ES8401468A1 - Un procedimiento para preparar derivados de nicotinamida. - Google Patents
Un procedimiento para preparar derivados de nicotinamida.Info
- Publication number
- ES8401468A1 ES8401468A1 ES507332A ES507332A ES8401468A1 ES 8401468 A1 ES8401468 A1 ES 8401468A1 ES 507332 A ES507332 A ES 507332A ES 507332 A ES507332 A ES 507332A ES 8401468 A1 ES8401468 A1 ES 8401468A1
- Authority
- ES
- Spain
- Prior art keywords
- nicotinamide derivatives
- new herbicidal
- new
- herbicidal
- derivatives
- 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
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
- C07D213/79—Acids; Esters
- C07D213/80—Acids; Esters in position 3
-
- 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
- C07D213/82—Amides; Imides in position 3
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C317/00—Sulfones; Sulfoxides
-
- 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
- C07D213/83—Thioacids; Thioesters; Thioamides; Thioimides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
UN PROCEDIMIENTO PARA PREPARAR DERIVADOS DE NICOTINAMIDA.SE HACE REACCIONAR EL COMPUESTO (II) O UNA DE SUS SALES DE ADICION DE ACIDO CON EL COMPUESTO Q-CO-T. LA REACCION TIENE LUGAR EN PRESENCIA DE UN DISOLVENTE ORGANICO INERTE A TEMPERATURA COMPRENDIDA ENTRE LA AMBIENTE Y LA DE REFLUJO DE LA MEZCLA DE REACCION. ESTA PRESENTE UN HIDROCARBURO AROMATICO O UN HIDROCARBURO HALOGENADO TAL COMO BENCENO, O TOLUENO O DICLOROMETANO O TETRACLORETANO; ASIMISMO HAY PRESENTE UNA BASE TAL COMO TRIETILAMINA O CARBONATO DE POTASIO. SE OBTIENE EL COMPUESTO (I).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8037372 | 1980-11-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8401468A1 true ES8401468A1 (es) | 1983-07-16 |
ES507332A0 ES507332A0 (es) | 1983-07-16 |
Family
ID=10517468
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES507332A Granted ES507332A0 (es) | 1980-11-21 | 1981-11-20 | Un procedimiento para preparar derivados de nicotinamida. |
ES515995A Granted ES515995A0 (es) | 1980-11-21 | 1982-09-28 | "un procedimiento para preparar derivados de nicotinamida". |
ES520104A Granted ES520104A0 (es) | 1980-11-21 | 1983-02-25 | Un procedimiento para preparar derivados de nicotinamida. |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES515995A Granted ES515995A0 (es) | 1980-11-21 | 1982-09-28 | "un procedimiento para preparar derivados de nicotinamida". |
ES520104A Granted ES520104A0 (es) | 1980-11-21 | 1983-02-25 | Un procedimiento para preparar derivados de nicotinamida. |
Country Status (34)
Country | Link |
---|---|
US (1) | US4618366A (es) |
EP (1) | EP0053011B1 (es) |
JP (1) | JPS57118568A (es) |
KR (1) | KR880001314B1 (es) |
AR (1) | AR229801A1 (es) |
AT (1) | ATE12491T1 (es) |
AU (1) | AU557053B2 (es) |
BG (1) | BG47942A3 (es) |
BR (1) | BR8107585A (es) |
CA (1) | CA1229612A (es) |
CS (1) | CS228525B2 (es) |
DD (1) | DD200969A5 (es) |
DE (1) | DE3169738D1 (es) |
DK (1) | DK171022B1 (es) |
EG (1) | EG15683A (es) |
ES (3) | ES507332A0 (es) |
GB (1) | GB2087887B (es) |
GR (1) | GR77297B (es) |
HU (1) | HU188711B (es) |
IE (1) | IE52802B1 (es) |
IL (1) | IL64220A (es) |
KE (1) | KE3798A (es) |
MA (1) | MA19337A1 (es) |
MY (1) | MY8700515A (es) |
NZ (1) | NZ199006A (es) |
OA (1) | OA06956A (es) |
PH (1) | PH18472A (es) |
PL (1) | PL132171B1 (es) |
PT (1) | PT74020B (es) |
RO (3) | RO87037B (es) |
SG (1) | SG8688G (es) |
SU (1) | SU1356950A3 (es) |
TR (1) | TR22684A (es) |
ZA (1) | ZA818032B (es) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4744819A (en) * | 1984-10-23 | 1988-05-17 | Daicel Chemical Industries Ltd. | 4-oxo pyridinecarboxamide derivatives as plant growth regulators |
US4725306A (en) * | 1984-11-09 | 1988-02-16 | Daicel Chemical Industries Ltd. | Pyridinecarboxamide plant growth inhibitors |
GR861640B (en) * | 1985-07-02 | 1986-10-24 | May & Baker Ltd | Insecticide method by using diflufenican |
NO172961C (no) * | 1985-07-23 | 1993-10-06 | May & Baker Ltd | Herbicid preparat, samt anvendelse derav for kontroll av ugressvekst i kornavlinger |
US5264411A (en) * | 1985-07-23 | 1993-11-23 | May & Baker Limited | Herbicidal method comprising the use of diflufenican |
GB8526735D0 (en) * | 1985-10-30 | 1985-12-04 | May & Baker Ltd | Compositions of matter |
US4692185A (en) * | 1986-01-13 | 1987-09-08 | Stauffer Chemical Company | N-(ortho-substituted) benzyl, 3-trifluoromethylphenoxy nicotinamides as herbicides |
GB8617740D0 (en) * | 1986-07-21 | 1986-08-28 | May & Baker Ltd | Compositions of matter |
GB8617741D0 (en) * | 1986-07-21 | 1986-08-28 | May & Baker Ltd | Compositions of matter |
GB8630806D0 (en) * | 1986-12-23 | 1987-02-04 | May & Baker Ltd | Compositions of matter |
GB8630697D0 (en) * | 1986-12-23 | 1987-02-04 | May & Baker Ltd | Compositions of matter |
GB8630698D0 (en) * | 1986-12-23 | 1987-02-04 | May & Baker Ltd | Compositions of matter |
GB8710362D0 (en) * | 1987-05-01 | 1987-06-03 | Shell Int Research | Anilide herbicides |
GB8710584D0 (en) * | 1987-05-05 | 1987-06-10 | May & Baker Ltd | Compositions of matter |
GB8710585D0 (en) * | 1987-05-05 | 1987-06-10 | May & Baker Ltd | Compositions of matter |
US4861891A (en) * | 1988-08-31 | 1989-08-29 | Pfizer Inc. | Antidepressant N-substituted nicotinamide compounds |
FR2639185B1 (fr) * | 1988-11-22 | 1991-01-25 | Rhone Poulenc Agrochimie | Produit herbicide, son utilisation et procede pour la lutte selective contre les mauvaises herbes dans les cultures de riz et de cereales |
DE4021439A1 (de) * | 1989-12-14 | 1991-06-20 | Bayer Ag | 2-iminopyridin-derivate |
GB9005965D0 (en) * | 1990-03-16 | 1990-05-09 | Shell Int Research | Herbicidal carboxamide derivatives |
GB9025828D0 (en) * | 1990-11-28 | 1991-01-09 | Shell Int Research | Herbicidal carboxamide derivatives |
TR25135A (tr) * | 1991-03-13 | 1992-11-01 | Shell Int Research | HERBISID ÖZELLIKTE KARBOKSAMID TüREVLERI |
DE69627709T2 (de) | 1995-12-28 | 2004-02-26 | Kureha Kagaku Kogyo K.K. | N-(unsubstituierte oder substituierte)-4-substituierte-6-(unsubstituierte oder substituierte)phenoxy-2-pyridincarboxamide oder -thiocarboxamide, verfahren zu deren herstellung sowie herbizide |
ES2212005T3 (es) | 1996-03-21 | 2004-07-16 | Lonza Ag | Procedimiento para preparar arilamidas de acidos carboxilicos heteroaromaticos. |
SK283920B6 (sk) * | 1996-03-28 | 2004-05-04 | Lonza Ag | Spôsob výroby arylamidov heteroaromatických karboxylových kyselín |
DE59701125D1 (de) * | 1996-05-09 | 2000-03-23 | Lonza Ag | Verfahren zur Herstellung von Arylamiden heteroaromatischer Carbonsäuren |
US5900484A (en) | 1996-09-18 | 1999-05-04 | Lonza Ag | Process for the preparation of arylamides of heteroaromatic carboxylic acids |
CA2209392C (en) * | 1996-07-23 | 2007-02-20 | Yves Bessard | Process for preparing pyridinecarboxylic esters |
ID22781A (id) * | 1997-04-04 | 1999-12-09 | Pfizer Prod Inc | Turunan-turunan nikotinamida |
DE19854081A1 (de) * | 1998-11-24 | 2000-05-25 | Bayer Ag | Substituierte N-Pyrazolyl-phenoxynicotinsäure-(thio)amide |
DE19946852A1 (de) * | 1999-09-30 | 2001-04-05 | Bayer Ag | Substituierte N-Phenyl-phenoxynicotinsäure-(thio)amide |
KR100661081B1 (ko) * | 2000-06-10 | 2006-12-26 | 동화약품공업주식회사 | 항바이러스제로 유용한 6-메틸니코틴아미드 유도체 |
ES2375223T3 (es) * | 2001-05-31 | 2012-02-27 | Nihon Nohyaku Co., Ltd. | Derivados de anilida substituidos, intermediarios de los mismos, productos químicos agrícolas y hortícolas y su utilización. |
DE102004047927A1 (de) * | 2004-10-01 | 2006-04-06 | Bayer Cropscience Gmbh | Wässrige Dispersionen enthaltend Diflufenican |
AU2006200731B2 (en) | 2005-03-31 | 2011-05-19 | Sumitomo Chemical Company, Limited | Emulsifiable concentrate |
JP4862989B2 (ja) * | 2006-03-09 | 2012-01-25 | 日産化学工業株式会社 | 除草剤組成物 |
EP2052606A1 (de) | 2007-10-24 | 2009-04-29 | Bayer CropScience AG | Herbizid-Kombination |
DE102008037620A1 (de) * | 2008-08-14 | 2010-02-18 | Bayer Crop Science Ag | Herbizid-Kombination mit Dimethoxytriazinyl-substituierten Difluormethansulfonylaniliden |
US8309734B2 (en) * | 2008-10-29 | 2012-11-13 | Hoffmann-La Roche Inc. | Substituted pyridines as GPBAR1 agonists |
CN103220911B (zh) | 2010-10-15 | 2017-02-15 | 拜耳知识产权有限责任公司 | Als抑制剂除草剂用于在对als抑制剂除草剂耐受的甜菜植物中防治不想要的植物的用途 |
AU2012251597B2 (en) | 2011-05-04 | 2015-11-05 | Bayer Intellectual Property Gmbh | Use of ALS inhibitor herbicides for control of unwanted vegetation in ALS inhibitor herbicide tolerant Brassica, such as B. napus, plants |
CN102318608A (zh) * | 2011-07-06 | 2012-01-18 | 陕西美邦农药有限公司 | 一种含吡氟酰草胺与吡草醚的除草组合物 |
UA115577C2 (uk) | 2012-12-13 | 2017-11-27 | Байєр Кропсайєнс Акцієнгезелльшафт | Застосування гербіцидів на основі інгібітору als для контролю небажаної рослинності в посівах, стійких до гербіцидів, на основі інгібітору als рослин beta vulgaris |
WO2014117292A1 (zh) * | 2013-01-31 | 2014-08-07 | 中国科学院上海药物研究所 | 酰胺类化合物及其制备方法、药物组合物和用途 |
CN103947666A (zh) * | 2014-03-21 | 2014-07-30 | 江苏省农业科学院 | 一种含绿麦隆、丙草胺和吡氟酰草胺的农药组合物及其应用 |
CN104402814A (zh) * | 2014-12-01 | 2015-03-11 | 南通嘉禾化工有限公司 | 一锅法合成2-氯-n-(2,4-二氟苯基)烟酰胺的方法 |
RS58402B1 (sr) * | 2015-03-20 | 2019-04-30 | Bayer Cropscience Ag | Herbicidni sastavi koji sadrže izoksaflutol i diflufenikan kao jedine aktivne herbicidne sastojke |
WO2016173972A1 (en) | 2015-04-27 | 2016-11-03 | Bayer Cropscience Aktiengesellschaft | Use of certain herbicide combinations in tuberous root crop plants |
CN107529755A (zh) | 2015-04-27 | 2018-01-02 | 拜耳作物科学股份公司 | 某些除草剂结合物在块根作物植物中的用途 |
PT108561B (pt) | 2015-06-16 | 2017-07-20 | Sapec Agro S A | Mistura herbicida |
ES2907650T3 (es) | 2015-10-22 | 2022-04-25 | Adama Agan Ltd | Uso de una mezcla de herbicidas en patatas |
AU2019301628A1 (en) * | 2018-07-09 | 2021-01-28 | Lieber Institute, Inc. | Pyridine carboxamide compounds for inhibiting NaV1.8 |
CN116568137A (zh) | 2020-12-01 | 2023-08-08 | 拜耳公司 | 包含甲基二磺隆和tehp的组合物 |
WO2022117515A1 (en) | 2020-12-01 | 2022-06-09 | Bayer Aktiengesellschaft | Compositions comprising iodosulfuron-methyl and tehp |
CN113666868A (zh) * | 2021-08-11 | 2021-11-19 | 池州飞昊达化工有限公司 | 一种氟吡啶酰胺衍生物及其合成方法 |
GB2611348A (en) * | 2021-10-01 | 2023-04-05 | Rotam Agrochem Int Co Ltd | A crystalline form of diflufenican, a process for its preparation and use of the same |
AR127377A1 (es) | 2021-10-15 | 2024-01-17 | Kws Saat Se & Co Kgaa | Mutantes de beta vulgaris tolerantes a herbicidas inhibidores de als |
WO2024023035A1 (en) | 2022-07-25 | 2024-02-01 | Syngenta Crop Protection Ag | Herbicidal compositions |
WO2024083834A1 (en) * | 2022-10-18 | 2024-04-25 | Upl Mauritius Limited | A method of controlling weeds |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2197872A1 (en) * | 1972-09-04 | 1974-03-29 | Dynachim Sarl | 2-Phenoxy nicotinic esters and amides - prepd. by reaction of nicotinic acid anhydride or halide with an alcohol or amine |
GB1550574A (en) * | 1977-12-12 | 1979-08-15 | Ciba Geigy Ag | Pyridyloxy-phenoxy-propionic acid derivatives which are effective as herbicides and as agents regulating plant growth |
US4270946A (en) * | 1979-10-01 | 1981-06-02 | Stauffer Chemical Company | N-Aryl,2-phenoxy nicotinamide compounds and the herbicidal use thereof |
US4327218A (en) * | 1979-10-01 | 1982-04-27 | Stauffer Chemical Company | N-Aryl, 2-phenoxy nicotinamide compounds and the herbicidal use thereof |
-
1981
- 1981-11-05 IL IL64220A patent/IL64220A/xx not_active IP Right Cessation
- 1981-11-18 RO RO112516A patent/RO87037B/ro unknown
- 1981-11-18 RO RO105810A patent/RO83101B/ro unknown
- 1981-11-18 RO RO112517A patent/RO87038B/ro unknown
- 1981-11-19 PL PL1981233901A patent/PL132171B1/pl unknown
- 1981-11-19 BG BG054211A patent/BG47942A3/xx unknown
- 1981-11-19 CA CA000390462A patent/CA1229612A/en not_active Expired
- 1981-11-19 NZ NZ199006A patent/NZ199006A/en unknown
- 1981-11-19 AT AT81305475T patent/ATE12491T1/de not_active IP Right Cessation
- 1981-11-19 DK DK513481A patent/DK171022B1/da not_active IP Right Cessation
- 1981-11-19 PH PH26522A patent/PH18472A/en unknown
- 1981-11-19 EP EP81305475A patent/EP0053011B1/en not_active Expired
- 1981-11-19 ZA ZA818032A patent/ZA818032B/xx unknown
- 1981-11-19 DE DE8181305475T patent/DE3169738D1/de not_active Expired
- 1981-11-19 AU AU77632/81A patent/AU557053B2/en not_active Expired
- 1981-11-19 JP JP56186089A patent/JPS57118568A/ja active Granted
- 1981-11-19 IE IE2713/81A patent/IE52802B1/en not_active IP Right Cessation
- 1981-11-19 GB GB8134876A patent/GB2087887B/en not_active Expired
- 1981-11-20 MA MA19541A patent/MA19337A1/fr unknown
- 1981-11-20 PT PT74020A patent/PT74020B/pt unknown
- 1981-11-20 DD DD81235017A patent/DD200969A5/de not_active IP Right Cessation
- 1981-11-20 GR GR66584A patent/GR77297B/el unknown
- 1981-11-20 CS CS818553A patent/CS228525B2/cs unknown
- 1981-11-20 HU HU813480A patent/HU188711B/hu unknown
- 1981-11-20 BR BRPI8107585-5A patent/BR8107585A/pt not_active IP Right Cessation
- 1981-11-20 KR KR1019810004489A patent/KR880001314B1/ko active
- 1981-11-20 TR TR7731/81A patent/TR22684A/xx unknown
- 1981-11-20 ES ES507332A patent/ES507332A0/es active Granted
- 1981-11-20 SU SU813424175A patent/SU1356950A3/ru active
- 1981-11-20 AR AR287523A patent/AR229801A1/es active
- 1981-11-21 EG EG680/81A patent/EG15683A/xx active
- 1981-11-21 OA OA57552A patent/OA06956A/xx unknown
-
1982
- 1982-09-28 ES ES515995A patent/ES515995A0/es active Granted
-
1983
- 1983-02-25 ES ES520104A patent/ES520104A0/es active Granted
-
1984
- 1984-06-15 US US06/621,102 patent/US4618366A/en not_active Expired - Lifetime
-
1987
- 1987-12-30 MY MY515/87A patent/MY8700515A/xx unknown
-
1988
- 1988-02-05 SG SG86/88A patent/SG8688G/en unknown
- 1988-02-19 KE KE3798A patent/KE3798A/xx unknown
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