JPS5723698B2 - - Google Patents
Info
- Publication number
- JPS5723698B2 JPS5723698B2 JP707176A JP707176A JPS5723698B2 JP S5723698 B2 JPS5723698 B2 JP S5723698B2 JP 707176 A JP707176 A JP 707176A JP 707176 A JP707176 A JP 707176A JP S5723698 B2 JPS5723698 B2 JP S5723698B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Classifications
-
- 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
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- 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
-
- 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
- B01D67/0093—Chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH82775A CH614127A5 (en) | 1975-01-23 | 1975-01-23 | Porous membrane and method for production thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5199695A JPS5199695A (en) | 1976-09-02 |
| JPS5723698B2 true JPS5723698B2 (en) | 1982-05-20 |
Family
ID=4196116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP707176A Expired JPS5723698B2 (en) | 1975-01-23 | 1976-01-23 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5723698B2 (en) |
| CH (1) | CH614127A5 (en) |
| DE (1) | DE2505254A1 (en) |
| FR (1) | FR2298570A1 (en) |
| GB (1) | GB1504261A (en) |
| IT (1) | IT1053401B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0026399B1 (en) * | 1979-09-19 | 1984-03-14 | Aligena Ag | Porous semipermeable cellulose acetate membranes modified by ionic groups, process for their production and their use |
| EP0041239A3 (en) * | 1980-06-04 | 1982-05-12 | Ciba-Geigy Ag | Stable concentrated liquid preparations of non metalliferous dyes, their preparation process and their use |
| IL63638A0 (en) * | 1980-09-16 | 1981-11-30 | Aligena Ag | Semipermeable composite membranes,their manufacture and their use |
| EP0059782B1 (en) * | 1981-03-06 | 1986-05-21 | Ciba-Geigy Ag | Process for producing concentrated aqueous dyestuff preparations of anionic paper or wool dyes |
| ZA816730B (en) * | 1981-03-06 | 1982-10-27 | Ciba Geigy | Process for the preparation of concentrated aqueous compositions of anionic dyes |
| CH652313A5 (en) * | 1981-08-25 | 1985-11-15 | Ciba Geigy Ag | METHOD FOR PRODUCING CONCENTRATED AQUEOUS PREPARATIONS OF SYNTHETIC ANIONIC DISPERGERS. |
| CH647021A5 (en) * | 1981-09-22 | 1984-12-28 | Ciba Geigy Ag | METHOD FOR PRODUCING STORAGE-STABLE BRIGHTENER FORMULATIONS. |
| CH648583A5 (en) * | 1981-09-29 | 1985-03-29 | Ciba Geigy Ag | METHOD FOR THE PRODUCTION OF STORAGE-STABLE DYE PREPARATIONS. |
| CH654424A5 (en) * | 1983-03-25 | 1986-02-14 | Ciba Geigy Ag | METHOD FOR PREVENTING THE GELLING OF CONCENTRATED AQUEOUS PHOTOACTIVATOR SOLUTIONS. |
| JPS59182863A (en) * | 1983-04-01 | 1984-10-17 | Canon Inc | Apparatus for purification of dye |
| JPS59182861A (en) * | 1983-04-01 | 1984-10-17 | Canon Inc | Apparatus for purification of dye |
| JPS59182862A (en) * | 1983-04-01 | 1984-10-17 | Canon Inc | Apparatus for purification of dye |
| DK1200179T3 (en) * | 1999-07-30 | 2006-09-25 | Genentech Inc | Charged filtration membranes and applications thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2419930A1 (en) * | 1973-04-30 | 1974-11-07 | Dorr Oliver Inc | ULTRAFILTRATION MEMBRANE AND METHOD OF MANUFACTURING THEREOF |
| JPS5210670B2 (en) * | 1973-05-16 | 1977-03-25 | ||
| DE2437594A1 (en) * | 1974-08-05 | 1976-02-26 | Riedel De Haen Ag | Azo contg. cellulosic ion exchange resins |
-
1975
- 1975-01-23 CH CH82775A patent/CH614127A5/en not_active IP Right Cessation
- 1975-02-07 DE DE19752505254 patent/DE2505254A1/en active Granted
-
1976
- 1976-01-21 IT IT47727/76A patent/IT1053401B/en active
- 1976-01-22 FR FR7601674A patent/FR2298570A1/en active Granted
- 1976-01-23 JP JP707176A patent/JPS5723698B2/ja not_active Expired
- 1976-01-23 GB GB2729/76A patent/GB1504261A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1504261A (en) | 1978-03-15 |
| FR2298570B1 (en) | 1979-02-02 |
| FR2298570A1 (en) | 1976-08-20 |
| DE2505254A1 (en) | 1976-07-29 |
| DE2505254C2 (en) | 1987-11-19 |
| IT1053401B (en) | 1981-08-31 |
| JPS5199695A (en) | 1976-09-02 |
| CH614127A5 (en) | 1979-11-15 |