DE69117507T2 - Lichtpolarisierendes Material auf Basis von Äthylendiaminpolyessigsäurederivaten - Google Patents
Lichtpolarisierendes Material auf Basis von ÄthylendiaminpolyessigsäurederivatenInfo
- Publication number
- DE69117507T2 DE69117507T2 DE1991617507 DE69117507T DE69117507T2 DE 69117507 T2 DE69117507 T2 DE 69117507T2 DE 1991617507 DE1991617507 DE 1991617507 DE 69117507 T DE69117507 T DE 69117507T DE 69117507 T2 DE69117507 T2 DE 69117507T2
- Authority
- DE
- Germany
- Prior art keywords
- acid derivatives
- ethylene diamine
- material based
- light polarizing
- polarizing material
- 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 - Fee Related
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP91402451A EP0532809B1 (de) | 1990-07-30 | 1991-09-16 | Lichtpolarisierendes Material auf Basis von Äthylendiaminpolyessigsäurederivaten |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69117507D1 DE69117507D1 (de) | 1996-04-04 |
DE69117507T2 true DE69117507T2 (de) | 1996-09-26 |
Family
ID=8208613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1991617507 Expired - Fee Related DE69117507T2 (de) | 1991-09-16 | 1991-09-16 | Lichtpolarisierendes Material auf Basis von Äthylendiaminpolyessigsäurederivaten |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE69117507T2 (de) |
-
1991
- 1991-09-16 DE DE1991617507 patent/DE69117507T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69117507D1 (de) | 1996-04-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: JUNG, SCHIRDEWAHN, GRUENBERG, SCHNEIDER PATENTANWAELTE |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: ADVOTEC. PATENT- UND RECHTSANWAELTE, 80538 MUENCHE |
|
8339 | Ceased/non-payment of the annual fee |