RO84021B - Procedeu pentru prepararea esterilor metilici ai unor n-fenil-furanoilanilide - Google Patents
Procedeu pentru prepararea esterilor metilici ai unor n-fenil-furanoilanilideInfo
- Publication number
- RO84021B RO84021B RO106426A RO10642675A RO84021B RO 84021 B RO84021 B RO 84021B RO 106426 A RO106426 A RO 106426A RO 10642675 A RO10642675 A RO 10642675A RO 84021 B RO84021 B RO 84021B
- Authority
- RO
- Romania
- Prior art keywords
- furan
- solvents
- page
- carboxylic acid
- general formula
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/81—Amides; Imides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/30—Halogen atoms or nitro radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/18—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/24—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/68—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/16—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D309/28—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D327/00—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms
- C07D327/02—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms one oxygen atom and one sulfur atom
- C07D327/06—Six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D333/38—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Plural Heterocyclic Compounds (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Pyridine Compounds (AREA)
- Pyrane Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
Prezenta inventie se refera la un procedeu pentru prepararea compusilor cu formula generala I (vezi formula în pag.1 a descrierii) în care R reprezinta hidrogen sau metil, prin acilarea unui compus cu formula generala II (vezi formula în pag.1 a descrierii) în care R are semnificatia de mai sus, cu acidul furan-2-carboxilic, halogenura sau anhidrida acestuia sau cu unul din esterii sau amidele acestuia, preferîndu-se utilizarea clorurii sau bromurii de acid furan-2-carboxilic, la temperaturi între 0 si 180 degree C, de preferinta 20...120 degree C, în prezenta unui solvent sau diluant inert fata de reactanti, ales dintre toluen, xilen, benzen, monoclorbenzen, clorura de metilen, dicloretan, cloroform, eter dialchilic, tetrahidrofuran, dioxan, acetonitril, dimetilformamida, acid acetic anhidru, dimetilsulfoxid, metiletilcetona sau amestecuri ale acestor solventi, sau, în absenta solventilor, eventual în prezenta unor agenti de condensare, alesi dintre trietilamina, piridina si baze piridinice sau baze anorganice ca oxizi si hidroxizi
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH457274A CH590608A5 (en) | 1974-04-02 | 1974-04-02 | N-Furoyl-N-aryl-alanine esters - prepd. e.g. by reacting N-aryl-alanine esters with 2-furoic acid or its derivs. |
| CH159175A CH603041A5 (en) | 1974-04-02 | 1975-02-10 | N-Furoyl-N-aryl-alanine esters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO84021A RO84021A (ro) | 1984-05-12 |
| RO84021B true RO84021B (ro) | 1984-06-30 |
Family
ID=25688094
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7581867A RO73181A (ro) | 1974-04-02 | 1975-04-01 | Procedeu de preparare a derivatilor n-disubstituiti ai anilinei |
| RO106426A RO84021B (ro) | 1974-04-02 | 1975-04-02 | Procedeu pentru prepararea esterilor metilici ai unor n-fenil-furanoilanilide |
| RO7581876A RO79677A (ro) | 1974-04-02 | 1975-04-02 | Compozitie fungicida |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7581867A RO73181A (ro) | 1974-04-02 | 1975-04-01 | Procedeu de preparare a derivatilor n-disubstituiti ai anilinei |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7581876A RO79677A (ro) | 1974-04-02 | 1975-04-02 | Compozitie fungicida |
Country Status (31)
| Country | Link |
|---|---|
| JP (3) | JPS6042202B2 (ro) |
| AR (2) | AR205189A1 (ro) |
| AT (2) | AT343407B (ro) |
| AU (1) | AU465906B2 (ro) |
| BG (2) | BG26356A3 (ro) |
| CA (2) | CA1050546A (ro) |
| CH (1) | CH603041A5 (ro) |
| CS (2) | CS183789B2 (ro) |
| DD (3) | DD124733A5 (ro) |
| DE (2) | DE2560591C2 (ro) |
| DK (2) | DK141168B (ro) |
| EG (2) | EG12263A (ro) |
| ES (2) | ES436174A1 (ro) |
| FI (2) | FI750921A (ro) |
| FR (2) | FR2265747B1 (ro) |
| GB (2) | GB1498199A (ro) |
| HU (2) | HU172935B (ro) |
| IE (2) | IE41777B1 (ro) |
| IL (2) | IL46988A (ro) |
| IT (2) | IT1049394B (ro) |
| LU (2) | LU72174A1 (ro) |
| NL (2) | NL7503755A (ro) |
| NO (2) | NO141340C (ro) |
| OA (2) | OA04916A (ro) |
| PH (2) | PH11792A (ro) |
| PL (2) | PL98627B1 (ro) |
| RO (3) | RO73181A (ro) |
| SE (2) | SE419218B (ro) |
| SU (4) | SU743561A3 (ro) |
| TR (2) | TR18508A (ro) |
| YU (2) | YU39026B (ro) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845433B2 (ja) * | 1975-02-10 | 1983-10-08 | チバ・ガイギ− アクチエンゲゼルシヤフト | ２↓−フランカルボン酸アニリド類の製造法 |
| US4147792A (en) * | 1977-02-04 | 1979-04-03 | Ciba-Geigy Corporation | Fungicidal compositions |
| CH629939A5 (de) * | 1977-03-29 | 1982-05-28 | Ciba Geigy Ag | Mikrobizides mittel. |
| DE2724785A1 (de) * | 1977-05-27 | 1978-12-14 | Schering Ag | Furancarbonsaeureanilide, fungizide mittel enthaltend diese verbindungen sowie verfahren zu ihrer herstellung |
| BG28977A3 (en) | 1978-02-02 | 1980-08-15 | Montedison Spa | Fungicide means and method for fungus fighting |
| CH637368A5 (de) * | 1978-10-27 | 1983-07-29 | Ciba Geigy Ag | Anilinderivate und daraus hergestellte schaedlingsbekaempfungsmittel. |
| EP0010673B1 (de) * | 1978-10-31 | 1982-01-27 | Bayer Ag | Substituierte N-Propargyl-aniline, Verfahren zu ihrer Herstellung sowie ihre Verwendung als Fungizide |
| CH641760A5 (de) * | 1978-11-27 | 1984-03-15 | Ciba Geigy Ag | Schaedlingsbekaempfungsmittel. |
| CH639940A5 (en) * | 1978-12-05 | 1983-12-15 | Ciba Geigy Ag | Substituted N-alkoxycarbonylethyl-N-acylanilines, microbicides containing them, and process for the preparation of the compounds |
| DE2948734A1 (de) * | 1978-12-07 | 1980-06-19 | Ciba Geigy Ag | Schaedlingsbekaempfungsmittel |
| DE2940189A1 (de) * | 1979-10-04 | 1981-04-16 | Basf Ag, 6700 Ludwigshafen | Isoxazolylcarbonsaeureanilide, verfahren zu ihrer herstellung und ihre verwendung als fungizide |
| MA19111A1 (fr) * | 1979-10-26 | 1981-12-31 | Ciba Geigy Ag | Derives de l'homoserine,procede pour leur preparation et leur utilisation en tant que microbicides |
| DE3013908A1 (de) * | 1980-04-11 | 1981-10-22 | Basf Ag, 6700 Ludwigshafen | 2-(n-aryl-, n-isoxazolylcarbonyl)-aminobutyrolactone, verfahren zu ihrer herstellung und diese enthaltende fungizide |
| MA19215A1 (fr) * | 1980-07-25 | 1982-04-01 | Ciba Geigy Ag | Nouveaux derives arylamines,procede pour leur fabrication et utilisation en tant que microbicides . |
| DE3030736A1 (de) | 1980-08-14 | 1982-03-25 | Basf Ag, 6700 Ludwigshafen | N-disubstituierte anilinderivate, ihre herstellung, ihre verwendung als mikrobizide und mittel dafuer |
| EP0061836B1 (en) * | 1981-03-19 | 1986-12-30 | Imperial Chemical Industries Plc | Amide derivatives, processes for preparing them, their use as fungicides and pesticidal compositions containing them |
