DE1693175C3 - - Google Patents
Info
- Publication number
- DE1693175C3 DE1693175C3 DE1693175A DE1693175A DE1693175C3 DE 1693175 C3 DE1693175 C3 DE 1693175C3 DE 1693175 A DE1693175 A DE 1693175A DE 1693175 A DE1693175 A DE 1693175A DE 1693175 C3 DE1693175 C3 DE 1693175C3
- Authority
- DE
- Germany
- Prior art keywords
- methyl
- acrylonitrile
- products
- ruthenium
- pressure
- 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
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 47
- 239000001257 hydrogen Substances 0.000 claims description 33
- 229910052739 hydrogen Inorganic materials 0.000 claims description 33
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 31
- -1 unsaturated aliphatic dicarboxylic acids Chemical class 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 125000005250 alkyl acrylate group Chemical group 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 10
- 125000005907 alkyl ester group Chemical group 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 150000007513 acids Chemical class 0.000 claims description 4
- 150000002825 nitriles Chemical class 0.000 claims description 4
- 150000003304 ruthenium compounds Chemical class 0.000 claims description 3
- 239000000047 product Substances 0.000 description 45
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 36
- 238000006243 chemical reaction Methods 0.000 description 28
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 26
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 20
- BTGRAWJCKBQKAO-UHFFFAOYSA-N adiponitrile Chemical compound N#CCCCCC#N BTGRAWJCKBQKAO-UHFFFAOYSA-N 0.000 description 19
- 238000006471 dimerization reaction Methods 0.000 description 12
- UOBSVARXACCLLH-UHFFFAOYSA-N monomethyl adipate Chemical compound COC(=O)CCCCC(O)=O UOBSVARXACCLLH-UHFFFAOYSA-N 0.000 description 11
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 8
- 239000000178 monomer Substances 0.000 description 8
- 229910052707 ruthenium Inorganic materials 0.000 description 8
- YBCAZPLXEGKKFM-UHFFFAOYSA-K ruthenium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Ru+3] YBCAZPLXEGKKFM-UHFFFAOYSA-K 0.000 description 8
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 7
- 238000004587 chromatography analysis Methods 0.000 description 7
- UNAQSRLBVVDYGP-UHFFFAOYSA-N hex-5-enenitrile Chemical compound C=CCCCC#N UNAQSRLBVVDYGP-UHFFFAOYSA-N 0.000 description 7
- IYWJIYWFPADQAN-LNTINUHCSA-N (z)-4-hydroxypent-3-en-2-one;ruthenium Chemical compound [Ru].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O IYWJIYWFPADQAN-LNTINUHCSA-N 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 6
- 125000001931 aliphatic group Chemical group 0.000 description 6
- 150000002148 esters Chemical class 0.000 description 6
- 238000005984 hydrogenation reaction Methods 0.000 description 6
- 150000004702 methyl esters Chemical class 0.000 description 6
- XYFCBTPGUUZFHI-UHFFFAOYSA-N phosphine group Chemical group P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 150000003303 ruthenium Chemical class 0.000 description 5
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 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 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- 239000000539 dimer Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 150000004820 halides Chemical class 0.000 description 3
- 235000015243 ice cream Nutrition 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- JKBPBRLDGFKIIA-UHFFFAOYSA-N 2-propylidenepropanedinitrile Chemical class CCC=C(C#N)C#N JKBPBRLDGFKIIA-UHFFFAOYSA-N 0.000 description 2
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 238000004508 fractional distillation Methods 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000012442 inert solvent Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229940017219 methyl propionate Drugs 0.000 description 2
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- SMQUZDBALVYZAC-UHFFFAOYSA-N salicylaldehyde Chemical compound OC1=CC=CC=C1C=O SMQUZDBALVYZAC-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- RRKODOZNUZCUBN-CCAGOZQPSA-N (1z,3z)-cycloocta-1,3-diene Chemical compound C1CC\C=C/C=C\C1 RRKODOZNUZCUBN-CCAGOZQPSA-N 0.000 description 1
- DYLIWHYUXAJDOJ-OWOJBTEDSA-N (e)-4-(6-aminopurin-9-yl)but-2-en-1-ol Chemical compound NC1=NC=NC2=C1N=CN2C\C=C\CO DYLIWHYUXAJDOJ-OWOJBTEDSA-N 0.000 description 1
- UJEJQKVERRRQQD-UHFFFAOYSA-N 2,3-dimethylbutanedinitrile Chemical class N#CC(C)C(C)C#N UJEJQKVERRRQQD-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- JXPDNDHCMMOJPC-UHFFFAOYSA-N 2-hydroxybutanedinitrile Chemical compound N#CC(O)CC#N JXPDNDHCMMOJPC-UHFFFAOYSA-N 0.000 description 1
- NWPNXBQSRGKSJB-UHFFFAOYSA-N 2-methylbenzonitrile Chemical compound CC1=CC=CC=C1C#N NWPNXBQSRGKSJB-UHFFFAOYSA-N 0.000 description 1
- NGCJVMZXRCLPRQ-UHFFFAOYSA-N 2-methylidenepentanedinitrile Chemical compound N#CC(=C)CCC#N NGCJVMZXRCLPRQ-UHFFFAOYSA-N 0.000 description 1
- FPPLREPCQJZDAQ-UHFFFAOYSA-N 2-methylpentanedinitrile Chemical compound N#CC(C)CCC#N FPPLREPCQJZDAQ-UHFFFAOYSA-N 0.000 description 1
- SYEOWUNSTUDKGM-YFKPBYRVSA-N 3-methyladipic acid Chemical compound OC(=O)C[C@@H](C)CCC(O)=O SYEOWUNSTUDKGM-YFKPBYRVSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- OMTRKSLHFWCMHF-UHFFFAOYSA-M Cl[Ru]N=O Chemical compound Cl[Ru]N=O OMTRKSLHFWCMHF-UHFFFAOYSA-M 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 description 1
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 1
- CMEWLCATCRTSGF-UHFFFAOYSA-N N,N-dimethyl-4-nitrosoaniline Chemical compound CN(C)C1=CC=C(N=O)C=C1 CMEWLCATCRTSGF-UHFFFAOYSA-N 0.000 description 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical class O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical class C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 1
- AYRBBDWFLGUINX-UHFFFAOYSA-N acetyl acetate;ruthenium Chemical compound [Ru].CC(=O)OC(C)=O AYRBBDWFLGUINX-UHFFFAOYSA-N 0.000 description 1
- 125000005595 acetylacetonate group Chemical group 0.000 description 1
- 150000008360 acrylonitriles Chemical class 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 229910052783 alkali metal Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229940113721 aminocaproate Drugs 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical class [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000002915 carbonyl group Chemical class [*:2]C([*:1])=O 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- HBNCYROJXZDCOM-UHFFFAOYSA-N cyano pentanoate Chemical compound CCCCC(=O)OC#N HBNCYROJXZDCOM-UHFFFAOYSA-N 0.000 description 1
- NLIIZKKTTLNFRW-UHFFFAOYSA-N cyclobutane-1,1-dicarbonitrile Chemical class N#CC1(C#N)CCC1 NLIIZKKTTLNFRW-UHFFFAOYSA-N 0.000 description 1
- VBWIZSYFQSOUFQ-UHFFFAOYSA-N cyclohexanecarbonitrile Chemical compound N#CC1CCCCC1 VBWIZSYFQSOUFQ-UHFFFAOYSA-N 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000007327 hydrogenolysis reaction Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- ZOTBXTZVPHCKPN-HTXNQAPBSA-N kresoxim-methyl Chemical class CO\N=C(\C(=O)OC)C1=CC=CC=C1COC1=CC=CC=C1C ZOTBXTZVPHCKPN-HTXNQAPBSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- LWJROJCJINYWOX-UHFFFAOYSA-L mercury dichloride Chemical compound Cl[Hg]Cl LWJROJCJINYWOX-UHFFFAOYSA-L 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
- 150000005673 monoalkenes Chemical class 0.000 description 1
- 125000005609 naphthenate group Chemical group 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- GJAWHXHKYYXBSV-UHFFFAOYSA-N quinolinic acid Chemical compound OC(=O)C1=CC=CN=C1C(O)=O GJAWHXHKYYXBSV-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- YAYGSLOSTXKUBW-UHFFFAOYSA-N ruthenium(2+) Chemical compound [Ru+2] YAYGSLOSTXKUBW-UHFFFAOYSA-N 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- OUULRIDHGPHMNQ-UHFFFAOYSA-N stibane Chemical class [SbH3] OUULRIDHGPHMNQ-UHFFFAOYSA-N 0.000 description 1
- IAHFWCOBPZCAEA-UHFFFAOYSA-N succinonitrile Chemical compound N#CCCC#N IAHFWCOBPZCAEA-UHFFFAOYSA-N 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- BZWKPZBXAMTXNQ-UHFFFAOYSA-N sulfurocyanidic acid Chemical class OS(=O)(=O)C#N BZWKPZBXAMTXNQ-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR69417A FR1493068A (fr) | 1966-07-13 | 1966-07-13 | Procédé de dimérisation de mélanges de composés alpha-beta éthyléniques |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1693175A1 DE1693175A1 (de) | 1972-04-13 |
| DE1693175B2 DE1693175B2 (de) | 1974-01-10 |
| DE1693175C3 true DE1693175C3 (enrdf_load_stackoverflow) | 1974-08-15 |
Family
ID=8613245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1693175A Granted DE1693175B2 (de) | 1966-07-13 | 1967-07-13 | Verfahren zur Herstellung eines Gemisches von Nitrilen und Alkylestern von aliphatischen Dicarbonsäuren und omega-Cyanocarbonsäuren |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3828092A (enrdf_load_stackoverflow) |
| AT (1) | AT269103B (enrdf_load_stackoverflow) |
| BE (1) | BE701280A (enrdf_load_stackoverflow) |
| CH (1) | CH463479A (enrdf_load_stackoverflow) |
| DE (1) | DE1693175B2 (enrdf_load_stackoverflow) |
| ES (1) | ES342997A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1493068A (enrdf_load_stackoverflow) |
| GB (1) | GB1153814A (enrdf_load_stackoverflow) |
| LU (1) | LU54084A1 (enrdf_load_stackoverflow) |
| NL (1) | NL6709352A (enrdf_load_stackoverflow) |
-
1966
- 1966-07-13 FR FR69417A patent/FR1493068A/fr not_active Expired
-
1967
- 1967-06-26 US US00649033A patent/US3828092A/en not_active Expired - Lifetime
- 1967-07-05 NL NL6709352A patent/NL6709352A/xx unknown
- 1967-07-12 CH CH992867A patent/CH463479A/fr unknown
- 1967-07-12 BE BE701280D patent/BE701280A/xx unknown
- 1967-07-12 LU LU54084D patent/LU54084A1/xx unknown
- 1967-07-13 DE DE1693175A patent/DE1693175B2/de active Granted
- 1967-07-13 ES ES342997A patent/ES342997A1/es not_active Expired
- 1967-07-13 AT AT655467A patent/AT269103B/de active
- 1967-07-13 GB GB32385/67A patent/GB1153814A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1153814A (en) | 1969-05-29 |
| NL6709352A (enrdf_load_stackoverflow) | 1968-01-15 |
| US3828092A (en) | 1974-08-06 |
| CH463479A (fr) | 1968-10-15 |
| DE1693175B2 (de) | 1974-01-10 |
| ES342997A1 (es) | 1968-08-16 |
| LU54084A1 (enrdf_load_stackoverflow) | 1968-03-12 |
| FR1493068A (fr) | 1967-08-25 |
| BE701280A (enrdf_load_stackoverflow) | 1968-01-12 |
| AT269103B (de) | 1969-03-10 |
| DE1693175A1 (de) | 1972-04-13 |
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