DD141830A5 - Verfahren zur o-methylierung von hydroxyaporphinen - Google Patents
Verfahren zur o-methylierung von hydroxyaporphinen Download PDFInfo
- Publication number
- DD141830A5 DD141830A5 DD78209943A DD20994378A DD141830A5 DD 141830 A5 DD141830 A5 DD 141830A5 DD 78209943 A DD78209943 A DD 78209943A DD 20994378 A DD20994378 A DD 20994378A DD 141830 A5 DD141830 A5 DD 141830A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- och
- methylation
- item
- solvent
- methylated
- Prior art date
Links
- 238000007069 methylation reaction Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 20
- ZNEOHLHCKGUAEB-UHFFFAOYSA-N trimethylphenylammonium Chemical compound C[N+](C)(C)C1=CC=CC=C1 ZNEOHLHCKGUAEB-UHFFFAOYSA-N 0.000 claims abstract description 9
- MVRYYBFJTYHDQY-UHFFFAOYSA-N 6-methyl-5,6,6a,7-tetrahydro-4h-dibenzo[de,g]quinoline-1-ol Chemical class C12=CC=CC=C2CC2N(C)CCC3=CC=C(O)C1=C32 MVRYYBFJTYHDQY-UHFFFAOYSA-N 0.000 claims abstract description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 42
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 24
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 9
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- 125000001424 substituent group Chemical group 0.000 claims description 7
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 239000002168 alkylating agent Substances 0.000 claims description 3
- 229940100198 alkylating agent Drugs 0.000 claims description 3
- 239000012442 inert solvent Substances 0.000 claims description 3
- 239000002798 polar solvent Substances 0.000 claims description 3
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- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 150000008441 aporphines Chemical class 0.000 abstract description 8
- 238000002360 preparation method Methods 0.000 abstract description 3
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- 239000000243 solution Substances 0.000 description 18
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- 230000011987 methylation Effects 0.000 description 14
- -1 alkali metal phenolates Chemical class 0.000 description 12
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- BQJCRHHNABKAKU-KBQPJGBKSA-N morphine Chemical compound O([C@H]1[C@H](C=C[C@H]23)O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4O BQJCRHHNABKAKU-KBQPJGBKSA-N 0.000 description 6
- 150000003254 radicals Chemical class 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 5
- YXHKONLOYHBTNS-UHFFFAOYSA-N Diazomethane Chemical compound C=[N+]=[N-] YXHKONLOYHBTNS-UHFFFAOYSA-N 0.000 description 5
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- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
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- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- LODGIKWNLDQZBM-LBPRGKRZSA-N bulbocapnine Chemical compound CN([C@H]1CC2=CC=C(C(=C2C2=C11)O)OC)CCC1=CC1=C2OCO1 LODGIKWNLDQZBM-LBPRGKRZSA-N 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 229940093915 gynecological organic acid Drugs 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- DRVVGOFZCWCCSA-UHFFFAOYSA-N isocorydine Natural products COc1cc2CCN(C)C3Cc4cccc(C)c4c(c1O)c23 DRVVGOFZCWCCSA-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229930013397 isoquinoline alkaloid Natural products 0.000 description 1
- 125000002183 isoquinolinyl group Chemical class C1(=NC=CC2=CC=CC=C12)* 0.000 description 1
- RQCOQZNIQLKGTN-ZDUSSCGKSA-N isothebaine Chemical compound C1C2=CC=CC(OC)=C2C2=C(O)C(OC)=CC3=C2[C@H]1N(C)CC3 RQCOQZNIQLKGTN-ZDUSSCGKSA-N 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 1