| DE3133418A1 (de) * | 1981-08-24 | 1983-03-10 | Basf Ag, 6700 Ludwigshafen | Thiazolyl- und isothiazolylcarbonsaeureanilide, verfahren zu ihrer herstellung und ihre verwendung als fungizide |
| JPH0326906U (ro) * | 1989-07-26 | 1991-03-19 | ||
| DE4011172A1 (de) * | 1990-04-06 | 1991-10-10 | Degussa | Verbindungen zur bekaempfung von pflanzenkrankheiten |
| DE4304172A1 (de) | 1993-02-12 | 1994-08-25 | Bayer Ag | Fungizide Wirkstoffkombinationen |
| US5723491A (en) * | 1994-07-11 | 1998-03-03 | Novartis Corporation | Fungicidal composition and method of controlling fungus infestation |
| DE4429014A1 (de) | 1994-08-16 | 1996-02-22 | Basf Ag | Verfahren zur Herstellung von cyclischen Aminen |
| AR011515A1 (es) * | 1996-12-25 | 2000-08-30 | Agrogene Ltd | Derivado del acido aminobutirico para la proteccion de plantas de enfermedades fungosas y un metodo para proteger un cultivo contra enfermedadesfungosas por ejemplo tomates y papas contra el tizon tardio o temprano, cereales contra el mildiu polvoroso, y pepino, vides, melones contra el mildiu |
| DE10347090A1 (de) | 2003-10-10 | 2005-05-04 | Bayer Cropscience Ag | Synergistische fungizide Wirkstoffkombinationen |
| DE10349501A1 (de) | 2003-10-23 | 2005-05-25 | Bayer Cropscience Ag | Synergistische fungizide Wirkstoffkombinationen |
| DE102004049761A1 (de) | 2004-10-12 | 2006-04-13 | Bayer Cropscience Ag | Fungizide Wirkstoffkombinationen |
| DE102005026482A1 (de) | 2005-06-09 | 2006-12-14 | Bayer Cropscience Ag | Wirkstoffkombinationen |
| CA2916460C (en) | 2005-06-09 | 2017-10-03 | Klaus Stenzel | Combinations comprising prothioconazole and gulfosinate |
| DE102006023263A1 (de) | 2006-05-18 | 2007-11-22 | Bayer Cropscience Ag | Synergistische Wirkstoffkombinationen |
| JP2010503642A (ja) | 2006-09-18 | 2010-02-04 | ビーエーエスエフ ソシエタス・ヨーロピア | 三成分殺有害生物混合物 |
| CN101605461A (zh) | 2007-02-06 | 2009-12-16 | 巴斯夫欧洲公司 | 农药混合物 |
| EP2000028A1 (de) | 2007-06-06 | 2008-12-10 | Bayer CropScience Aktiengesellschaft | Fungizide Wirkstoffkombinationen |
| EP2000030A1 (de) | 2007-06-06 | 2008-12-10 | Bayer CropScience AG | Fungizide Wirkstoffkombinationen |
| DE102007045920B4 (de) | 2007-09-26 | 2018-07-05 | Bayer Intellectual Property Gmbh | Synergistische Wirkstoffkombinationen |
| IN2012DN01345A (ro) | 2009-07-16 | 2015-06-05 | Bayer Cropscience Ag | |
| EP2910126A1 (en) | 2015-05-05 | 2015-08-26 | Bayer CropScience AG | Active compound combinations having insecticidal properties |
| CN115557887A (zh) * | 2022-11-10 | 2023-01-03 | 南京林业大学 | 基于Ugi反应的三氟甲基吡啶衍生物合成及其生物活性研究 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3959481A (en) * | 1969-02-13 | 1976-05-25 | Uniroyal | Method of protecting plants from fungal diseases using furan-3-carboxamide derivatives |
| JPS5345364A (en) * | 1976-10-06 | 1978-04-24 | Daiahoiru Kk | Device for controlling extrusion molding die bolt |
-
1975
- 1975-01-01 AR AR258203A patent/AR205189A1/es active
- 1975-02-10 CH CH159175A patent/CH603041A5/de not_active IP Right Cessation
- 1975-03-26 FR FR7509484A patent/FR2265747B1/fr not_active Expired
- 1975-03-26 SE SE7503517A patent/SE419218B/xx not_active IP Right Cessation
- 1975-03-26 DK DK135875AA patent/DK141168B/da not_active IP Right Cessation
- 1975-03-26 FI FI750921A patent/FI750921A/fi not_active Application Discontinuation
- 1975-03-26 NO NO751084A patent/NO141340C/no unknown
- 1975-03-26 FR FR7509485A patent/FR2265748B1/fr not_active Expired
- 1975-03-26 NO NO751086A patent/NO142714C/no unknown
- 1975-03-26 SE SE7503518A patent/SE418086B/xx not_active IP Right Cessation
- 1975-03-26 FI FI750920A patent/FI63567C/fi not_active IP Right Cessation
- 1975-03-26 DK DK135975AA patent/DK141995B/da not_active IP Right Cessation
- 1975-03-27 CA CA223,227A patent/CA1050546A/en not_active Expired
- 1975-03-27 CA CA223,222A patent/CA1050558A/en not_active Expired
- 1975-03-27 AU AU79640/75A patent/AU465906B2/en not_active Expired
- 1975-03-27 NL NL7503755A patent/NL7503755A/xx not_active Application Discontinuation
- 1975-03-27 DE DE2560591A patent/DE2560591C2/de not_active Expired
- 1975-03-27 DE DE19752513732 patent/DE2513732A1/de active Granted
- 1975-03-27 NL NL7503754.A patent/NL160821C/xx not_active IP Right Cessation
- 1975-03-28 IT IT21867/75A patent/IT1049394B/it active
- 1975-03-28 IT IT21855/75A patent/IT1048806B/it active
- 1975-03-31 OA OA55458A patent/OA04916A/xx unknown
- 1975-03-31 OA OA55460A patent/OA04918A/xx unknown
- 1975-03-31 PH PH16995A patent/PH11792A/en unknown
- 1975-03-31 PH PH16998A patent/PH13072A/en unknown
- 1975-04-01 RO RO7581867A patent/RO73181A/ro unknown
- 1975-04-01 DD DD192060A patent/DD124733A5/xx unknown
- 1975-04-01 LU LU72174A patent/LU72174A1/xx unknown
- 1975-04-01 AT AT244875A patent/AT343407B/de not_active IP Right Cessation
- 1975-04-01 HU HU75CI00001563A patent/HU172935B/hu not_active IP Right Cessation
- 1975-04-01 AR AR258204A patent/AR224602A1/es active
- 1975-04-01 YU YU00828/75A patent/YU39026B/xx unknown
- 1975-04-01 IL IL46988A patent/IL46988A/en unknown
- 1975-04-01 DD DD185144A patent/DD118510A5/xx unknown
- 1975-04-01 IL IL46989A patent/IL46989A/xx unknown
- 1975-04-01 AT AT244675A patent/AT345614B/de not_active IP Right Cessation
- 1975-04-01 HU HU75CI1564A patent/HU173317B/hu unknown
- 1975-04-01 DD DD185147A patent/DD118785A5/xx unknown
- 1975-04-01 GB GB13349/75A patent/GB1498199A/en not_active Expired
- 1975-04-01 BG BG7529508A patent/BG26356A3/xx unknown
- 1975-04-01 BG BG7500029507A patent/BG24651A3/xx unknown
- 1975-04-01 GB GB1333275A patent/GB1448810A/en not_active Expired
- 1975-04-01 ES ES436174A patent/ES436174A1/es not_active Expired
- 1975-04-01 LU LU72175A patent/LU72175A1/xx unknown
- 1975-04-01 YU YU827/75A patent/YU40259B/xx unknown
- 1975-04-01 ES ES436175A patent/ES436175A1/es not_active Expired
- 1975-04-02 EG EG75195A patent/EG12263A/xx active
- 1975-04-02 JP JP50040227A patent/JPS6042202B2/ja not_active Expired
- 1975-04-02 SU SU752121601A patent/SU743561A3/ru active
- 1975-04-02 EG EG194/75A patent/EG11640A/xx active
- 1975-04-02 CS CS7500002240A patent/CS183789B2/cs unknown
- 1975-04-02 IE IE709/75A patent/IE41777B1/en unknown
- 1975-04-02 TR TR18508A patent/TR18508A/xx unknown
- 1975-04-02 TR TR18339A patent/TR18339A/xx unknown
- 1975-04-02 JP JP4022675A patent/JPS5345364B2/ja not_active Expired
- 1975-04-02 RO RO106426A patent/RO84021B/ro unknown
- 1975-04-02 PL PL1975179265A patent/PL98627B1/pl unknown
- 1975-04-02 RO RO7581876A patent/RO79677A/ro unknown
- 1975-04-02 IE IE708/75A patent/IE41140B1/xx unknown
- 1975-04-02 SU SU752120455A patent/SU682096A3/ru active
- 1975-04-02 CS CS7500002239A patent/CS183788B2/cs unknown
- 1975-04-02 PL PL1975179266A patent/PL97786B1/pl unknown
- 1975-11-05 SU SU752186207A patent/SU628812A3/ru active
-
1976
- 1976-04-05 SU SU762342705A patent/SU626690A3/ru active
-
1978
- 1978-01-12 JP JP232778A patent/JPS53135964A/ja active Granted
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