DE69320973T2 - Multifunctional viscosity index improvers - Google Patents
Multifunctional viscosity index improversInfo
- Publication number
- DE69320973T2 DE69320973T2 DE1993620973 DE69320973T DE69320973T2 DE 69320973 T2 DE69320973 T2 DE 69320973T2 DE 1993620973 DE1993620973 DE 1993620973 DE 69320973 T DE69320973 T DE 69320973T DE 69320973 T2 DE69320973 T2 DE 69320973T2
- Authority
- DE
- Germany
- Prior art keywords
- viscosity index
- index improvers
- multifunctional viscosity
- multifunctional
- improvers
- 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 |
---|---|---|---|
EP93310501A EP0659772B1 (en) | 1990-08-24 | 1993-12-23 | Multifunctional viscosity index improvers |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69320973D1 DE69320973D1 (en) | 1998-10-15 |
DE69320973T2 true DE69320973T2 (en) | 1999-05-12 |
Family
ID=8214651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1993620973 Expired - Fee Related DE69320973T2 (en) | 1993-12-23 | 1993-12-23 | Multifunctional viscosity index improvers |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE69320973T2 (en) |
-
1993
- 1993-12-23 DE DE1993620973 patent/DE69320973T2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69320973D1 (en) | 1998-10-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |