DD120357A5 - - Google Patents
Info
- Publication number
- DD120357A5 DD120357A5 DD186910A DD18691075A DD120357A5 DD 120357 A5 DD120357 A5 DD 120357A5 DD 186910 A DD186910 A DD 186910A DD 18691075 A DD18691075 A DD 18691075A DD 120357 A5 DD120357 A5 DD 120357A5
- Authority
- DD
- German Democratic Republic
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 (1)
| Publication Number | Publication Date |
|---|---|
| DD120357A5 true DD120357A5 (https=) | 1976-06-12 |
Family
ID=5919181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD186910A DD120357A5 (https=) | 1974-06-28 | 1975-06-26 |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4045337A (https=) |
| JP (1) | JPS584561B2 (https=) |
| AT (1) | AT343601B (https=) |
| BE (1) | BE830659A (https=) |
| BR (1) | BR7504058A (https=) |
| CA (1) | CA1052707A (https=) |
| CH (1) | CH618452A5 (https=) |
| DD (1) | DD120357A5 (https=) |
| DE (1) | DE2431071C2 (https=) |
| DK (1) | DK145872C (https=) |
| FI (1) | FI751893A7 (https=) |
| FR (1) | FR2276343A1 (https=) |
| GB (1) | GB1488300A (https=) |
| IL (1) | IL47563A (https=) |
| IT (1) | IT1040711B (https=) |
| NL (1) | NL7507570A (https=) |
| NO (1) | NO141458C (https=) |
| SE (2) | SE403570B (https=) |
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 |
| DK0539870T3 (da) * | 1991-10-26 | 1996-12-09 | Hoechst Ag | Hydrofile, asymmetriske, kemikaliebestandige polyaramidmembraner |
| 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 |
| US20050224355A1 (en) * | 1999-12-23 | 2005-10-13 | Brendon Conlan | Removal of biological contaminants |
| AUPP790698A0 (en) | 1998-12-23 | 1999-01-28 | Life Therapeutics Limited | Separation of microorganisms |
| 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 |
| JP2003531362A (ja) | 2000-04-18 | 2003-10-21 | グラディポア・リミテッド | 試料の電気泳動性分離および処理 |
| 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 |
|---|---|---|---|---|
| DE123476C (https=) * | 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 JP JP50077055A patent/JPS584561B2/ja not_active Expired
- 1975-06-24 US US05/589,950 patent/US4045337A/en not_active Expired - Lifetime
- 1975-06-25 NL NL7507570A patent/NL7507570A/xx not_active Application Discontinuation
- 1975-06-25 IL IL47563A patent/IL47563A/en unknown
- 1975-06-25 IT IT50214/75A patent/IT1040711B/it active
- 1975-06-26 SE SE7507346A patent/SE403570B/xx not_active IP Right Cessation
- 1975-06-26 FI FI751893A patent/FI751893A7/fi not_active Application Discontinuation
- 1975-06-26 DD DD186910A patent/DD120357A5/xx unknown
- 1975-06-26 CA CA230,238A patent/CA1052707A/en not_active Expired
- 1975-06-26 CH CH832375A patent/CH618452A5/de not_active IP Right Cessation
- 1975-06-26 AT AT491375A patent/AT343601B/de not_active IP Right Cessation
- 1975-06-26 BE BE157694A patent/BE830659A/xx not_active IP Right Cessation
- 1975-06-27 FR FR7520366A patent/FR2276343A1/fr active Granted
- 1975-06-27 BR BR5209/75D patent/BR7504058A/pt unknown
- 1975-06-27 DK DK293775A patent/DK145872C/da not_active IP Right Cessation
-
1978
- 1978-01-17 SE SE7800543A patent/SE422004B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK293775A (da) | 1975-12-29 |
| IL47563A0 (en) | 1975-08-31 |
| NL7507570A (nl) | 1975-12-30 |
| DE2431071A1 (de) | 1976-01-15 |
| AU8242975A (en) | 1977-01-06 |
| JPS5127880A (en) | 1976-03-09 |
| SE422004B (sv) | 1982-02-15 |
| CH618452A5 (https=) | 1980-07-31 |
| DK145872C (da) | 1983-09-12 |
| FR2276343A1 (fr) | 1976-01-23 |
| ATA491375A (de) | 1977-10-15 |
| IL47563A (en) | 1977-07-31 |
| SE403570B (sv) | 1978-08-28 |
| SE7507346L (sv) | 1975-12-29 |
| IT1040711B (it) | 1979-12-20 |
| GB1488300A (en) | 1977-10-12 |
| DK145872B (da) | 1983-03-28 |
| NO141458B (no) | 1979-12-10 |
| DE2431071C2 (de) | 1982-03-04 |
| FI751893A7 (https=) | 1975-12-29 |
| US4045337A (en) | 1977-08-30 |
| FR2276343B1 (https=) | 1978-10-27 |
| CA1052707A (en) | 1979-04-17 |
| NO141458C (no) | 1980-03-19 |
| BE830659A (fr) | 1975-12-29 |
| JPS584561B2 (ja) | 1983-01-27 |
| BR7504058A (pt) | 1976-06-29 |
| NO752114L (https=) | 1975-12-30 |
| SE7800543L (sv) | 1978-01-17 |
| AT343601B (de) | 1978-06-12 |