CA1143367A - Diffusion element - Google Patents
Diffusion elementInfo
- Publication number
- CA1143367A CA1143367A CA000345502A CA345502A CA1143367A CA 1143367 A CA1143367 A CA 1143367A CA 000345502 A CA000345502 A CA 000345502A CA 345502 A CA345502 A CA 345502A CA 1143367 A CA1143367 A CA 1143367A
- Authority
- CA
- Canada
- Prior art keywords
- element according
- diffusion element
- zone
- diffusion
- gas discharge
- 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.)
- Expired
Links
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000345502A CA1143367A (en) | 1980-02-12 | 1980-02-12 | Diffusion element |
DE69428457T DE69428457D1 (de) | 1980-02-12 | 1994-01-06 | 1,4-benzoxazin-2-essigsäureverbindung, verfahren zu ihrer herstellung und ihre verwendung |
AT94903999T ATE206121T1 (de) | 1980-02-12 | 1994-01-06 | 1,4-benzoxazin-2-essigsäureverbindung, verfahren zu ihrer herstellung und ihre verwendung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000345502A CA1143367A (en) | 1980-02-12 | 1980-02-12 | Diffusion element |
PCT/JP1994/000005 WO1995018805A1 (fr) | 1992-09-21 | 1994-01-06 | Compose d'acide 1,4-benzoxazine-2-acetic, son procede de production et son utilisation |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1143367A true CA1143367A (en) | 1983-03-22 |
Family
ID=37709769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000345502A Expired CA1143367A (en) | 1980-02-12 | 1980-02-12 | Diffusion element |
Country Status (3)
Country | Link |
---|---|
AT (1) | ATE206121T1 (de) |
CA (1) | CA1143367A (de) |
DE (1) | DE69428457D1 (de) |
-
1980
- 1980-02-12 CA CA000345502A patent/CA1143367A/en not_active Expired
-
1994
- 1994-01-06 AT AT94903999T patent/ATE206121T1/de not_active IP Right Cessation
- 1994-01-06 DE DE69428457T patent/DE69428457D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69428457D1 (de) | 2001-10-31 |
ATE206121T1 (de) | 2001-10-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |