PL337475A1 - Method of obtaining high-purity bisphenol a - Google Patents
Method of obtaining high-purity bisphenol aInfo
- Publication number
- PL337475A1 PL337475A1 PL33747599A PL33747599A PL337475A1 PL 337475 A1 PL337475 A1 PL 337475A1 PL 33747599 A PL33747599 A PL 33747599A PL 33747599 A PL33747599 A PL 33747599A PL 337475 A1 PL337475 A1 PL 337475A1
- Authority
- PL
- Poland
- Prior art keywords
- obtaining high
- purity bisphenol
- bisphenol
- purity
- obtaining
- Prior art date
Links
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL337475A PL196503B1 (en) | 1999-12-23 | 1999-12-23 | Method of obtaining high-purity bisphenol a |
CN 00118372 CN1300729A (en) | 1999-12-23 | 2000-06-15 | Preparation of high purity bisphenol A |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL337475A PL196503B1 (en) | 1999-12-23 | 1999-12-23 | Method of obtaining high-purity bisphenol a |
Publications (2)
Publication Number | Publication Date |
---|---|
PL337475A1 true PL337475A1 (en) | 2001-07-02 |
PL196503B1 PL196503B1 (en) | 2008-01-31 |
Family
ID=20075733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL337475A PL196503B1 (en) | 1999-12-23 | 1999-12-23 | Method of obtaining high-purity bisphenol a |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN1300729A (en) |
PL (1) | PL196503B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005030687A1 (en) | 2003-09-28 | 2005-04-07 | China Petroleum & Chemical Corporation | Method for preparing bisphenol a |
CN101525275B (en) * | 2009-04-10 | 2012-05-23 | 南通星辰合成材料有限公司 | Method for circularly enhancing bisphenol A concentration and reducing energy consumption by utilizing reaction solution |
-
1999
- 1999-12-23 PL PL337475A patent/PL196503B1/en not_active IP Right Cessation
-
2000
- 2000-06-15 CN CN 00118372 patent/CN1300729A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
PL196503B1 (en) | 2008-01-31 |
CN1300729A (en) | 2001-06-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Decisions on the lapse of the protection rights |
Effective date: 20101223 |