CN1189521C - 一种无致癌性的单偶氮酸性蓝染料及其应用 - Google Patents
一种无致癌性的单偶氮酸性蓝染料及其应用 Download PDFInfo
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- CN1189521C CN1189521C CN 02151142 CN02151142A CN1189521C CN 1189521 C CN1189521 C CN 1189521C CN 02151142 CN02151142 CN 02151142 CN 02151142 A CN02151142 A CN 02151142A CN 1189521 C CN1189521 C CN 1189521C
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- dye
- dyeing
- dyestuff
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- acid blue
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Application Number | Priority Date | Filing Date | Title |
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CN 02151142 CN1189521C (zh) | 2002-12-06 | 2002-12-06 | 一种无致癌性的单偶氮酸性蓝染料及其应用 |
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CN 02151142 CN1189521C (zh) | 2002-12-06 | 2002-12-06 | 一种无致癌性的单偶氮酸性蓝染料及其应用 |
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CN 200410079059 Division CN1268688C (zh) | 2002-12-06 | 2002-12-06 | 一种无致癌性的单偶氮酸性蓝染料及其应用 |
Publications (2)
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CN1421492A CN1421492A (zh) | 2003-06-04 |
CN1189521C true CN1189521C (zh) | 2005-02-16 |
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CN 02151142 Expired - Fee Related CN1189521C (zh) | 2002-12-06 | 2002-12-06 | 一种无致癌性的单偶氮酸性蓝染料及其应用 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101177546B (zh) * | 2007-11-30 | 2011-02-23 | 上虞新晟化工工业有限公司 | 一种酸性蓝染料组合物 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105038296B (zh) * | 2015-07-02 | 2017-08-25 | 沈阳化工研究院有限公司 | 一种杂环偶氮染料的制备方法 |
CN114958026B (zh) * | 2022-05-30 | 2023-05-23 | 金华双宏化工有限公司 | 改进型三偶氮红色酸性染料及其制备方法 |
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2002
- 2002-12-06 CN CN 02151142 patent/CN1189521C/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101177546B (zh) * | 2007-11-30 | 2011-02-23 | 上虞新晟化工工业有限公司 | 一种酸性蓝染料组合物 |
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CN1421492A (zh) | 2003-06-04 |
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Legal Events
Date | Code | Title | Description |
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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: Jiangsu Yuanzheng Chemical Co., Ltd. Assignor: East China University of Science and Technology Contract fulfillment period: 2009.7.21 to 2014.7.21 contract change Contract record no.: 2009310000150 Denomination of invention: Monoazo acidic blue dyestuff having no carcinogenidity and its application Granted publication date: 20050216 License type: Exclusive license Record date: 2009.8.4 |
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LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.7.21 TO 2014.7.21; CHANGE OF CONTRACT Name of requester: JIANGSU YUANZHENG CHEMICAL INDUSTRY CO., LTD. Effective date: 20090804 |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050216 Termination date: 20141206 |
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EXPY | Termination of patent right or utility model |