- 239000012022 methylating agents Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229930013053 morphinan alkaloid Natural products 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 125000006574 non-aromatic ring group Chemical group 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical group C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 1
- KHUXNRRPPZOJPT-UHFFFAOYSA-N phenoxy radical Chemical compound O=C1C=C[CH]C=C1 KHUXNRRPPZOJPT-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000006798 ring closing metathesis reaction Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 238000001256 steam distillation Methods 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- ZCTJIMXXSXQXRI-UHFFFAOYSA-N thaliblastine Natural products CN1CCC2=CC(OC)=C(OC)C3=C2C1CC1=C3C=C(OC)C(OC2=C(CC3C4=CC(OC)=C(OC)C=C4CCN3C)C=C(C(=C2)OC)OC)=C1 ZCTJIMXXSXQXRI-UHFFFAOYSA-N 0.000 description 1
- ZCTJIMXXSXQXRI-KYJUHHDHSA-N thalicarpine Chemical compound CN1CCC2=CC(OC)=C(OC)C3=C2[C@@H]1CC1=C3C=C(OC)C(OC2=C(C[C@H]3C4=CC(OC)=C(OC)C=C4CCN3C)C=C(C(=C2)OC)OC)=C1 ZCTJIMXXSXQXRI-KYJUHHDHSA-N 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- SZCZSKMCTGEJKI-UHFFFAOYSA-N tuberin Natural products COC1=CC=C(C=CNC=O)C=C1 SZCZSKMCTGEJKI-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000005406 washing Methods 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
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/54—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one sulfur as the ring hetero atoms, e.g. sulthiame
-
- 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
- A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
-
- 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
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
-
- 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
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
-
- 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
- A61K31/56—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
- A61K31/58—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin
- A61K31/585—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin containing lactone rings, e.g. oxandrolone, bufalin
-
- 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
- A61K31/63—Compounds containing para-N-benzenesulfonyl-N-groups, e.g. sulfanilamide, p-nitrobenzenesulfonyl hydrazide
- A61K31/635—Compounds containing para-N-benzenesulfonyl-N-groups, e.g. sulfanilamide, p-nitrobenzenesulfonyl hydrazide having a heterocyclic ring, e.g. sulfadiazine
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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2757335A DE2757335C3 (de) | 1977-12-22 | 1977-12-22 | Verfahren zur O-Methylierung von Hydroxyaporphinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD141830A5 true DD141830A5 (de) | 1980-05-21 |
Family
ID=6026924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD78209943A DD141830A5 (de) | 1977-12-22 | 1978-12-20 | Verfahren zur o-methylierung von hydroxyaporphinen |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4309542A (cs) |
| JP (1) | JPS54119474A (cs) |
| AT (1) | AT362535B (cs) |
| BE (1) | BE872843A (cs) |
| CH (1) | CH645629A5 (cs) |
| CS (1) | CS238601B2 (cs) |
| DD (1) | DD141830A5 (cs) |
| DE (1) | DE2757335C3 (cs) |
| FI (1) | FI68222C (cs) |
| FR (1) | FR2430942A1 (cs) |
| GB (1) | GB2010841B (cs) |
| HU (1) | HU177060B (cs) |
| NL (1) | NL7812394A (cs) |
