DE1518951A1 - Verfahren zur Herstellung von Indan-Verbindungen - Google Patents
Verfahren zur Herstellung von Indan-VerbindungenInfo
- Publication number
- DE1518951A1 DE1518951A1 DE19651518951 DE1518951A DE1518951A1 DE 1518951 A1 DE1518951 A1 DE 1518951A1 DE 19651518951 DE19651518951 DE 19651518951 DE 1518951 A DE1518951 A DE 1518951A DE 1518951 A1 DE1518951 A1 DE 1518951A1
- Authority
- DE
- Germany
- Prior art keywords
- carbon atoms
- hydrogen
- chloride
- radicals
- dimethyl
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 27
- 238000002360 preparation method Methods 0.000 title claims description 8
- 125000003392 indanyl group Chemical class C1(CCC2=CC=CC=C12)* 0.000 title description 2
- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 claims description 22
- 150000001875 compounds Chemical class 0.000 claims description 21
- 125000004432 carbon atom Chemical group C* 0.000 claims description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims description 17
- 239000001257 hydrogen Substances 0.000 claims description 15
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 14
- 239000011541 reaction mixture Substances 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 150000002431 hydrogen Chemical class 0.000 claims description 7
- RZWZRACFZGVKFM-UHFFFAOYSA-N propanoyl chloride Chemical compound CCC(Cl)=O RZWZRACFZGVKFM-UHFFFAOYSA-N 0.000 claims description 6
- 239000002841 Lewis acid Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 150000007517 lewis acids Chemical class 0.000 claims description 5
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 claims description 4
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 claims description 4
- 239000012346 acetyl chloride Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- DGMOBVGABMBZSB-UHFFFAOYSA-N 2-methylpropanoyl chloride Chemical compound CC(C)C(Cl)=O DGMOBVGABMBZSB-UHFFFAOYSA-N 0.000 claims description 2
- PJPNYZCIGFQVQG-UHFFFAOYSA-N 3,3,5,7-tetramethyl-1,2-dihydroindene Chemical compound CC1=CC(C)=CC2=C1CCC2(C)C PJPNYZCIGFQVQG-UHFFFAOYSA-N 0.000 claims description 2
- 125000002252 acyl group Chemical group 0.000 claims description 2
- LRWFTPRXUQZZHZ-UHFFFAOYSA-N CC1(C(CC2=C(C=C(C=C12)C)C)C)C Chemical compound CC1(C(CC2=C(C=C(C=C12)C)C)C)C LRWFTPRXUQZZHZ-UHFFFAOYSA-N 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 28
- 238000009835 boiling Methods 0.000 description 27
- 239000007788 liquid Substances 0.000 description 23
- 238000002844 melting Methods 0.000 description 22
- 230000008018 melting Effects 0.000 description 21
- -1 alkyl radical Chemical class 0.000 description 19
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 16
- 229930195733 hydrocarbon Natural products 0.000 description 15
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 7
- 150000002468 indanes Chemical class 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 6
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- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- 238000005917 acylation reaction Methods 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- 239000004009 herbicide Substances 0.000 description 6
- PQNFLJBBNBOBRQ-UHFFFAOYSA-N indane Chemical compound C1=CC=C2CCCC2=C1 PQNFLJBBNBOBRQ-UHFFFAOYSA-N 0.000 description 6
- 150000003254 radicals Chemical class 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- 230000010933 acylation Effects 0.000 description 5
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- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 5
- 238000001953 recrystallisation Methods 0.000 description 5
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- 150000001336 alkenes Chemical class 0.000 description 4
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 238000002329 infrared spectrum Methods 0.000 description 4
- 150000002576 ketones Chemical class 0.000 description 4
- 230000006289 propionylation Effects 0.000 description 4
- 238000010515 propionylation reaction Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
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- 238000004817 gas chromatography Methods 0.000 description 3
- 230000002363 herbicidal effect Effects 0.000 description 3
- 230000009965 odorless effect Effects 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 150000003440 styrenes Chemical class 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000005292 vacuum distillation Methods 0.000 description 3
- OKIRBHVFJGXOIS-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC=C1C(C)C OKIRBHVFJGXOIS-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- XCYJPXQACVEIOS-UHFFFAOYSA-N 1-isopropyl-3-methylbenzene Chemical compound CC(C)C1=CC=CC(C)=C1 XCYJPXQACVEIOS-UHFFFAOYSA-N 0.000 description 2
- GVNVAWHJIKLAGL-UHFFFAOYSA-N 2-(cyclohexen-1-yl)cyclohexan-1-one Chemical compound O=C1CCCCC1C1=CCCCC1 GVNVAWHJIKLAGL-UHFFFAOYSA-N 0.000 description 2
- WWUVJRULCWHUSA-UHFFFAOYSA-N 2-methyl-1-pentene Chemical compound CCCC(C)=C WWUVJRULCWHUSA-UHFFFAOYSA-N 0.000 description 2
- BKOOMYPCSUNDGP-UHFFFAOYSA-N 2-methylbut-2-ene Chemical compound CC=C(C)C BKOOMYPCSUNDGP-UHFFFAOYSA-N 0.000 description 2
- DKEQNICHDTZGAN-UHFFFAOYSA-N 3,3,4,5,7-pentamethyl-1,2-dihydroindene Chemical compound CC1=CC(C)=C(C)C2=C1CCC2(C)C DKEQNICHDTZGAN-UHFFFAOYSA-N 0.000 description 2
- 101150065749 Churc1 gene Proteins 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
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- 241000209504 Poaceae Species 0.000 description 2
- 102100038239 Protein Churchill Human genes 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 238000005804 alkylation reaction Methods 0.000 description 2
- 239000007900 aqueous suspension Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006352 cycloaddition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
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- QMMOXUPEWRXHJS-UHFFFAOYSA-N pentene-2 Natural products CCC=CC QMMOXUPEWRXHJS-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- 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 description 1
- CPLBLNGVYBSVPU-UHFFFAOYSA-N 1,3,3-trimethyl-1,2-dihydroindene Chemical compound C1=CC=C2C(C)CC(C)(C)C2=C1 CPLBLNGVYBSVPU-UHFFFAOYSA-N 0.000 description 1
- UNEATYXSUBPPKP-UHFFFAOYSA-N 1,3-Diisopropylbenzene Chemical compound CC(C)C1=CC=CC(C(C)C)=C1 UNEATYXSUBPPKP-UHFFFAOYSA-N 0.000 description 1
- RHBKJVRQCIRZGE-UHFFFAOYSA-N 2,3,3-trimethyl-1,2-dihydroindene Chemical compound C1=CC=C2C(C)(C)C(C)CC2=C1 RHBKJVRQCIRZGE-UHFFFAOYSA-N 0.000 description 1
- VQSFHZJBTTWXIS-UHFFFAOYSA-N 2,4,7-trimethyl-2,3-dihydroinden-1-one Chemical compound CC1=CC=C(C)C2=C1C(=O)C(C)C2 VQSFHZJBTTWXIS-UHFFFAOYSA-N 0.000 description 1
- UTTMVTDJCFSOFF-UHFFFAOYSA-N 3,3-dimethyl-1,2-dihydroindene Chemical compound C1=CC=C2C(C)(C)CCC2=C1 UTTMVTDJCFSOFF-UHFFFAOYSA-N 0.000 description 1
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- INUNLMUAPJVRME-UHFFFAOYSA-N 3-chloropropanoyl chloride Chemical compound ClCCC(Cl)=O INUNLMUAPJVRME-UHFFFAOYSA-N 0.000 description 1
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- JLYXXMFPNIAWKQ-UHFFFAOYSA-N gamma-hexachlorocyclohexane Natural products ClC1C(Cl)C(Cl)C(Cl)C(Cl)C1Cl JLYXXMFPNIAWKQ-UHFFFAOYSA-N 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
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- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
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- 239000005457 ice water Substances 0.000 description 1
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- QNXSIUBBGPHDDE-UHFFFAOYSA-N indan-1-one Chemical class C1=CC=C2C(=O)CCC2=C1 QNXSIUBBGPHDDE-UHFFFAOYSA-N 0.000 description 1
- 150000002469 indenes Chemical class 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000005648 plant growth regulator Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000006798 ring closing metathesis reaction Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/0042—Essential oils; Perfumes compounds containing condensed hydrocarbon rings
- C11B9/0046—Essential oils; Perfumes compounds containing condensed hydrocarbon rings containing only two condensed rings
- C11B9/0049—Essential oils; Perfumes compounds containing condensed hydrocarbon rings containing only two condensed rings the condensed rings sharing two common C atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/46—Friedel-Crafts reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
- C07C45/562—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with nitrogen as the only hetero atom
- C07C45/565—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with nitrogen as the only hetero atom by reaction with hexamethylene-tetramine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
- C07C47/546—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings polycyclic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
- C07C49/782—Ketones containing a keto group bound to a six-membered aromatic ring polycyclic
- C07C49/792—Ketones containing a keto group bound to a six-membered aromatic ring polycyclic containing rings other than six-membered aromatic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39990364A | 1964-09-28 | 1964-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1518951A1 true DE1518951A1 (de) | 1969-08-14 |
Family
ID=23581422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19651518951 Pending DE1518951A1 (de) | 1964-09-28 | 1965-09-17 | Verfahren zur Herstellung von Indan-Verbindungen |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT258894B (da) |
| BE (1) | BE670185A (da) |
| BR (1) | BR6573493D0 (da) |
| CH (1) | CH474467A (da) |
| DE (1) | DE1518951A1 (da) |
| DK (1) | DK130580B (da) |
| ES (1) | ES317859A1 (da) |
| GB (1) | GB1095718A (da) |
| IL (1) | IL24286A (da) |
| NL (1) | NL142144B (da) |
| SE (1) | SE344740B (da) |
-
1965
- 1965-09-07 GB GB3820665A patent/GB1095718A/en not_active Expired
- 1965-09-08 IL IL2428665A patent/IL24286A/xx unknown
- 1965-09-15 CH CH1287265A patent/CH474467A/de not_active IP Right Cessation
- 1965-09-17 DE DE19651518951 patent/DE1518951A1/de active Pending
- 1965-09-22 AT AT863765A patent/AT258894B/de active
- 1965-09-27 BE BE670185D patent/BE670185A/xx unknown
- 1965-09-27 SE SE1247965A patent/SE344740B/xx unknown
- 1965-09-27 BR BR17349365A patent/BR6573493D0/pt unknown
- 1965-09-27 ES ES0317859A patent/ES317859A1/es not_active Expired
- 1965-09-28 NL NL6512564A patent/NL142144B/xx unknown
- 1965-09-28 DK DK498465A patent/DK130580B/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK130580B (da) | 1975-03-10 |
| NL142144B (nl) | 1974-05-15 |
| BR6573493D0 (pt) | 1973-05-03 |
| BE670185A (da) | 1966-03-28 |
| CH474467A (de) | 1969-06-30 |
| DK130580C (da) | 1975-07-28 |
| ES317859A1 (es) | 1966-05-01 |
| AT258894B (de) | 1967-12-11 |
| NL6512564A (da) | 1966-03-29 |
| SE344740B (da) | 1972-05-02 |
| GB1095718A (en) | 1967-12-20 |
| IL24286A (en) | 1969-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |