CA1075603A - Stable solutions of doxycycline in aqueous 2-pyrrolidone - Google Patents
Stable solutions of doxycycline in aqueous 2-pyrrolidoneInfo
- Publication number
- CA1075603A CA1075603A CA268,177A CA268177A CA1075603A CA 1075603 A CA1075603 A CA 1075603A CA 268177 A CA268177 A CA 268177A CA 1075603 A CA1075603 A CA 1075603A
- Authority
- CA
- Canada
- Prior art keywords
- doxycycline
- pyrrolidone
- weight
- solution
- magnesium
- 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.)
- Expired
Links
- 229960003722 doxycycline Drugs 0.000 title claims abstract description 33
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 title claims abstract description 33
- XQTWDDCIUJNLTR-CVHRZJFOSA-N doxycycline monohydrate Chemical compound O.O=C1C2=C(O)C=CC=C2[C@H](C)[C@@H]2C1=C(O)[C@]1(O)C(=O)C(C(N)=O)=C(O)[C@@H](N(C)C)[C@@H]1[C@H]2O XQTWDDCIUJNLTR-CVHRZJFOSA-N 0.000 title claims abstract 5
- 239000000203 mixture Substances 0.000 claims description 20
- 239000000395 magnesium oxide Substances 0.000 claims description 11
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 11
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 9
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 9
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 9
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 9
- 150000002681 magnesium compounds Chemical class 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 230000003115 biocidal effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 abstract description 6
- 239000006184 cosolvent Substances 0.000 abstract description 3
- 230000000699 topical effect Effects 0.000 abstract description 2
- 238000007911 parenteral administration Methods 0.000 abstract 1
- 238000011200 topical administration Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 30
- SGKRLCUYIXIAHR-AKNGSSGZSA-N (4s,4ar,5s,5ar,6r,12ar)-4-(dimethylamino)-1,5,10,11,12a-pentahydroxy-6-methyl-3,12-dioxo-4a,5,5a,6-tetrahydro-4h-tetracene-2-carboxamide Chemical compound C1=CC=C2[C@H](C)[C@@H]([C@H](O)[C@@H]3[C@](C(O)=C(C(N)=O)C(=O)[C@H]3N(C)C)(O)C3=O)C3=C(O)C2=C1O SGKRLCUYIXIAHR-AKNGSSGZSA-N 0.000 description 27
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- PTNZGHXUZDHMIQ-UHFFFAOYSA-N 4-(dimethylamino)-1,5,10,11,12a-pentahydroxy-6-methyl-3,12-dioxo-4a,5,5a,6-tetrahydro-4h-tetracene-2-carboxamide;hydrochloride Chemical group Cl.C1=CC=C2C(C)C(C(O)C3C(C(O)=C(C(N)=O)C(=O)C3N(C)C)(O)C3=O)C3=C(O)C2=C1O PTNZGHXUZDHMIQ-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- HRKQOINLCJTGBK-UHFFFAOYSA-L dioxidosulfate(2-) Chemical compound [O-]S[O-] HRKQOINLCJTGBK-UHFFFAOYSA-L 0.000 description 2
- 229960004082 doxycycline hydrochloride Drugs 0.000 description 2
- 239000012458 free base Substances 0.000 description 2
- 229910001425 magnesium ion Inorganic materials 0.000 description 2
- 239000008194 pharmaceutical composition Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- CYHOMWAPJJPNMW-DHBOJHSNSA-O (1r,5s)-8-methyl-8-azoniabicyclo[3.2.1]octan-3-ol Chemical compound C1C(O)C[C@H]2CC[C@@H]1[NH+]2C CYHOMWAPJJPNMW-DHBOJHSNSA-O 0.000 description 1
- SVDOODSCHVSYEK-IFLJXUKPSA-N (4s,4ar,5s,5ar,6s,12ar)-4-(dimethylamino)-1,5,6,10,11,12a-hexahydroxy-6-methyl-3,12-dioxo-4,4a,5,5a-tetrahydrotetracene-2-carboxamide;hydron;chloride Chemical compound Cl.C1=CC=C2[C@](O)(C)[C@H]3[C@H](O)[C@H]4[C@H](N(C)C)C(=O)C(C(N)=O)=C(O)[C@@]4(O)C(=O)C3=C(O)C2=C1O SVDOODSCHVSYEK-IFLJXUKPSA-N 0.000 description 1
- KZDCMKVLEYCGQX-UDPGNSCCSA-N 2-(diethylamino)ethyl 4-aminobenzoate;(2s,5r,6r)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid;hydrate Chemical compound O.CCN(CC)CCOC(=O)C1=CC=C(N)C=C1.N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 KZDCMKVLEYCGQX-UDPGNSCCSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- CGLIJZPVEPWKNU-UHFFFAOYSA-N 3,4-dichlorothiolane Chemical compound ClC1CSCC1Cl CGLIJZPVEPWKNU-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 206010013710 Drug interaction Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 239000004100 Oxytetracycline Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 108010021006 Tyrothricin Proteins 0.000 description 1
- ADXMPQWGTCFPGL-UHFFFAOYSA-L [Mg+2].O=C.[O-]S[O-] Chemical compound [Mg+2].O=C.[O-]S[O-] ADXMPQWGTCFPGL-UHFFFAOYSA-L 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- RKLXDNHNLPUQRB-TVJUEJKUSA-N chembl564271 Chemical compound C([C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H]1C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H]2C(C)SC[C@H](N[C@@H](CC(N)=O)C(=O)NC(=O)[C@@H](NC2=O)CSC1C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NC(=C)C(=O)N[C@@H](CCCCN)C(O)=O)NC(=O)[C@H]1NC(=O)C(=C\C)/NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](C)NC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@H]2NC(=O)CNC(=O)[C@@H]3CCCN3C(=O)[C@@H](NC(=O)[C@H]3N[C@@H](CC(C)C)C(=O)NC(=O)C(=C)NC(=O)CC[C@H](NC(=O)[C@H](NC(=O)[C@H](CCCCN)NC(=O)[C@@H](N)CC=4C5=CC=CC=C5NC=4)CSC3)C(O)=O)C(C)SC2)C(C)C)C(C)SC1)C1=CC=CC=C1 RKLXDNHNLPUQRB-TVJUEJKUSA-N 0.000 description 1
- 229960005091 chloramphenicol Drugs 0.000 description 1
- WIIZWVCIJKGZOK-RKDXNWHRSA-N chloramphenicol Chemical compound ClC(Cl)C(=O)N[C@H](CO)[C@H](O)C1=CC=C([N+]([O-])=O)C=C1 WIIZWVCIJKGZOK-RKDXNWHRSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- DFBKLUNHFCTMDC-PICURKEMSA-N dieldrin Chemical compound C([C@H]1[C@H]2[C@@]3(Cl)C(Cl)=C([C@]([C@H]22)(Cl)C3(Cl)Cl)Cl)[C@H]2[C@@H]2[C@H]1O2 DFBKLUNHFCTMDC-PICURKEMSA-N 0.000 description 1
- 229950006824 dieldrin Drugs 0.000 description 1
- NGPMUTDCEIKKFM-UHFFFAOYSA-N dieldrin Natural products CC1=C(Cl)C2(Cl)C3C4CC(C5OC45)C3C1(Cl)C2(Cl)Cl NGPMUTDCEIKKFM-UHFFFAOYSA-N 0.000 description 1
- 229960001172 doxycycline hyclate Drugs 0.000 description 1
- HALQELOKLVRWRI-VDBOFHIQSA-N doxycycline hyclate Chemical compound O.[Cl-].[Cl-].CCO.O=C1C2=C(O)C=CC=C2[C@H](C)[C@@H]2C1=C(O)[C@]1(O)C(=O)C(C(N)=O)=C(O)[C@@H]([NH+](C)C)[C@@H]1[C@H]2O.O=C1C2=C(O)C=CC=C2[C@H](C)[C@@H]2C1=C(O)[C@]1(O)C(=O)C(C(N)=O)=C(O)[C@@H]([NH+](C)C)[C@@H]1[C@H]2O HALQELOKLVRWRI-VDBOFHIQSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229940017705 formaldehyde sulfoxylate Drugs 0.000 description 1
- SBGKURINHGJRFN-UHFFFAOYSA-N hydroxymethanesulfinic acid Chemical compound OCS(O)=O SBGKURINHGJRFN-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 230000000749 insecticidal effect Effects 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007928 intraperitoneal injection Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 1
- 239000011654 magnesium acetate Substances 0.000 description 1
- 235000011285 magnesium acetate Nutrition 0.000 description 1
- 229940069446 magnesium acetate Drugs 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 235000011147 magnesium chloride Nutrition 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 125000005341 metaphosphate group Chemical group 0.000 description 1
- PJUIMOJAAPLTRJ-UHFFFAOYSA-N monothioglycerol Chemical compound OCC(O)CS PJUIMOJAAPLTRJ-UHFFFAOYSA-N 0.000 description 1
- 230000001069 nematicidal effect Effects 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 229960000625 oxytetracycline Drugs 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 108010082567 subtilin Proteins 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 1
- GSXRBRIWJGAPDU-BBVRJQLQSA-N tyrocidine A Chemical compound C([C@H]1C(=O)N[C@H](C(=O)N[C@@H](CCCN)C(=O)N[C@H](C(N[C@H](CC=2C=CC=CC=2)C(=O)N2CCC[C@H]2C(=O)N[C@@H](CC=2C=CC=CC=2)C(=O)N[C@H](CC=2C=CC=CC=2)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N1)=O)CC(C)C)C(C)C)C1=CC=C(O)C=C1 GSXRBRIWJGAPDU-BBVRJQLQSA-N 0.000 description 1
- 229960003281 tyrothricin Drugs 0.000 description 1
- JLYXXMFPNIAWKQ-UHFFFAOYSA-N γ Benzene hexachloride Chemical compound ClC1C(Cl)C(Cl)C(Cl)C(Cl)C1Cl JLYXXMFPNIAWKQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- A61K31/74—Synthetic polymeric materials
- A61K31/785—Polymers containing nitrogen
- A61K31/787—Polymers containing nitrogen containing heterocyclic rings having nitrogen as a ring hetero atom
- A61K31/79—Polymers of vinyl pyrrolidone
-
- 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
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0014—Skin, i.e. galenical aspects of topical compositions
-
- 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
- A61K31/65—Tetracyclines
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/02—Inorganic compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/22—Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
-
- 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
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Dermatology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Oncology (AREA)
- Organic Chemistry (AREA)
- Communicable Diseases (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Pyrrole Compounds (AREA)
Priority Applications (36)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/646,295 US4018889A (en) | 1976-01-02 | 1976-01-02 | Oxytetracycline compositions |
| US05/748,355 US4081528A (en) | 1976-01-02 | 1976-12-07 | Tetracycline compositions |
| US05/748,600 US4086332A (en) | 1976-01-02 | 1976-12-07 | Doxycycline compositions |
| SE7613959A SE435997B (sv) | 1976-01-02 | 1976-12-10 | Forfarande for framstellning av en stabil losning av ett tetracyklinantibiotikum |
| IN2209/CAL/76A IN145845B (index.php) | 1976-01-02 | 1976-12-15 | |
| AU20571/76A AU496029B2 (en) | 1976-01-02 | 1976-12-15 | Stable antibiotic compositions |
| GB52394/76A GB1520197A (en) | 1976-01-02 | 1976-12-15 | Stable antibiotic compositions |
| CA268,177A CA1075603A (en) | 1976-01-02 | 1976-12-17 | Stable solutions of doxycycline in aqueous 2-pyrrolidone |
| IE2800/76A IE44767B1 (en) | 1976-01-02 | 1976-12-21 | Stable antibiotic compositions |
| CA268,611A CA1072012A (en) | 1976-01-02 | 1976-12-23 | Stable solutions of oxytetracycline in aqueous 2-pyrrolidone |
| GR52477A GR65305B (en) | 1976-01-02 | 1976-12-23 | Oxytetracycline compositions and method for the preparation thereof |
| JP15613476A JPS5290616A (en) | 1976-01-02 | 1976-12-24 | Stable antibiotic composition |
| PT66017A PT66017B (en) | 1976-01-02 | 1976-12-27 | Process for the preparation of stable antibiotics compositions |
| BE1007849A BE849885A (fr) | 1976-01-02 | 1976-12-28 | Compositions antibiotiques stables |
| NL7614470.A NL166620C (nl) | 1976-01-02 | 1976-12-28 | Werkwijze voor de bereiding van een waterig tetra- cycline-preparaat dat een zuuramide bevat. |
| CH1640076A CH616080A5 (index.php) | 1976-01-02 | 1976-12-28 | |
| AT971776A AT345977B (de) | 1976-01-02 | 1976-12-28 | Verfahren zur herstellung eines stabilen antibiotischen praeparates |
| FI763716A FI56116C (fi) | 1976-01-02 | 1976-12-28 | Foerfarande foer framstaellning av en stabil oxitetracyklinloesning |
