26

Publications (1)

Publication Number	Publication Date
BE826775A true BE826775A (en)	1975-09-17

Family

ID=23806700

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE154410A BE826775A (en)	1974-03-26	1975-03-17	POLYCARBONATE MEMBRANES AND THEIR MANUFACTURING PROCESS

Country Status (11)

Country	Link
JP (1)	JPS5228826B2 (en)
BE (1)	BE826775A (en)
CA (1)	CA1062413A (en)
CH (1)	CH594434A5 (en)
DK (1)	DK163482C (en)
FR (1)	FR2265807B1 (en)
GB (1)	GB1500937A (en)
IT (1)	IT1030266B (en)
NL (1)	NL172920C (en)
NO (1)	NO135162C (en)
SE (1)	SE407583B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1107467A (en) *	1976-03-19	1981-08-25	Paul A. Cantor	Polycarbonate membranes for use in hemodialysis
US4069151A (en) *	1976-03-31	1978-01-17	C. R. Bard, Inc.	Thin polycarbonate membranes for use in hemodialysis
DE2932761A1 (en) *	1979-08-13	1981-02-26	Akzo Gmbh	POLYCARBONATE-POLYAETHER-COPOLYMER MEMBRANE
SE423106B (en) *	1980-07-25	1982-04-13	Gambro Dialysatoren	PLASMAFERES MEMBRANE AND WAY TO MANUFACTURE THIS
DE3069709D1 (en) *	1980-09-01	1985-01-10	Gambro Inc	Dry polycarbonate membrane and process of manufacture
EP0046816A1 (en) *	1980-09-01	1982-03-10	Gambro, Inc.	Polycarbonate hemofiltration membrane and method of hemofiltering using such a membrane
SE446505B (en) *	1982-11-16	1986-09-22	Gambro Dialysatoren	MEMBRANE AND WAY TO MAKE THIS
EP0135760A1 (en) *	1983-08-19	1985-04-03	Bayer Ag	Polyether-polycarbonates for dialysis-membranes
US20080143014A1 (en) *	2006-12-18	2008-06-19	Man-Wing Tang	Asymmetric Gas Separation Membranes with Superior Capabilities for Gas Separation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3945926A (en) *	1971-10-18	1976-03-23	Chemical Systems, Inc.	Integral microporous high void volume polycarbonate membranes and a dry process for forming same
US3901810A (en) *	1972-09-21	1975-08-26	Calgon Corp	Ultrafiltration membranes

1975
- 1975-02-28 GB GB8359/75A patent/GB1500937A/en not_active Expired
- 1975-03-04 IT IT67549/75A patent/IT1030266B/en active
- 1975-03-07 FR FR7507225A patent/FR2265807B1/fr not_active Expired
- 1975-03-10 DK DK096275A patent/DK163482C/en active
- 1975-03-11 NL NLAANVRAGE7502865,A patent/NL172920C/en not_active IP Right Cessation
- 1975-03-17 BE BE154410A patent/BE826775A/en not_active IP Right Cessation
- 1975-03-19 CH CH353175A patent/CH594434A5/xx not_active IP Right Cessation
- 1975-03-19 CA CA222,510A patent/CA1062413A/en not_active Expired
- 1975-03-24 NO NO751026A patent/NO135162C/no unknown
- 1975-03-25 SE SE7503430A patent/SE407583B/en not_active IP Right Cessation
- 1975-03-26 JP JP50036697A patent/JPS5228826B2/ja not_active Expired

Also Published As

Publication number	Publication date
NL172920B (en)	1983-06-16
NL7502865A (en)	1975-09-30
FR2265807A1 (en)	1975-10-24
SE7503430L (en)	1975-09-29
JPS5179172A (en)	1976-07-09
IT1030266B (en)	1979-03-30
DK163482C (en)	1992-07-27
FR2265807B1 (en)	1979-02-23
CA1062413A (en)	1979-09-18
NL172920C (en)	1983-11-16
JPS5228826B2 (en)	1977-07-28
CH594434A5 (en)	1978-01-13
SE407583B (en)	1979-04-02
DK96275A (en)	1975-09-27
NO135162C (en)	1977-02-23
GB1500937A (en)	1978-02-15
NO135162B (en)	1976-11-15
NO751026L (en)	1975-09-29
DK163482B (en)	1992-03-09

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Legal Events

Date

Code

Title

Description

1995-01-01

RE20

Patent expired

Owner name: THE GOVERNMENT OF THE UNITED STATES

Effective date: 19950317