KR100266733B1 - Spirobiindan compounds and polymers - Google Patents
Spirobiindan compounds and polymers Download PDFInfo
- Publication number
- KR100266733B1 KR100266733B1 KR1019990034018A KR19990034018A KR100266733B1 KR 100266733 B1 KR100266733 B1 KR 100266733B1 KR 1019990034018 A KR1019990034018 A KR 1019990034018A KR 19990034018 A KR19990034018 A KR 19990034018A KR 100266733 B1 KR100266733 B1 KR 100266733B1
- Authority
- KR
- South Korea
- Prior art keywords
- spirobiindan
- polymers
- compounds
- spirobiindan compounds
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990034018A KR100266733B1 (en) | 1996-07-31 | 1999-08-12 | Spirobiindan compounds and polymers |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20182596 | 1996-07-31 | ||
JP20461496 | 1996-08-02 | ||
JP20461596 | 1996-08-02 | ||
JP33183196 | 1996-12-12 | ||
JP33183296 | 1996-12-12 | ||
JP33183396 | 1996-12-12 | ||
KR1019970036743A KR100283962B1 (en) | 1996-07-31 | 1997-07-31 | Low Birefringence Organic Optical Components and Spirobyin-Stage Polymers |
KR1019990034018A KR100266733B1 (en) | 1996-07-31 | 1999-08-12 | Spirobiindan compounds and polymers |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100266733B1 true KR100266733B1 (en) | 2000-09-15 |
Family
ID=27566511
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990034018A KR100266733B1 (en) | 1996-07-31 | 1999-08-12 | Spirobiindan compounds and polymers |
KR1019990034017A KR100266734B1 (en) | 1996-07-31 | 1999-08-12 | Low birefringency organo optical parts |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990034017A KR100266734B1 (en) | 1996-07-31 | 1999-08-12 | Low birefringency organo optical parts |
Country Status (1)
Country | Link |
---|---|
KR (2) | KR100266733B1 (en) |
-
1999
- 1999-08-12 KR KR1019990034018A patent/KR100266733B1/en not_active IP Right Cessation
- 1999-08-12 KR KR1019990034017A patent/KR100266734B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100266734B1 (en) | 2000-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A107 | Divisional application of patent | ||
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |