CN105158384A - Gas chromatography examination method of 4-ethoxy-2,3-difluorobenzene - Google Patents
Gas chromatography examination method of 4-ethoxy-2,3-difluorobenzene Download PDFInfo
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- CN105158384A CN105158384A CN201510404315.7A CN201510404315A CN105158384A CN 105158384 A CN105158384 A CN 105158384A CN 201510404315 A CN201510404315 A CN 201510404315A CN 105158384 A CN105158384 A CN 105158384A
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- difluorobenzene
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CN201510404315.7A CN105158384B (en) | 2015-07-09 | 2015-07-09 | A kind of gas chromatogram method of inspection of 4-ethyoxyl-2,3-difluorobenzene |
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CN201510404315.7A CN105158384B (en) | 2015-07-09 | 2015-07-09 | A kind of gas chromatogram method of inspection of 4-ethyoxyl-2,3-difluorobenzene |
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CN105158384A true CN105158384A (en) | 2015-12-16 |
CN105158384B CN105158384B (en) | 2016-10-26 |
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CN201510404315.7A Active CN105158384B (en) | 2015-07-09 | 2015-07-09 | A kind of gas chromatogram method of inspection of 4-ethyoxyl-2,3-difluorobenzene |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105842354A (en) * | 2016-03-18 | 2016-08-10 | 蚌埠市产品质量监督检测中心 | 3,4,5-trifluorobromobenzene gas chromatography detection method |
CN111929369A (en) * | 2019-05-13 | 2020-11-13 | 定远县云森科技有限公司 | Method for measuring sulfur content in high-pressure sulfurized isobutylene by gas chromatography |
-
2015
- 2015-07-09 CN CN201510404315.7A patent/CN105158384B/en active Active
Non-Patent Citations (3)
Title |
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尚洪勇 等: "多氟二苯乙炔类负性液晶化合物的合成", 《液晶与显示》 * |
王平 等: "1-溴-4-乙氧基-2, 3-二氟苯的合成", 《应用化工》 * |
高丰琴 等: "4-乙氧基-2,3-二氟苯乙酸的合成及副产物研究", 《精细化工》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105842354A (en) * | 2016-03-18 | 2016-08-10 | 蚌埠市产品质量监督检测中心 | 3,4,5-trifluorobromobenzene gas chromatography detection method |
CN111929369A (en) * | 2019-05-13 | 2020-11-13 | 定远县云森科技有限公司 | Method for measuring sulfur content in high-pressure sulfurized isobutylene by gas chromatography |
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CN105158384B (en) | 2016-10-26 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Gas chromatography examination method of 4-ethoxy-2,3-difluorobenzene Effective date of registration: 20170728 Granted publication date: 20161026 Pledgee: Bengbu financing guarantee Group Co., Ltd. Pledgor: China Synchem Technology Co., Ltd. Registration number: 2017340000130 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Date of cancellation: 20180813 Granted publication date: 20161026 Pledgee: Bengbu financing guarantee Group Co., Ltd. Pledgor: China Synchem Technology Co., Ltd. Registration number: 2017340000130 |
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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: Gas chromatography examination method of 4-ethoxy-2,3-difluorobenzene Effective date of registration: 20191008 Granted publication date: 20161026 Pledgee: CITIC Bank Limited by Share Ltd Bengbu branch Pledgor: China Synchem Technology Co., Ltd. Registration number: Y2019340000102 |
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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: 20210115 Granted publication date: 20161026 Pledgee: CITIC Bank Limited by Share Ltd. Bengbu branch Pledgor: CHINA SYNCHEM TECHNOLOGY Co.,Ltd. Registration number: Y2019340000102 |