| SU (1) | SU925249A3 (cs) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3118521A1 (de) * | 1981-05-09 | 1982-12-02 | Gödecke AG, 1000 Berlin | Dibenzo(de,g)chinolin-derivate, verfahren zu deren herstellung und deren verwendung bei der bekaempfung von erkaeltungskrankheiten und allergien |
| US4795759A (en) * | 1985-07-27 | 1989-01-03 | Sandoz Ltd. | Use of dibenz(CD,F)indoles |
| US6210680B1 (en) | 1999-06-11 | 2001-04-03 | Univera Pharmaceuticals, Inc. | Method for the prevention and treatment of chronic venous insufficiency |
| TWI225397B (en) * | 2000-05-04 | 2004-12-21 | Nat Science Council | Uses of thaliporphine or its derivatives in treatment of cardiac diseases and preparation of the same |
| PT1311486E (pt) * | 2000-08-23 | 2006-09-29 | Lotus Pharmaceutical Co Ltd | Uso de taliporfina ou dos seus derivados no tratamento de doencas cardiacas e preparacao da mesma |
| WO2004110449A1 (fr) * | 2003-06-19 | 2004-12-23 | Lotus Pharmaceutical Co., Ltd. | Aporphine et oxoaporphine et leur utilisation a des fins medicales |
| CN1884265A (zh) * | 2005-06-20 | 2006-12-27 | 美时化学制药股份有限公司 | 治疗糖尿病的阿朴芬及次阿朴芬化合物 |
| WO2007134485A1 (en) * | 2006-05-22 | 2007-11-29 | Lotus Pharmaceutical Co., Ltd. | Aporphine and oxoaporphine compounds and pharmaceutical use thereof |
| TWI531369B (zh) * | 2014-05-30 | 2016-05-01 | 資元堂生物科技股份有限公司 | 阿朴啡生物鹼衍生物用於製備促進ａｍｐｋ活性的藥物之用途 |
| CN111196801B (zh) * | 2020-01-14 | 2022-10-14 | 中国药科大学 | 阿朴菲类生物碱衍生物及其制备方法与用途 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1100998A (en) * | 1912-05-06 | 1914-06-23 | Firm Of Mckesson & Robbins | Process of manufacuring alkyl-ethers of morphin. |
| GB1364318A (en) * | 1971-03-15 | 1974-08-21 | Bellon Labor Sa Roger | Laurotetanine derivatives |
| DE2337507A1 (de) * | 1973-07-24 | 1975-02-13 | Research Corp | Verfahren zur herstellung von aporphinen ueber neue zwischenprodukte |
| DE2625116C2 (de) * | 1976-06-04 | 1984-01-26 | Gödecke AG, 1000 Berlin | Verfahren zur Herstellung von 4-Hydroxy-aporphin-Derivaten |
-
1977
- 1977-12-22 DE DE2757335A patent/DE2757335C3/de not_active Expired
-
1978
- 1978-12-14 FR FR7835193A patent/FR2430942A1/fr active Granted
- 1978-12-18 BE BE192382A patent/BE872843A/xx not_active IP Right Cessation
- 1978-12-19 US US05/971,143 patent/US4309542A/en not_active Expired - Lifetime
- 1978-12-19 GB GB7849004A patent/GB2010841B/en not_active Expired
- 1978-12-20 DD DD78209943A patent/DD141830A5/de unknown
- 1978-12-21 AT AT913578A patent/AT362535B/de not_active IP Right Cessation
- 1978-12-21 SU SU782700555A patent/SU925249A3/ru active
- 1978-12-21 JP JP15695578A patent/JPS54119474A/ja active Pending
- 1978-12-21 FI FI783951A patent/FI68222C/fi not_active IP Right Cessation
- 1978-12-21 CH CH1305678A patent/CH645629A5/de not_active IP Right Cessation
- 1978-12-21 NL NL7812394A patent/NL7812394A/xx not_active Application Discontinuation
- 1978-12-21 HU HU78WA355A patent/HU177060B/hu unknown
- 1978-12-22 CS CS788857A patent/CS238601B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4309542A (en) | 1982-01-05 |
| CS238601B2 (en) | 1985-12-16 |
| FI68222B (fi) | 1985-04-30 |
| AT362535B (de) | 1981-05-25 |
| NL7812394A (nl) | 1979-06-26 |
| CH645629A5 (de) | 1984-10-15 |
| DE2757335A1 (de) | 1979-06-28 |
| FI783951A7 (fi) | 1979-06-23 |
| ATA913578A (de) | 1980-10-15 |
| HU177060B (hu) | 1981-06-28 |
| SU925249A3 (ru) | 1982-04-30 |
| GB2010841B (en) | 1982-08-18 |
| BE872843A (fr) | 1979-04-17 |
| GB2010841A (en) | 1979-07-04 |
| DE2757335B2 (de) | 1981-05-27 |
| DE2757335C3 (de) | 1982-03-25 |
| JPS54119474A (en) | 1979-09-17 |
| FR2430942B1 (cs) | 1985-02-22 |
| FI68222C (fi) | 1985-08-12 |
| FR2430942A1 (fr) | 1980-02-08 |
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