CN106389341A - Penfluridol polyanhydride pellet and penfluridol long-acting controlled release tablet as well as preparation method of penfluridol long-acting controlled release tablet - Google Patents
Penfluridol polyanhydride pellet and penfluridol long-acting controlled release tablet as well as preparation method of penfluridol long-acting controlled release tablet Download PDFInfo
- Publication number
- CN106389341A CN106389341A CN201610804611.0A CN201610804611A CN106389341A CN 106389341 A CN106389341 A CN 106389341A CN 201610804611 A CN201610804611 A CN 201610804611A CN 106389341 A CN106389341 A CN 106389341A
- Authority
- CN
- China
- Prior art keywords
- penfluridol
- long
- controlled release
- acting controlled
- fumaric acid
- 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
- MDLAAYDRRZXJIF-UHFFFAOYSA-N 1-[4,4-bis(4-fluorophenyl)butyl]-4-[4-chloro-3-(trifluoromethyl)phenyl]-4-piperidinol Chemical compound C1CC(O)(C=2C=C(C(Cl)=CC=2)C(F)(F)F)CCN1CCCC(C=1C=CC(F)=CC=1)C1=CC=C(F)C=C1 MDLAAYDRRZXJIF-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 229960004505 penfluridol Drugs 0.000 title claims abstract description 102
- 238000013270 controlled release Methods 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 33
- 229920002732 Polyanhydride Polymers 0.000 title abstract 5
- 239000008188 pellet Substances 0.000 title abstract 4
- 239000003814 drug Substances 0.000 claims abstract description 11
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
- 229940079593 drug Drugs 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims abstract description 5
- 229920002472 Starch Polymers 0.000 claims abstract description 5
- 229930006000 Sucrose Natural products 0.000 claims abstract description 5
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims abstract description 5
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims abstract description 5
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims abstract description 5
- 235000019359 magnesium stearate Nutrition 0.000 claims abstract description 5
- 239000008107 starch Substances 0.000 claims abstract description 5
- 235000019698 starch Nutrition 0.000 claims abstract description 5
- 150000004676 glycans Chemical class 0.000 claims abstract description 3
- 229920001282 polysaccharide Polymers 0.000 claims abstract description 3
- 239000005017 polysaccharide Substances 0.000 claims abstract description 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 84
- 239000001530 fumaric acid Substances 0.000 claims description 42
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 42
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 39
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 32
- 239000011248 coating agent Substances 0.000 claims description 28
- 238000000576 coating method Methods 0.000 claims description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 6
- 239000004375 Dextrin Substances 0.000 claims description 5
- 229920001353 Dextrin Polymers 0.000 claims description 5
- 235000019425 dextrin Nutrition 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 229960004793 sucrose Drugs 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 4
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 claims description 3
- 239000003405 delayed action preparation Substances 0.000 claims description 3
- 239000008101 lactose Substances 0.000 claims description 3
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims description 2
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims description 2
- 239000008108 microcrystalline cellulose Substances 0.000 claims description 2
- 229940016286 microcrystalline cellulose Drugs 0.000 claims description 2
- 239000004531 microgranule Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 201000000980 schizophrenia Diseases 0.000 abstract description 4
- 201000010099 disease Diseases 0.000 abstract description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 2
- 206010037218 Psychopathic personality Diseases 0.000 abstract 2
- MJRDZKSKNYIAHZ-WLHGVMLRSA-N (e)-but-2-enedioic acid;decanedioic acid Chemical compound OC(=O)\C=C\C(O)=O.OC(=O)CCCCCCCCC(O)=O MJRDZKSKNYIAHZ-WLHGVMLRSA-N 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000005720 sucrose Substances 0.000 abstract 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 14
- 239000000243 solution Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000004821 distillation Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 208000028017 Psychotic disease Diseases 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 241000165940 Houjia Species 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000009231 family therapy Methods 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 210000002784 stomach Anatomy 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 230000003442 weekly effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 208000019505 Deglutition disease Diseases 0.000 description 1
- 208000012661 Dyskinesia Diseases 0.000 description 1
- 208000027776 Extrapyramidal disease Diseases 0.000 description 1
- 208000002038 Muscle Hypertonia Diseases 0.000 description 1
- 206010034010 Parkinsonism Diseases 0.000 description 1
- 206010039424 Salivary hypersecretion Diseases 0.000 description 1
- 208000008630 Sialorrhea Diseases 0.000 description 1
- 208000001871 Tachycardia Diseases 0.000 description 1
- 206010043118 Tardive Dyskinesia Diseases 0.000 description 1
- 206010044074 Torticollis Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 230000000561 anti-psychotic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 235000015111 chews Nutrition 0.000 description 1
- 229940121657 clinical drug Drugs 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 208000010118 dystonia Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 235000013350 formula milk Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 208000018197 inherited torticollis Diseases 0.000 description 1
- 239000002502 liposome Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920000344 molecularly imprinted polymer Polymers 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 235000010603 pastilles Nutrition 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 239000008055 phosphate buffer solution Substances 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 108010064470 polyaspartate Proteins 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
- 230000006794 tachycardia Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/445—Non condensed piperidines, e.g. piperocaine
- A61K31/451—Non condensed piperidines, e.g. piperocaine having a carbocyclic group directly attached to the heterocyclic ring, e.g. glutethimide, meperidine, loperamide, phencyclidine, piminodine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/2031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2806—Coating materials
- A61K9/2833—Organic macromolecular compounds
- A61K9/286—Polysaccharides, e.g. gums; Cyclodextrin
- A61K9/2866—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610804611.0A CN106389341B (en) | 2016-09-06 | 2016-09-06 | Penfluridol polyanhydride pellet, penfluridol long-acting controlled-release tablet and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610804611.0A CN106389341B (en) | 2016-09-06 | 2016-09-06 | Penfluridol polyanhydride pellet, penfluridol long-acting controlled-release tablet and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106389341A true CN106389341A (en) | 2017-02-15 |
CN106389341B CN106389341B (en) | 2020-03-10 |
Family
ID=57998767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610804611.0A Active CN106389341B (en) | 2016-09-06 | 2016-09-06 | Penfluridol polyanhydride pellet, penfluridol long-acting controlled-release tablet and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106389341B (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101134012A (en) * | 2006-08-30 | 2008-03-05 | 王永峰 | Method for producing injectable drug administration preparations using mixed polyacid anhydride as the carrier for middle-size or small molecule medicament and application thereof |
CN101732311A (en) * | 2009-12-15 | 2010-06-16 | 苏春华 | Penfluridol-containing oral preparation and application thereof |
CN104546784A (en) * | 2014-12-31 | 2015-04-29 | 康普药业股份有限公司 | Penfluridol tablet composition and preparation method thereof |
-
2016
- 2016-09-06 CN CN201610804611.0A patent/CN106389341B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101134012A (en) * | 2006-08-30 | 2008-03-05 | 王永峰 | Method for producing injectable drug administration preparations using mixed polyacid anhydride as the carrier for middle-size or small molecule medicament and application thereof |
CN101732311A (en) * | 2009-12-15 | 2010-06-16 | 苏春华 | Penfluridol-containing oral preparation and application thereof |
CN104546784A (en) * | 2014-12-31 | 2015-04-29 | 康普药业股份有限公司 | Penfluridol tablet composition and preparation method thereof |
Non-Patent Citations (2)
Title |
---|
MATHIOWITZ E.,ET AL: ""Biologically erodable microspheres as potential oral drug delivery systems"", 《NATURE》 * |
周志彬 等: "聚酸酐控释制剂的研究进展", 《中国药学杂志》 * |
Also Published As
Publication number | Publication date |
---|---|
CN106389341B (en) | 2020-03-10 |
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Legal Events
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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 | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Pentafluorolido polyanhydride pellets and pentafluoroli long effect controlled release tablets and their preparation methods Effective date of registration: 20211228 Granted publication date: 20200310 Pledgee: China Everbright Bank Co.,Ltd. Shaoyang branch Pledgor: HUNAN ZHONGNAN PHARMACEUTICAL Co.,Ltd. Registration number: Y2021980016662 |
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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: 20230303 Granted publication date: 20200310 Pledgee: China Everbright Bank Co.,Ltd. Shaoyang branch Pledgor: HUNAN ZHONGNAN PHARMACEUTICAL Co.,Ltd. Registration number: Y2021980016662 |
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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: Pentafluoride polyanhydride pellets and Pentafluoride long-acting controlled release tablets and their preparation methods Effective date of registration: 20230322 Granted publication date: 20200310 Pledgee: China Everbright Bank Co.,Ltd. Shaoyang branch Pledgor: HUNAN ZHONGNAN PHARMACEUTICAL Co.,Ltd. Registration number: Y2023980035784 |
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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 |
Granted publication date: 20200310 Pledgee: China Everbright Bank Co.,Ltd. Shaoyang branch Pledgor: HUNAN ZHONGNAN PHARMACEUTICAL Co.,Ltd. Registration number: Y2023980035784 |
|
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: Pentafluoride polyanhydride microspheres and Pentafluoride long-acting controlled-release tablets and their preparation methods Granted publication date: 20200310 Pledgee: China Everbright Bank Co.,Ltd. Shaoyang branch Pledgor: HUNAN ZHONGNAN PHARMACEUTICAL Co.,Ltd. Registration number: Y2024980010311 |