CN103319447B - 一种呫吨-9-羧酸的制备方法 - Google Patents
一种呫吨-9-羧酸的制备方法 Download PDFInfo
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- CN103319447B CN103319447B CN201310241988.6A CN201310241988A CN103319447B CN 103319447 B CN103319447 B CN 103319447B CN 201310241988 A CN201310241988 A CN 201310241988A CN 103319447 B CN103319447 B CN 103319447B
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- xanthene
- carboxylic acid
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CN201310241988.6A CN103319447B (zh) | 2013-06-18 | 2013-06-18 | 一种呫吨-9-羧酸的制备方法 |
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CN201310241988.6A CN103319447B (zh) | 2013-06-18 | 2013-06-18 | 一种呫吨-9-羧酸的制备方法 |
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CN103319447A CN103319447A (zh) | 2013-09-25 |
CN103319447B true CN103319447B (zh) | 2015-05-20 |
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CN109942368A (zh) * | 2019-03-18 | 2019-06-28 | 莱阳市盛华电子材料有限公司 | 一种4-溴丙基苯的合成方法 |
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GB739181A (en) * | 1953-02-06 | 1955-10-26 | James George Gaunt | Process for the production of xanthene carboxylic acid |
CN1053443C (zh) * | 1995-12-05 | 2000-06-14 | 五洲药厂 | 一种溴化丙胺太林及其中间体呫吨-9-羧酸的制备方法 |
PL211061B1 (pl) * | 2002-12-23 | 2012-04-30 | Hoffmann La Roche | Pochodne oksazolu, sposób ich wytwarzania, ich zastosowanie i kompozycja farmaceutyczna |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: CHINA ENERGY CONSERVATION VALIANT CO., LTD. Free format text: FORMER NAME: |
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CP01 | Change in the name or title of a patent holder |
Address after: 264006 Shandong city of Yantai Province Economic and Technological Development Zone Wuzhi Mountain Road No. 11 Patentee after: VALIANT Co.,Ltd. Address before: 264006 Shandong city of Yantai Province Economic and Technological Development Zone Wuzhi Mountain Road No. 11 Patentee before: Yantai Valiant Fine Chemicals Co.,Ltd. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A preparation method of xanthene-9-carboxylic acid Effective date of registration: 20211202 Granted publication date: 20150520 Pledgee: Yantai Branch of China Merchants Bank Co.,Ltd. Pledgor: VALIANT Co.,Ltd. Registration number: Y2021980013807 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220823 Granted publication date: 20150520 Pledgee: Yantai Branch of China Merchants Bank Co.,Ltd. Pledgor: VALIANT Co.,Ltd. Registration number: Y2021980013807 |