CN102276490A - 一种对氨甲基苯甲酸催化加氢制备止血环酸的方法 - Google Patents
一种对氨甲基苯甲酸催化加氢制备止血环酸的方法 Download PDFInfo
- Publication number
- CN102276490A CN102276490A CN2011101814145A CN201110181414A CN102276490A CN 102276490 A CN102276490 A CN 102276490A CN 2011101814145 A CN2011101814145 A CN 2011101814145A CN 201110181414 A CN201110181414 A CN 201110181414A CN 102276490 A CN102276490 A CN 102276490A
- Authority
- CN
- China
- Prior art keywords
- acid
- catalyzer
- benzoic acid
- tranamic
- prepares
- 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.)
- Granted
Links
- 229960003375 aminomethylbenzoic acid Drugs 0.000 title claims abstract description 36
- QCTBMLYLENLHLA-UHFFFAOYSA-N aminomethylbenzoic acid Chemical compound NCC1=CC=C(C(O)=O)C=C1 QCTBMLYLENLHLA-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009903 catalytic hydrogenation reaction Methods 0.000 title abstract description 7
- GYDJEQRTZSCIOI-LJGSYFOKSA-N tranexamic acid Chemical compound NC[C@H]1CC[C@H](C(O)=O)CC1 GYDJEQRTZSCIOI-LJGSYFOKSA-N 0.000 title abstract 3
- 229960000401 tranexamic acid Drugs 0.000 title abstract 3
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 239000001257 hydrogen Substances 0.000 claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 22
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 6
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 6
- 239000002253 acid Substances 0.000 claims description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- UAFHRUBCOQPFFM-UHFFFAOYSA-N 1-(aminomethyl)cyclohexane-1-carboxylic acid Chemical compound NCC1(C(O)=O)CCCCC1 UAFHRUBCOQPFFM-UHFFFAOYSA-N 0.000 claims description 18
- 238000004904 shortening Methods 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 8
- 239000003643 water by type Substances 0.000 claims description 7
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 5
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 5
- 238000006555 catalytic reaction Methods 0.000 claims description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- 230000002829 reductive effect Effects 0.000 claims description 5
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 abstract description 12
- 230000035484 reaction time Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- 230000009466 transformation Effects 0.000 description 7
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 208000032843 Hemorrhage Diseases 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 239000010970 precious metal Substances 0.000 description 3
- 229910052703 rhodium Inorganic materials 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- YKIOKAURTKXMSB-UHFFFAOYSA-N adams's catalyst Chemical compound O=[Pt]=O YKIOKAURTKXMSB-UHFFFAOYSA-N 0.000 description 2
- -1 aminomethyl phenyl Chemical group 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- XUYPXLNMDZIRQH-LURJTMIESA-N N-acetyl-L-methionine Chemical compound CSCC[C@@H](C(O)=O)NC(C)=O XUYPXLNMDZIRQH-LURJTMIESA-N 0.000 description 1
- 229910002845 Pt–Ni Inorganic materials 0.000 description 1
- 229910002848 Pt–Ru Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 125000004202 aminomethyl group Chemical group [H]N([H])C([H])([H])* 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 150000001559 benzoic acids Chemical class 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001723 fibrinogenic effect Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 235000012204 lemonade/lime carbonate Nutrition 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 229930182817 methionine Natural products 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 231100000004 severe toxicity Toxicity 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims (4)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410079178.XA CN103819353B (zh) | 2011-06-30 | 2011-06-30 | 产率高的对氨甲基苯甲酸催化加氢制备止血环酸的方法 |
CN201110181414.5A CN102276490B (zh) | 2011-06-30 | 2011-06-30 | 一种对氨甲基苯甲酸催化加氢制备止血环酸的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110181414.5A CN102276490B (zh) | 2011-06-30 | 2011-06-30 | 一种对氨甲基苯甲酸催化加氢制备止血环酸的方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410079178.XA Division CN103819353B (zh) | 2011-06-30 | 2011-06-30 | 产率高的对氨甲基苯甲酸催化加氢制备止血环酸的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102276490A true CN102276490A (zh) | 2011-12-14 |
CN102276490B CN102276490B (zh) | 2014-03-19 |
Family
ID=45102281
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410079178.XA Active CN103819353B (zh) | 2011-06-30 | 2011-06-30 | 产率高的对氨甲基苯甲酸催化加氢制备止血环酸的方法 |
CN201110181414.5A Active CN102276490B (zh) | 2011-06-30 | 2011-06-30 | 一种对氨甲基苯甲酸催化加氢制备止血环酸的方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410079178.XA Active CN103819353B (zh) | 2011-06-30 | 2011-06-30 | 产率高的对氨甲基苯甲酸催化加氢制备止血环酸的方法 |
Country Status (1)
Country | Link |
---|---|
CN (2) | CN103819353B (zh) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103172528A (zh) * | 2011-12-23 | 2013-06-26 | 烟台万润精细化工股份有限公司 | 一种氨甲环酸的制备方法 |
CN104086452A (zh) * | 2014-07-23 | 2014-10-08 | 常州亚邦齐晖医药化工有限公司 | 一种催化加氢制备高纯度(3,4-二氨基苯基)(4-氟苯基)酮的方法 |
CN104151183A (zh) * | 2014-07-29 | 2014-11-19 | 浙江工业大学 | 一种4-乙酰氨甲基环己基甲酸甲酯的制备方法 |
CN106816606A (zh) * | 2017-01-19 | 2017-06-09 | 广西师范大学 | 一种凹立方体PtLa合金纳米晶催化剂的制备与应用 |
CN107954887A (zh) * | 2017-11-27 | 2018-04-24 | 常州寅盛药业有限公司 | 一种制备氨甲环酸的方法 |
CN108689870A (zh) * | 2018-07-30 | 2018-10-23 | 周道平 | 一种氨甲环酸的制备方法 |
CN109713323A (zh) * | 2018-11-27 | 2019-05-03 | 浙江大学 | 一种PtNi/C合金催化剂的制备方法 |
CN111574388A (zh) * | 2020-06-18 | 2020-08-25 | 安徽鼎旺医药有限公司 | 一种氨甲环酸及其制备方法 |
CN113042040A (zh) * | 2021-03-26 | 2021-06-29 | 白云山东泰商丘药业有限公司 | 一种铂碳催化剂及用铂碳催化剂制备氨甲环酸的方法 |
CN114014768A (zh) * | 2021-12-03 | 2022-02-08 | 南京科瑞健医药科技有限公司 | 一种无钡盐杂质的氨甲环酸及其制备方法和制剂组合物 |
CN115778896A (zh) * | 2022-12-01 | 2023-03-14 | 湖南洞庭药业股份有限公司 | 氨甲环酸注射液及其制法和用途 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114380707B (zh) * | 2022-01-20 | 2024-07-26 | 南京科瑞健医药科技有限公司 | 一种反式氨甲环酸的制备方法 |
CN115445665B (zh) * | 2022-08-29 | 2023-10-13 | 江西师范大学 | 一种用于水合肼分解产氢的复合纳米催化剂及其制备方法和应用 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2084145A (en) * | 1980-09-17 | 1982-04-07 | Kureha Chemical Ind Co Ltd | Process for preparing 4-aminomethylcyclohexanecarboxylic acid or mineral acid salt thereof |
CN1524847A (zh) * | 2003-02-28 | 2004-09-01 | 湖南洞庭药业股份有限公司 | 止血环酸的生产方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5512894B2 (zh) * | 1972-10-02 | 1980-04-04 | ||
US4048222A (en) * | 1974-03-04 | 1977-09-13 | Kureha Kagaku Kogyo Kabushiki Kaisha | Process for preparing trans-4-aminomethyl-cyclohexane-1-carboxylic acid |
CN100553768C (zh) * | 2006-05-12 | 2009-10-28 | 中国科学院大连化学物理研究所 | 一种担载型和非担载型催化剂及制备方法 |
-
2011
- 2011-06-30 CN CN201410079178.XA patent/CN103819353B/zh active Active
- 2011-06-30 CN CN201110181414.5A patent/CN102276490B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2084145A (en) * | 1980-09-17 | 1982-04-07 | Kureha Chemical Ind Co Ltd | Process for preparing 4-aminomethylcyclohexanecarboxylic acid or mineral acid salt thereof |
CN1524847A (zh) * | 2003-02-28 | 2004-09-01 | 湖南洞庭药业股份有限公司 | 止血环酸的生产方法 |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103172528A (zh) * | 2011-12-23 | 2013-06-26 | 烟台万润精细化工股份有限公司 | 一种氨甲环酸的制备方法 |
CN103172528B (zh) * | 2011-12-23 | 2014-10-08 | 烟台万润精细化工股份有限公司 | 一种氨甲环酸的制备方法 |
CN104086452A (zh) * | 2014-07-23 | 2014-10-08 | 常州亚邦齐晖医药化工有限公司 | 一种催化加氢制备高纯度(3,4-二氨基苯基)(4-氟苯基)酮的方法 |
CN104086452B (zh) * | 2014-07-23 | 2016-04-06 | 常州齐晖药业有限公司 | 一种催化加氢制备高纯度(3,4-二氨基苯基)(4-氟苯基)酮的方法 |
CN104151183A (zh) * | 2014-07-29 | 2014-11-19 | 浙江工业大学 | 一种4-乙酰氨甲基环己基甲酸甲酯的制备方法 |
CN104151183B (zh) * | 2014-07-29 | 2016-04-13 | 浙江工业大学 | 一种4-乙酰氨甲基环己基甲酸甲酯的制备方法 |
CN106816606B (zh) * | 2017-01-19 | 2019-06-07 | 广西师范大学 | 一种凹立方体PtLa合金纳米晶催化剂的制备与应用 |
CN106816606A (zh) * | 2017-01-19 | 2017-06-09 | 广西师范大学 | 一种凹立方体PtLa合金纳米晶催化剂的制备与应用 |
CN107954887A (zh) * | 2017-11-27 | 2018-04-24 | 常州寅盛药业有限公司 | 一种制备氨甲环酸的方法 |
CN107954887B (zh) * | 2017-11-27 | 2020-02-21 | 常州寅盛药业有限公司 | 一种制备氨甲环酸的方法 |
CN108689870B (zh) * | 2018-07-30 | 2020-12-18 | 周道平 | 一种氨甲环酸的制备方法 |
CN108689870A (zh) * | 2018-07-30 | 2018-10-23 | 周道平 | 一种氨甲环酸的制备方法 |
CN109713323A (zh) * | 2018-11-27 | 2019-05-03 | 浙江大学 | 一种PtNi/C合金催化剂的制备方法 |
CN109713323B (zh) * | 2018-11-27 | 2021-02-09 | 浙江大学 | 一种PtNi/C合金催化剂的制备方法 |
CN111574388A (zh) * | 2020-06-18 | 2020-08-25 | 安徽鼎旺医药有限公司 | 一种氨甲环酸及其制备方法 |
CN113042040A (zh) * | 2021-03-26 | 2021-06-29 | 白云山东泰商丘药业有限公司 | 一种铂碳催化剂及用铂碳催化剂制备氨甲环酸的方法 |
CN113042040B (zh) * | 2021-03-26 | 2023-07-28 | 白云山东泰商丘药业有限公司 | 一种用铂碳催化剂制备氨甲环酸的方法 |
CN114014768A (zh) * | 2021-12-03 | 2022-02-08 | 南京科瑞健医药科技有限公司 | 一种无钡盐杂质的氨甲环酸及其制备方法和制剂组合物 |
CN115778896A (zh) * | 2022-12-01 | 2023-03-14 | 湖南洞庭药业股份有限公司 | 氨甲环酸注射液及其制法和用途 |
CN115778896B (zh) * | 2022-12-01 | 2024-04-02 | 湖南洞庭药业股份有限公司 | 氨甲环酸注射液及其制法和用途 |
Also Published As
Publication number | Publication date |
---|---|
CN103819353A (zh) | 2014-05-28 |
CN102276490B (zh) | 2014-03-19 |
CN103819353B (zh) | 2015-07-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102276490B (zh) | 一种对氨甲基苯甲酸催化加氢制备止血环酸的方法 | |
CN111330629B (zh) | 一种间苯二甲胺加氢催化剂及其制备方法和应用 | |
CN101549292B (zh) | 一种苯环加氢合成环己烯催化剂及其制备方法 | |
CN106694010B (zh) | 一种用于炔醇半加氢制烯醇的催化剂及其制备方法 | |
CN103193736A (zh) | 一种催化加氢合成γ-戊内酯的方法 | |
CN101670301B (zh) | 一种加氢用负载型催化剂的制备方法 | |
CN102941093B (zh) | 萘加氢制备十氢萘的催化剂及制备方法和应用 | |
CN105251482A (zh) | 一种苯甲酸加氢合成环己基甲酸的钌钯/炭催化剂及其制法与应用 | |
CN106391001A (zh) | 活性炭负载的钌‑铂双金属复合催化剂及制备方法与应用 | |
CN110743544A (zh) | 一种苯乙酮选择加氢制备α-苯乙醇用钯炭催化剂及其制备方法与应用 | |
CN105080567A (zh) | 催化剂以及芳香氨基化合物的制备方法 | |
CN1915958A (zh) | 对苯二甲酸经苯环加氢制1,4-环己烷二甲酸的方法 | |
CN106543017B (zh) | 一种4‑氨基‑环己乙酸的制备方法 | |
CN108970632A (zh) | 一种高效合成dbe的负载型双金属催化剂及其制备方法 | |
CN110665505B (zh) | 一种高效催化乙酰丙酸加氢制γ-戊内酯的Cu@mZrO2核壳催化剂及应用 | |
CN113042040B (zh) | 一种用铂碳催化剂制备氨甲环酸的方法 | |
CN102872862A (zh) | 一种载体型铂钌催化剂及在芳香硝基化合物加氢中的应用 | |
CN111111655B (zh) | 用于1,4-丁炔二醇选择性加氢非均相催化剂的制备方法 | |
CN113578346A (zh) | 一种铜/银合金纳米催化剂及其制备方法和应用 | |
CN1915494A (zh) | 对苯二甲酸或对苯二甲酸二甲酯苯环加氢的催化剂 | |
CN114367282A (zh) | 一种催化剂及其制备方法和应用 | |
CN113548944A (zh) | 一种由苯甲醛催化加氢制备苯甲醇的方法 | |
CN110639552A (zh) | 一种连续化生产2b油的铂基复合炭铝催化剂和方法 | |
CN102344378B (zh) | 一种水性氨基酸制备氨基醇的方法 | |
CN102617328A (zh) | 氢化肉桂酸的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for preparing tranexamic acid from para-aminomethylbenzoic acid by catalytic hydrogenation Effective date of registration: 20160613 Granted publication date: 20140319 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Yinsheng Pharmaceutical Co.,Ltd. Registration number: 2016990000496 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
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: 20170601 Granted publication date: 20140319 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Yinsheng Pharmaceutical Co.,Ltd. Registration number: 2016990000496 |
|
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: Method for preparing tranexamic acid from para-aminomethylbenzoic acid by catalytic hydrogenation Effective date of registration: 20170601 Granted publication date: 20140319 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Yinsheng Pharmaceutical Co.,Ltd. Registration number: 2017990000451 |
|
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: 20180713 Granted publication date: 20140319 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Yinsheng Pharmaceutical Co.,Ltd. Registration number: 2017990000451 |
|
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: Method for preparing tranexamic acid from para-aminomethylbenzoic acid by catalytic hydrogenation Effective date of registration: 20180718 Granted publication date: 20140319 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Yinsheng Pharmaceutical Co.,Ltd. Registration number: 2018990000568 |
|
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: 20190711 Granted publication date: 20140319 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Yinsheng Pharmaceutical Co.,Ltd. Registration number: 2018990000568 |
|
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: Method for preparing tranexamic acid from para-aminomethylbenzoic acid by catalytic hydrogenation Effective date of registration: 20190801 Granted publication date: 20140319 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Yinsheng Pharmaceutical Co.,Ltd. Registration number: 2019990000831 |