JPS56152714A - Ultrafiltration film and its manufacture - Google Patents
Ultrafiltration film and its manufactureInfo
- Publication number
- JPS56152714A JPS56152714A JP5376781A JP5376781A JPS56152714A JP S56152714 A JPS56152714 A JP S56152714A JP 5376781 A JP5376781 A JP 5376781A JP 5376781 A JP5376781 A JP 5376781A JP S56152714 A JPS56152714 A JP S56152714A
- Authority
- JP
- Japan
- Prior art keywords
- manufacture
- ultrafiltration film
- ultrafiltration
- film
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000108 ultra-filtration Methods 0.000 title 1
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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
- 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
- B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13831580A | 1980-04-08 | 1980-04-08 | |
US138315 | 1980-04-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56152714A true JPS56152714A (en) | 1981-11-26 |
JPS5950364B2 JPS5950364B2 (ja) | 1984-12-07 |
Family
ID=22481486
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56053767A Expired JPS5950364B2 (ja) | 1980-04-08 | 1981-04-08 | 限外「ろ」過膜およびその製造方法 |
JP59068360A Pending JPS60122007A (ja) | 1980-04-08 | 1984-04-04 | 限外濾過膜およびその製造方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59068360A Pending JPS60122007A (ja) | 1980-04-08 | 1984-04-04 | 限外濾過膜およびその製造方法 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0037730B1 (ja) |
JP (2) | JPS5950364B2 (ja) |
BR (1) | BR8102065A (ja) |
CA (1) | CA1168006A (ja) |
DE (1) | DE3172193D1 (ja) |
MX (1) | MX158957A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58150402A (ja) * | 1982-01-04 | 1983-09-07 | メムテック・ノース・アメリカ・コーポレイション | 改良膜システムおよびそれによる濾過法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4532041A (en) * | 1983-05-13 | 1985-07-30 | Exxon Research And Engineering Co. | Asymmetric polyimide reverse osmosis membrane, method for preparation of same and use thereof for organic liquid separations |
JPH0321609Y2 (ja) * | 1984-12-29 | 1991-05-10 | ||
US4836927A (en) * | 1988-03-28 | 1989-06-06 | Exxon Research And Engineering Company | Recovery of dewaxing aid using asymmetric polyimide ultrafiltration membrane and method for producing said membrane |
US4908134A (en) * | 1989-02-16 | 1990-03-13 | Exxon Research And Engineering Company | Ultrafiltration polyamide membrane and its use for recovery of dewaxing aid (OP-3454) |
US4963303A (en) * | 1989-02-16 | 1990-10-16 | Exxon Research & Engineering Company | Ultrafiltration polyimide membrane and its use for recovery of dewaxing aid |
US5006247A (en) * | 1989-08-15 | 1991-04-09 | Minnesota Mining And Manufacturing Company | Asymmetric porous polyamide membranes |
JP3585175B2 (ja) * | 1994-03-04 | 2004-11-04 | ポール・フィルトレイション・アンド・セパレイションズ・グループ・インコーポレイテッド | 大きな孔を有する合成ポリマー膜 |
DE19543055B4 (de) * | 1995-03-03 | 2006-05-11 | Memtec America Corp. | Großporige synthetische Polymermembranen |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3526588A (en) * | 1967-09-21 | 1970-09-01 | Amicon Corp | Macromolecular fractionation process |
US3720607A (en) * | 1970-04-15 | 1973-03-13 | Celanese Corp | Reverse osmosis process employing polybenzimidazole membranes |
DK143986C (da) * | 1973-04-12 | 1982-04-26 | Berghof Forschungsinst | Fremgangsmaade til fremstilling af uoploeselige asymmetriske polyimidmembraner |
US4159251A (en) * | 1976-09-29 | 1979-06-26 | Pharmaco, Inc. | Ultrafiltration membranes based on heteroaromatic polymers |
JPS5494477A (en) * | 1978-01-10 | 1979-07-26 | Nitto Electric Ind Co Ltd | Manufacture of selective permeable membrnae |
DE2935097A1 (de) * | 1978-09-07 | 1980-03-20 | Kuraray Co | Aethylen/vinylalkohol-copolymermembran |
CA1202837A (en) * | 1980-03-14 | 1986-04-08 | Wolfgang J. Wrasidlo | Asymmetric membranes and process therefor |
-
1981
- 1981-04-06 DE DE8181301480T patent/DE3172193D1/de not_active Expired
- 1981-04-06 EP EP81301480A patent/EP0037730B1/en not_active Expired
- 1981-04-06 CA CA000374765A patent/CA1168006A/en not_active Expired
- 1981-04-06 BR BR8102065A patent/BR8102065A/pt unknown
- 1981-04-08 MX MX186773A patent/MX158957A/es unknown
- 1981-04-08 JP JP56053767A patent/JPS5950364B2/ja not_active Expired
-
1984
- 1984-04-04 JP JP59068360A patent/JPS60122007A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58150402A (ja) * | 1982-01-04 | 1983-09-07 | メムテック・ノース・アメリカ・コーポレイション | 改良膜システムおよびそれによる濾過法 |
Also Published As
Publication number | Publication date |
---|---|
JPS60122007A (ja) | 1985-06-29 |
BR8102065A (pt) | 1981-10-13 |
DE3172193D1 (en) | 1985-10-17 |
CA1168006A (en) | 1984-05-29 |
MX158957A (es) | 1989-04-04 |
EP0037730A3 (en) | 1982-05-12 |
EP0037730B1 (en) | 1985-09-11 |
JPS5950364B2 (ja) | 1984-12-07 |
EP0037730A2 (en) | 1981-10-14 |
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