| EG800/76A EG12291A (en) | 1976-01-02 | 1976-12-28 | Process for preparing a stable antibiotic composition which compuses dessolving a tetracycline |
| DK584676A DK145753C (da) | 1976-01-02 | 1976-12-28 | Fremgangsmaade til fremstilling af en stabil vandig oploesning af et tetracyclin-antibioticum og en jordalkalimetalforbindelse |
| SU762436954A SU1309901A3 (ru) | 1976-01-02 | 1976-12-28 | Способ получени окситетрациклиновой терапевтической композиции |
| DE2659152A DE2659152C2 (de) | 1976-01-02 | 1976-12-28 | Stabile antibiotische wäßrige Lösung |
| CS768758A CS205030B2 (en) | 1976-01-02 | 1976-12-29 | Method of producing of the stabil antibiotic means |
| BG035054A BG36493A3 (en) | 1976-01-02 | 1976-12-29 | Method for preparing antibiotic composition |
| FR7639413A FR2336937A1 (fr) | 1976-01-02 | 1976-12-29 | Compositions antibiotiques tables |
| DD7600196699A DD129997A5 (de) | 1976-01-02 | 1976-12-29 | Verfahren zur herstellung neuer antibiotischer praeparate zur pharmazeutischen verwendung |
| LU76493A LU76493A1 (index.php) | 1976-01-02 | 1976-12-29 | |
| ZA767689A ZA767689B (en) | 1976-01-02 | 1976-12-29 | Stable antibiotic compositions |
| AR266034A AR209242A1 (es) | 1976-01-02 | 1976-12-29 | Un procedimiento para preparar una composicion antibiotica estable |
| OA56026A OA05524A (fr) | 1976-01-02 | 1976-12-29 | Procédé de préparation de compositions antibiotiques à base de 2-pyrrolidine. |
| KR7700012A KR810000900B1 (ko) | 1976-01-02 | 1977-01-06 | 항생물질 조성제의 안정화 방법 |
| FI790264A FI57882C (fi) | 1976-01-02 | 1979-01-26 | Foerfarande foer framstaellning av en stabil tetracyklinloesning |
| FI790265A FI57883C (fi) | 1976-01-02 | 1979-01-26 | Foerfarande foer framstaellning av en stabil klortetracyklinloesning |
| FI790263A FI57881C (fi) | 1976-01-02 | 1979-01-26 | Foerfarande foer framstaellning av en stabil doxicyklinloesning |
| HK301/81A HK30181A (en) | 1976-01-02 | 1981-07-02 | Stable antibiotic compositions |
| KE3166A KE3166A (en) | 1976-01-02 | 1981-10-15 | Stable antibiotic compositions |
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| US05/646,295 US4018889A (en) | 1976-01-02 | 1976-01-02 | Oxytetracycline compositions |
| CA268,177A CA1075603A (en) | 1976-01-02 | 1976-12-17 | Stable solutions of doxycycline in aqueous 2-pyrrolidone |
| KR7700012A KR810000900B1 (ko) | 1976-01-02 | 1977-01-06 | 항생물질 조성제의 안정화 방법 |
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| CA268,177A Expired CA1075603A (en) | 1976-01-02 | 1976-12-17 | Stable solutions of doxycycline in aqueous 2-pyrrolidone |
| CA268,611A Expired CA1072012A (en) | 1976-01-02 | 1976-12-23 | Stable solutions of oxytetracycline in aqueous 2-pyrrolidone |
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| CA268,611A Expired CA1072012A (en) | 1976-01-02 | 1976-12-23 | Stable solutions of oxytetracycline in aqueous 2-pyrrolidone |
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- 1976-12-24 JP JP15613476A patent/JPS5290616A/ja active Granted
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- 1976-12-29 DD DD7600196699A patent/DD129997A5/xx unknown
- 1976-12-29 FR FR7639413A patent/FR2336937A1/fr active Granted
- 1976-12-29 ZA ZA767689A patent/ZA767689B/xx unknown
- 1976-12-29 BG BG035054A patent/BG36493A3/xx unknown
- 1976-12-29 LU LU76493A patent/LU76493A1/xx unknown
- 1976-12-29 AR AR266034A patent/AR209242A1/es active
- 1976-12-29 OA OA56026A patent/OA05524A/xx unknown
-
1977
- 1977-01-06 KR KR7700012A patent/KR810000900B1/ko not_active Expired
-
1981
- 1981-07-02 HK HK301/81A patent/HK30181A/xx unknown
- 1981-10-15 KE KE3166A patent/KE3166A/xx unknown
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