SE7507346L - Asymmetriska, halvgenomtrengliga membrande av cykliska polykarbamider. - Google Patents
Asymmetriska, halvgenomtrengliga membrande av cykliska polykarbamider.Info
- Publication number
- SE7507346L SE7507346L SE7507346A SE7507346A SE7507346L SE 7507346 L SE7507346 L SE 7507346L SE 7507346 A SE7507346 A SE 7507346A SE 7507346 A SE7507346 A SE 7507346A SE 7507346 L SE7507346 L SE 7507346L
- Authority
- SE
- Sweden
- Prior art keywords
- asymmetric
- membranes
- polycarbamids
- permissible
- cyclic
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
-
- 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
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2431071A DE2431071C2 (de) | 1974-06-28 | 1974-06-28 | Asymmetrische, semipermeable Membranen aus cyclischen Polyharnstoffen und deren Verwendung zur Meerwasserentsalzung oder zur Trennung und Konzentrierung von Stoffgemischen |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7507346L true SE7507346L (sv) | 1975-12-29 |
SE403570B SE403570B (sv) | 1978-08-28 |
Family
ID=5919181
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7507346A SE403570B (sv) | 1974-06-28 | 1975-06-26 | Asymmetriska, halvgenomtrengliga membraner av cykliska polykarbamider |
SE7800543A SE422004B (sv) | 1974-06-28 | 1978-01-17 | Anvendning av asymmetriska, halvgenomsleppliga membraner av cykliska polykarbamider for avsaltning av havsvatten och separering eller koncentrering av enskilda substanser fran substansblandningar |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7800543A SE422004B (sv) | 1974-06-28 | 1978-01-17 | Anvendning av asymmetriska, halvgenomsleppliga membraner av cykliska polykarbamider for avsaltning av havsvatten och separering eller koncentrering av enskilda substanser fran substansblandningar |
Country Status (18)
Country | Link |
---|---|
US (1) | US4045337A ( ) |
JP (1) | JPS584561B2 ( ) |
AT (1) | AT343601B ( ) |
BE (1) | BE830659A ( ) |
BR (1) | BR7504058A ( ) |
CA (1) | CA1052707A ( ) |
CH (1) | CH618452A5 ( ) |
DD (1) | DD120357A5 ( ) |
DE (1) | DE2431071C2 ( ) |
DK (1) | DK145872C ( ) |
FI (1) | FI751893A ( ) |
FR (1) | FR2276343A1 ( ) |
GB (1) | GB1488300A ( ) |
IL (1) | IL47563A ( ) |
IT (1) | IT1040711B ( ) |
NL (1) | NL7507570A ( ) |
NO (1) | NO141458C ( ) |
SE (2) | SE403570B ( ) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4272467A (en) * | 1975-12-22 | 1981-06-09 | Exxon Research & Engineering Co. | Method for producing an essentially gas and liquid impermeable low density, closed-cell, microcellular polyparabanic acid article |
US4105616A (en) * | 1977-10-26 | 1978-08-08 | Exxon Research & Engineering Co. | Heterocyclic polymer solutions and products therefrom |
JPS54107882A (en) * | 1978-02-13 | 1979-08-24 | Toray Ind Inc | Semipermeable membrane |
DE3167434D1 (en) * | 1980-07-02 | 1985-01-10 | Bayer Ag | Semipermeable membranes |
JPH01164402A (ja) * | 1987-10-14 | 1989-06-28 | Exxon Res & Eng Co | ポリ尿素膜及び芳香族化合物と非芳香族化合物との分離のためのその用途 |
EP0539870B1 (de) * | 1991-10-26 | 1996-08-28 | Hoechst Aktiengesellschaft | Hydrophile, asymmetrische, chemikalienbeständige Polyaramidmembran |
DE4338196A1 (de) * | 1993-11-09 | 1995-05-11 | Bayer Ag | Verfahren zum Reinigen organischer Syntheseprodukte |
AUPP521298A0 (en) * | 1998-08-12 | 1998-09-03 | Life Therapeutics Limited | Purification of fibrinogen |
AUPP790698A0 (en) * | 1998-12-23 | 1999-01-28 | Life Therapeutics Limited | Separation of microorganisms |
US20050224355A1 (en) * | 1999-12-23 | 2005-10-13 | Brendon Conlan | Removal of biological contaminants |
AUPP790898A0 (en) | 1998-12-23 | 1999-01-28 | Life Therapeutics Limited | Renal dialysis |
US7077942B1 (en) | 1999-12-23 | 2006-07-18 | Gradipore Limited | Removal of biological contaminants |
AUPQ691400A0 (en) | 2000-04-14 | 2000-05-11 | Life Therapeutics Limited | Separation of micromolecules |
ATE449200T1 (de) | 2000-04-18 | 2009-12-15 | Gradipore Ltd | Trennung und behandlung von proben durch elektrophorese |
AUPQ697300A0 (en) | 2000-04-18 | 2000-05-11 | Life Therapeutics Limited | Separation apparatus |
US6923896B2 (en) * | 2000-09-22 | 2005-08-02 | The Texas A&M University System | Electrophoresis apparatus and method |
JP2004510170A (ja) * | 2000-10-06 | 2004-04-02 | グラディポア リミテッド | マルチポート型分離装置および方法 |
AUPR222300A0 (en) * | 2000-12-21 | 2001-01-25 | Life Therapeutics Limited | Electrophoresis device and method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE608328A ( ) * | 1960-09-19 | |||
US3423491A (en) * | 1964-09-02 | 1969-01-21 | Dow Chemical Co | Permselective hollow fibers and method of making |
US3503939A (en) * | 1967-03-29 | 1970-03-31 | Du Pont | Polyamides from heterocyclic diamines |
US3526588A (en) * | 1967-09-21 | 1970-09-01 | Amicon Corp | Macromolecular fractionation process |
US3630999A (en) * | 1969-11-12 | 1971-12-28 | Pennwalt Corp | Tetrasubstituted urea monomers and polymers |
US3752784A (en) * | 1970-12-23 | 1973-08-14 | Du Pont | Process for preparing microporous opencelled cellular polymeric structures |
US3901810A (en) * | 1972-09-21 | 1975-08-26 | Calgon Corp | Ultrafiltration membranes |
-
1974
- 1974-06-28 DE DE2431071A patent/DE2431071C2/de not_active Expired
-
1975
- 1975-05-22 GB GB22178/75A patent/GB1488300A/en not_active Expired
- 1975-06-13 NO NO752114A patent/NO141458C/no unknown
- 1975-06-24 US US05/589,950 patent/US4045337A/en not_active Expired - Lifetime
- 1975-06-24 JP JP50077055A patent/JPS584561B2/ja not_active Expired
- 1975-06-25 NL NL7507570A patent/NL7507570A/xx not_active Application Discontinuation
- 1975-06-25 IT IT50214/75A patent/IT1040711B/it active
- 1975-06-25 IL IL47563A patent/IL47563A/en unknown
- 1975-06-26 BE BE157694A patent/BE830659A/xx not_active IP Right Cessation
- 1975-06-26 CH CH832375A patent/CH618452A5/de not_active IP Right Cessation
- 1975-06-26 CA CA230,238A patent/CA1052707A/en not_active Expired
- 1975-06-26 SE SE7507346A patent/SE403570B/xx not_active IP Right Cessation
- 1975-06-26 AT AT491375A patent/AT343601B/de not_active IP Right Cessation
- 1975-06-26 DD DD186910A patent/DD120357A5/xx unknown
- 1975-06-26 FI FI751893A patent/FI751893A/fi not_active Application Discontinuation
- 1975-06-27 FR FR7520366A patent/FR2276343A1/fr active Granted
- 1975-06-27 DK DK293775A patent/DK145872C/da not_active IP Right Cessation
- 1975-06-27 BR BR5209/75D patent/BR7504058A/pt unknown
-
1978
- 1978-01-17 SE SE7800543A patent/SE422004B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI751893A ( ) | 1975-12-29 |
SE7800543L (sv) | 1978-01-17 |
SE403570B (sv) | 1978-08-28 |
ATA491375A (de) | 1977-10-15 |
GB1488300A (en) | 1977-10-12 |
DK145872C (da) | 1983-09-12 |
DK145872B (da) | 1983-03-28 |
NO752114L ( ) | 1975-12-30 |
SE422004B (sv) | 1982-02-15 |
DE2431071A1 (de) | 1976-01-15 |
CA1052707A (en) | 1979-04-17 |
BE830659A (fr) | 1975-12-29 |
NL7507570A (nl) | 1975-12-30 |
BR7504058A (pt) | 1976-06-29 |
FR2276343A1 (fr) | 1976-01-23 |
JPS5127880A (en) | 1976-03-09 |
IL47563A (en) | 1977-07-31 |
IL47563A0 (en) | 1975-08-31 |
IT1040711B (it) | 1979-12-20 |
NO141458C (no) | 1980-03-19 |
NO141458B (no) | 1979-12-10 |
FR2276343B1 ( ) | 1978-10-27 |
DE2431071C2 (de) | 1982-03-04 |
AT343601B (de) | 1978-06-12 |
JPS584561B2 (ja) | 1983-01-27 |
CH618452A5 ( ) | 1980-07-31 |
US4045337A (en) | 1977-08-30 |
DK293775A (da) | 1975-12-29 |
AU8242975A (en) | 1977-01-06 |
DD120357A5 ( ) | 1976-06-12 |
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Legal Events
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---|---|---|---|
NUG | Patent has lapsed |
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