CN1304508C - Process for removing insoluble matter in solution of polycolophony methylbenzene - Google Patents
Process for removing insoluble matter in solution of polycolophony methylbenzene Download PDFInfo
- Publication number
- CN1304508C CN1304508C CNB2005101307959A CN200510130795A CN1304508C CN 1304508 C CN1304508 C CN 1304508C CN B2005101307959 A CNB2005101307959 A CN B2005101307959A CN 200510130795 A CN200510130795 A CN 200510130795A CN 1304508 C CN1304508 C CN 1304508C
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- CN
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- Prior art keywords
- solution
- rosin
- polymerized rosin
- solvent
- insoluble
- 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.)
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Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005101307959A CN1304508C (en) | 2005-12-30 | 2005-12-30 | Process for removing insoluble matter in solution of polycolophony methylbenzene |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005101307959A CN1304508C (en) | 2005-12-30 | 2005-12-30 | Process for removing insoluble matter in solution of polycolophony methylbenzene |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1793260A CN1793260A (en) | 2006-06-28 |
CN1304508C true CN1304508C (en) | 2007-03-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005101307959A Expired - Fee Related CN1304508C (en) | 2005-12-30 | 2005-12-30 | Process for removing insoluble matter in solution of polycolophony methylbenzene |
Country Status (1)
Country | Link |
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CN (1) | CN1304508C (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1105378A (en) * | 1993-11-17 | 1995-07-19 | 中国林业科学研究院林产化学工业研究所 | High-output non-acid-residue process for preparing poly-rosin |
CN1583923A (en) * | 2004-06-15 | 2005-02-23 | 云安县晟达松脂化工(厂)有限公司 | Producing method for high softening point polymer resin |
-
2005
- 2005-12-30 CN CNB2005101307959A patent/CN1304508C/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1105378A (en) * | 1993-11-17 | 1995-07-19 | 中国林业科学研究院林产化学工业研究所 | High-output non-acid-residue process for preparing poly-rosin |
CN1583923A (en) * | 2004-06-15 | 2005-02-23 | 云安县晟达松脂化工(厂)有限公司 | Producing method for high softening point polymer resin |
Also Published As
Publication number | Publication date |
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CN1793260A (en) | 2006-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tianjin Hexingtan Chemical Co., Ltd. Assignor: University of Science and Technology Beijing Contract record no.: 2010120000066 Denomination of invention: Process for removing insoluble matter in solution of polycolophony methylbenzene Granted publication date: 20070314 License type: Exclusive License Open date: 20060628 Record date: 20100613 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070314 Termination date: 20141230 |
|
EXPY | Termination of patent right or utility model |