DE1768802A1 - Adamantan- und Alkyladamantanderivate sowie Verfahren zu deren Herstellung - Google Patents
Adamantan- und Alkyladamantanderivate sowie Verfahren zu deren HerstellungInfo
- Publication number
- DE1768802A1 DE1768802A1 DE19681768802 DE1768802A DE1768802A1 DE 1768802 A1 DE1768802 A1 DE 1768802A1 DE 19681768802 DE19681768802 DE 19681768802 DE 1768802 A DE1768802 A DE 1768802A DE 1768802 A1 DE1768802 A1 DE 1768802A1
- Authority
- DE
- Germany
- Prior art keywords
- bridgehead
- carbon atoms
- alkyl
- bromine
- adamantane
- 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
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 13
- 238000002360 preparation method Methods 0.000 title claims description 5
- -1 alkyl adamantane derivatives Chemical class 0.000 title description 15
- 229940052761 dopaminergic adamantane derivative Drugs 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims description 29
- 125000000217 alkyl group Chemical group 0.000 claims description 24
- 125000004432 carbon atom Chemical group C* 0.000 claims description 22
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 21
- 229910052794 bromium Inorganic materials 0.000 claims description 21
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 239000000460 chlorine Substances 0.000 claims description 16
- 229910052801 chlorine Inorganic materials 0.000 claims description 16
- 125000001424 substituent group Chemical group 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- 239000012433 hydrogen halide Substances 0.000 claims description 6
- 229910000039 hydrogen halide Inorganic materials 0.000 claims description 6
- 150000002431 hydrogen Chemical group 0.000 claims description 5
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 4
- 229910052740 iodine Chemical group 0.000 claims description 4
- 239000011630 iodine Chemical group 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000003415 peat Substances 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 239000011541 reaction mixture Substances 0.000 claims 1
- 238000007669 thermal treatment Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 33
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 15
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 13
- 229910052757 nitrogen Inorganic materials 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 229910052736 halogen Inorganic materials 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 7
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 7
- 150000002367 halogens Chemical class 0.000 description 7
- 229930195733 hydrocarbon Natural products 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- JGJLWPGRMCADHB-UHFFFAOYSA-N hypobromite Chemical compound Br[O-] JGJLWPGRMCADHB-UHFFFAOYSA-N 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- 239000005708 Sodium hypochlorite Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 5
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 4
- 238000002329 infrared spectrum Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000012808 vapor phase Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 3
- UZUCFTVAWGRMTQ-UHFFFAOYSA-N 1-methyladamantane Chemical compound C1C(C2)CC3CC2CC1(C)C3 UZUCFTVAWGRMTQ-UHFFFAOYSA-N 0.000 description 3
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 229940117389 dichlorobenzene Drugs 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 239000012429 reaction media Substances 0.000 description 3
- 239000011343 solid material Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- LXTHCCWEYOKFSR-UHFFFAOYSA-N 1-ethyladamantane Chemical compound C1C(C2)CC3CC2CC1(CC)C3 LXTHCCWEYOKFSR-UHFFFAOYSA-N 0.000 description 2
- KFINWPLSLFZOSU-UHFFFAOYSA-N 5,7-dimethyladamantane-1,3-diamine Chemical compound C1C(C2)(C)CC3(N)CC1(C)CC2(N)C3 KFINWPLSLFZOSU-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004359 castor oil Substances 0.000 description 2
- 235000019438 castor oil Nutrition 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- 230000002140 halogenating effect Effects 0.000 description 2
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000006317 isomerization reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- CRWJEUDFKNYSBX-UHFFFAOYSA-N sodium;hypobromite Chemical compound [Na+].Br[O-] CRWJEUDFKNYSBX-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- PGBGRFOBTPKZNU-UHFFFAOYSA-N 1,3-dipentyladamantane Chemical compound C1C(C2)CC3CC1(CCCCC)CC2(CCCCC)C3 PGBGRFOBTPKZNU-UHFFFAOYSA-N 0.000 description 1
- AZCUIXHZJHFUFI-UHFFFAOYSA-N 1-butyladamantane Chemical compound C1C(C2)CC3CC2CC1(CCCC)C3 AZCUIXHZJHFUFI-UHFFFAOYSA-N 0.000 description 1
- LOVSGPXFIZDSNE-UHFFFAOYSA-N 1-decyladamantane Chemical compound C1C(C2)CC3CC2CC1(CCCCCCCCCC)C3 LOVSGPXFIZDSNE-UHFFFAOYSA-N 0.000 description 1
- NLPVKAQKNTZLIT-UHFFFAOYSA-N 1-heptyladamantane Chemical compound C(CCCCCC)C12CC3CC(CC(C1)C3)C2 NLPVKAQKNTZLIT-UHFFFAOYSA-N 0.000 description 1
- LIAWCKFOFPPVGF-UHFFFAOYSA-N 2-ethyladamantane Chemical compound C1C(C2)CC3CC1C(CC)C2C3 LIAWCKFOFPPVGF-UHFFFAOYSA-N 0.000 description 1
- VMODAALDMAYACB-UHFFFAOYSA-N 2-methyladamantane Chemical compound C1C(C2)CC3CC1C(C)C2C3 VMODAALDMAYACB-UHFFFAOYSA-N 0.000 description 1
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 description 1
- 235000001169 Brassica oleracea var oleracea Nutrition 0.000 description 1
- QDHHCQZDFGDHMP-UHFFFAOYSA-N Chloramine Chemical compound ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000002155 anti-virotic effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000012320 chlorinating reagent Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 150000002497 iodine compounds Chemical class 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 235000015250 liver sausages Nutrition 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- SATVIFGJTRRDQU-UHFFFAOYSA-N potassium hypochlorite Chemical compound [K+].Cl[O-] SATVIFGJTRRDQU-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000003822 preparative gas chromatography Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- SAFWHKYSCUAGHQ-UHFFFAOYSA-N sodium;hypoiodite Chemical compound [Na+].I[O-] SAFWHKYSCUAGHQ-UHFFFAOYSA-N 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- RAOIDOHSFRTOEL-UHFFFAOYSA-N tetrahydrothiophene Chemical compound C1CCSC1 RAOIDOHSFRTOEL-UHFFFAOYSA-N 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/758—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing two or more cycloaliphatic rings
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/22—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms containing a carbon-to-nitrogen double bond, e.g. guanidines, hydrazones, semicarbazones
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/16—Nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65271567A | 1967-07-12 | 1967-07-12 | |
| US65899867A | 1967-08-08 | 1967-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1768802A1 true DE1768802A1 (de) | 1971-12-02 |
Family
ID=27096348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681768802 Pending DE1768802A1 (de) | 1967-07-12 | 1968-07-02 | Adamantan- und Alkyladamantanderivate sowie Verfahren zu deren Herstellung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3522306A (OSRAM) |
| BE (1) | BE717999A (OSRAM) |
| DE (1) | DE1768802A1 (OSRAM) |
| FR (1) | FR1576671A (OSRAM) |
| GB (2) | GB1244590A (OSRAM) |
| NL (1) | NL6809872A (OSRAM) |
-
1967
- 1967-07-12 US US652715A patent/US3522306A/en not_active Expired - Lifetime
-
1968
- 1968-07-02 DE DE19681768802 patent/DE1768802A1/de active Pending
- 1968-07-11 FR FR158796A patent/FR1576671A/fr not_active Expired
- 1968-07-11 GB GB8060/71A patent/GB1244590A/en not_active Expired
- 1968-07-11 GB GB33086/68A patent/GB1240703A/en not_active Expired
- 1968-07-12 NL NL6809872A patent/NL6809872A/xx unknown
- 1968-07-12 BE BE717999A patent/BE717999A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1576671A (OSRAM) | 1969-08-01 |
| GB1240703A (en) | 1971-07-28 |
| BE717999A (OSRAM) | 1969-01-13 |
| US3522306A (en) | 1970-07-28 |
| GB1244590A (en) | 1971-09-02 |
| NL6809872A (OSRAM) | 1969-01-14 |
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