FI69832C - Foerfarande foer framstaellning av c1-4-alkylanilinfoereningar - Google Patents
Foerfarande foer framstaellning av c1-4-alkylanilinfoereningar Download PDFInfo
- Publication number
- FI69832C FI69832C FI770182A FI770182A FI69832C FI 69832 C FI69832 C FI 69832C FI 770182 A FI770182 A FI 770182A FI 770182 A FI770182 A FI 770182A FI 69832 C FI69832 C FI 69832C
- Authority
- FI
- Finland
- Prior art keywords
- acid
- carbon
- formula
- boron
- carbon atoms
- Prior art date
Links
- 230000000384 rearing effect Effects 0.000 title 1
- 239000002253 acid Substances 0.000 claims description 54
- 150000001875 compounds Chemical class 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 19
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 15
- 229910052796 boron Inorganic materials 0.000 claims description 15
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- 239000007795 chemical reaction product Substances 0.000 claims description 15
- -1 boron tetrahydride Chemical compound 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 125000002843 carboxylic acid group Chemical group 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 150000001721 carbon Chemical group 0.000 claims description 8
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 8
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 125000001424 substituent group Chemical group 0.000 claims description 4
- 125000002015 acyclic group Chemical group 0.000 claims description 3
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 125000005530 alkylenedioxy group Chemical group 0.000 claims description 2
- 150000001450 anions Chemical group 0.000 claims description 2
- 150000001768 cations Chemical class 0.000 claims description 2
- BFAKENXZKHGIGE-UHFFFAOYSA-N bis(2,3,5,6-tetrafluoro-4-iodophenyl)diazene Chemical compound FC1=C(C(=C(C(=C1F)I)F)F)N=NC1=C(C(=C(C(=C1F)F)I)F)F BFAKENXZKHGIGE-UHFFFAOYSA-N 0.000 claims 1
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 125000006413 ring segment Chemical group 0.000 claims 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 18
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 13
- 150000003839 salts Chemical class 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 12
- 150000007513 acids Chemical class 0.000 description 12
- 239000000203 mixture Substances 0.000 description 9
- 238000011065 in-situ storage Methods 0.000 description 7
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229910052783 alkali metal Inorganic materials 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 150000001340 alkali metals Chemical class 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- 239000012279 sodium borohydride Substances 0.000 description 5
- 229910000033 sodium borohydride Inorganic materials 0.000 description 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 description 4
- 238000011066 ex-situ storage Methods 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 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
- PFUUEZRQEPXGQU-UHFFFAOYSA-N [4-methyl-2-(propan-2-ylamino)phenyl]-phenylmethanone Chemical compound CC(C)NC1=CC(C)=CC=C1C(=O)C1=CC=CC=C1 PFUUEZRQEPXGQU-UHFFFAOYSA-N 0.000 description 3
- RTGTVOLQHBDOLQ-UHFFFAOYSA-N boric acid;phthalic acid Chemical compound OB(O)O.OC(=O)C1=CC=CC=C1C(O)=O RTGTVOLQHBDOLQ-UHFFFAOYSA-N 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- HVKRBGJBJXDAGA-UHFFFAOYSA-N 4-methyl-2-(propan-2-ylamino)benzonitrile Chemical compound CC(C)NC1=CC(C)=CC=C1C#N HVKRBGJBJXDAGA-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- HRRDCWDFRIJIQZ-UHFFFAOYSA-N naphthalene-1,8-dicarboxylic acid Chemical compound C1=CC(C(O)=O)=C2C(C(=O)O)=CC=CC2=C1 HRRDCWDFRIJIQZ-UHFFFAOYSA-N 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- YINYAGBOKBLJHY-UHFFFAOYSA-N (2-amino-4-methylphenyl)-phenylmethanone Chemical compound NC1=CC(C)=CC=C1C(=O)C1=CC=CC=C1 YINYAGBOKBLJHY-UHFFFAOYSA-N 0.000 description 1
- MAOBFOXLCJIFLV-UHFFFAOYSA-N (2-aminophenyl)-phenylmethanone Chemical compound NC1=CC=CC=C1C(=O)C1=CC=CC=C1 MAOBFOXLCJIFLV-UHFFFAOYSA-N 0.000 description 1
- OURMOWNIJUVJSE-UHFFFAOYSA-N 2-(propan-2-ylamino)benzoic acid Chemical compound CC(C)NC1=CC=CC=C1C(O)=O OURMOWNIJUVJSE-UHFFFAOYSA-N 0.000 description 1
- LGNVAEIITHYWCG-UHFFFAOYSA-N 2-amino-4-methylbenzonitrile Chemical compound CC1=CC=C(C#N)C(N)=C1 LGNVAEIITHYWCG-UHFFFAOYSA-N 0.000 description 1
- ZMPRRFPMMJQXPP-UHFFFAOYSA-N 2-sulfobenzoic acid Chemical compound OC(=O)C1=CC=CC=C1S(O)(=O)=O ZMPRRFPMMJQXPP-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- TWLLPUMZVVGILS-UHFFFAOYSA-N Ethyl 2-aminobenzoate Chemical compound CCOC(=O)C1=CC=CC=C1N TWLLPUMZVVGILS-UHFFFAOYSA-N 0.000 description 1
- 239000007818 Grignard reagent Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000012448 Lithium borohydride Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- WCLMEJZSXAZVIE-UHFFFAOYSA-N [5-chloro-2-(propan-2-ylamino)phenyl]-phenylmethanone Chemical compound CC(C)NC1=CC=C(Cl)C=C1C(=O)C1=CC=CC=C1 WCLMEJZSXAZVIE-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 1
- 150000001638 boron Chemical class 0.000 description 1
- 229910010277 boron hydride Inorganic materials 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- HQEAQFCNAWECCG-UHFFFAOYSA-N ethyl 2-(propan-2-ylamino)benzoate Chemical compound CCOC(=O)C1=CC=CC=C1NC(C)C HQEAQFCNAWECCG-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000012458 free base Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N hydrochloric acid Substances Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 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
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- KHARCSTZAGNHOT-UHFFFAOYSA-N naphthalene-2,3-dicarboxylic acid Chemical compound C1=CC=C2C=C(C(O)=O)C(C(=O)O)=CC2=C1 KHARCSTZAGNHOT-UHFFFAOYSA-N 0.000 description 1
- YKFJUBNDHOLBNN-UHFFFAOYSA-N naphthalene-2,3-disulfonic acid Chemical compound C1=CC=C2C=C(S(O)(=O)=O)C(S(=O)(=O)O)=CC2=C1 YKFJUBNDHOLBNN-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- MLCSTNUFLFUNRL-UHFFFAOYSA-N phenyl-[6-(propan-2-ylamino)-1,3-benzodioxol-5-yl]methanone Chemical compound CC(C)NC1=CC=2OCOC=2C=C1C(=O)C1=CC=CC=C1 MLCSTNUFLFUNRL-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003457 sulfones Chemical class 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
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
- C07F5/022—Boron compounds without C-boron linkages
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65336176 | 1976-01-29 | ||
| US05/653,361 US4083871A (en) | 1976-01-29 | 1976-01-29 | Preparation of 2-sec.-alkylaminobenzophenones |
| US05/653,362 US4071557A (en) | 1976-01-29 | 1976-01-29 | Preparation of 2-substituted aminophenyl ketones |
| US65336276 | 1976-01-29 | ||
| US74528476A | 1976-11-26 | 1976-11-26 | |
| US74528476 | 1976-11-26 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI770182A FI770182A (da) | 1977-07-30 |
| FI69832B FI69832B (fi) | 1985-12-31 |
| FI69832C true FI69832C (fi) | 1986-05-26 |
Family
ID=27417893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI770182A FI69832C (fi) | 1976-01-29 | 1977-01-20 | Foerfarande foer framstaellning av c1-4-alkylanilinfoereningar |
Country Status (24)
| Country | Link |
|---|---|
| JP (1) | JPS5293740A (da) |
| AR (1) | AR225267A1 (da) |
| AT (1) | AT363925B (da) |
| CA (1) | CA1097644A (da) |
| CH (1) | CH632988A5 (da) |
| CS (1) | CS203143B2 (da) |
| DD (1) | DD130034A5 (da) |
| DE (1) | DE2701888A1 (da) |
| DK (1) | DK23077A (da) |
| ES (1) | ES455459A1 (da) |
| FI (1) | FI69832C (da) |
| FR (3) | FR2351089A1 (da) |
| GB (1) | GB1576477A (da) |
| GR (1) | GR62631B (da) |
| HU (1) | HU176872B (da) |
| IE (1) | IE45017B1 (da) |
| IL (2) | IL51343A (da) |
| NL (1) | NL7700725A (da) |
| NO (1) | NO146323C (da) |
| NZ (1) | NZ183187A (da) |
| PT (1) | PT66121B (da) |
| SE (2) | SE446861B (da) |
| SU (1) | SU718007A3 (da) |
| YU (1) | YU39987B (da) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3674969A (en) * | 1971-08-04 | 1972-07-04 | Honeywell Inc | Stainless steel snap acting mechanism with low resistance electrical path |
| US3740442A (en) * | 1972-01-14 | 1973-06-19 | Sandoz Ag | 2-isopropylaminobenzophenones in treating inflammation |
-
1977
- 1977-01-17 CH CH52777A patent/CH632988A5/de not_active IP Right Cessation
- 1977-01-19 DE DE19772701888 patent/DE2701888A1/de not_active Ceased
- 1977-01-20 FI FI770182A patent/FI69832C/fi not_active IP Right Cessation
- 1977-01-20 DK DK23077A patent/DK23077A/da not_active Application Discontinuation
- 1977-01-21 NO NO770192A patent/NO146323C/no unknown
- 1977-01-21 SE SE7700644A patent/SE446861B/xx not_active IP Right Cessation
- 1977-01-24 GB GB2708/77A patent/GB1576477A/en not_active Expired
- 1977-01-25 NL NL7700725A patent/NL7700725A/xx not_active Application Discontinuation
- 1977-01-27 CS CS77556A patent/CS203143B2/cs unknown
- 1977-01-27 PT PT66121A patent/PT66121B/pt unknown
- 1977-01-27 AT AT0048577A patent/AT363925B/de not_active IP Right Cessation
- 1977-01-27 NZ NZ183187A patent/NZ183187A/xx unknown
- 1977-01-27 GR GR52656A patent/GR62631B/el unknown
- 1977-01-27 AR AR266336A patent/AR225267A1/es active
- 1977-01-27 DD DD7700197115A patent/DD130034A5/xx unknown
- 1977-01-27 FR FR7702256A patent/FR2351089A1/fr active Granted
- 1977-01-27 IL IL51343A patent/IL51343A/xx unknown
- 1977-01-27 JP JP734477A patent/JPS5293740A/ja active Pending
- 1977-01-27 YU YU215/77A patent/YU39987B/xx unknown
- 1977-01-27 CA CA270,574A patent/CA1097644A/en not_active Expired
- 1977-01-27 HU HU77SA3008A patent/HU176872B/hu unknown
- 1977-01-27 IE IE176/77A patent/IE45017B1/en unknown
- 1977-01-28 SU SU772444807A patent/SU718007A3/ru active
- 1977-01-28 ES ES455459A patent/ES455459A1/es not_active Expired
- 1977-08-30 FR FR7726294A patent/FR2351107A1/fr active Granted
- 1977-08-30 FR FR7726293A patent/FR2351122A1/fr active Granted
-
1979
- 1979-12-19 IL IL59005A patent/IL59005A0/xx unknown
-
1981
- 1981-02-12 SE SE8100986A patent/SE8100986L/sv not_active Application Discontinuation
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