WO1993024474A1 - Thiadiazoline und ihre verwendung als herbizide - Google Patents
Thiadiazoline und ihre verwendung als herbizide Download PDFInfo
- Publication number
- WO1993024474A1 WO1993024474A1 PCT/EP1993/001252 EP9301252W WO9324474A1 WO 1993024474 A1 WO1993024474 A1 WO 1993024474A1 EP 9301252 W EP9301252 W EP 9301252W WO 9324474 A1 WO9324474 A1 WO 9324474A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alkyl
- halogen
- optionally substituted
- methyl
- trifluoromethylphenyl
- Prior art date
Links
- 0 C*(C)c1nnc(NC)[s]1 Chemical compound C*(C)c1nnc(NC)[s]1 0.000 description 2
- GWIJFUKQOWEBOP-UHFFFAOYSA-N CC1C=CC=CC1F Chemical compound CC1C=CC=CC1F GWIJFUKQOWEBOP-UHFFFAOYSA-N 0.000 description 1
- MMZYCBHLNZVROM-UHFFFAOYSA-N Cc(cccc1)c1F Chemical compound Cc(cccc1)c1F MMZYCBHLNZVROM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
- C07D285/01—Five-membered rings
- C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
- C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
- C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
- C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
- C07D285/135—Nitrogen atoms
-
- 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
Definitions
- the invention relates to new thiadiazolines, a process for their preparation and their use as herbicides.
- n stands for the numbers 0, 1, 2 or 3
- R 1 for C 1 -C 6 alkyl which is optionally substituted by halogen or C 1 -C 4 alkoxy, for C 3 -C 6 cycloalkyl or C 3 -C 6 cycloalkyl-C j -C 2 alkyl , which are each optionally substituted by halogen and / or C 1 -C 4 -alkyl, for phenyl, fluorophenyl, difluorophenyl, 2-chlorophenyl, 4-chlorophenyl, bromophenyl, nitrophenyl, cyanophenyl, 2-methylphenyl, 4-methylphenyl, trifluoromethylphenyl,
- Chlorodi fluoromethylphenyl Fluordichlormethylphenyl, bis-trifluoromethylphenyl, ethylphenyl, propylphenyl, isopropylphenyl, tert-butylphenyl, methoxyphenyl, dimethoxyphenyl, ethoxyphenyl, propoxyphenyl, isopropoxyphenyl, methylthiophenyl, ethylthiophenyl, methylsulfinylphenyl, Ethylsulfinylphenyl, methyl sulfonylphenyl, ethylsulphonylphenyl, difluoromethoxyphenyl, trifluoromethoxyphenyl, Difluormethylthiophenyl, trifluoromethylthiophenyl, or for furyl, tetrahydrofuryl, thienyl, tetrahydrothienyl or pyrid
- R 3 for halogen, cyano, nitro, carboxy, carbamoyl, or for each optionally substituted by halogen ized C 1 -C 4 alkyl, C 1 -C 4 alkoxy or C 1 -C 4 alkoxycarbonyl.
- X for halogen especially for chlorine or bromine
- the compounds of the formula (I) according to the invention show good tolerance to crop plants, such as Wheat and partly also against beets, considerably stronger effect against one
- the invention preferably relates to compounds of the formula (I) in which n represents the numbers 0, 1, 2 or 3,
- R 1 for C 1 -C 4 alkyl which is optionally substituted by fluorine, chlorine, bromine, methoxy or ethoxy, for C 3 -C 6 cycloalkyl or C 3 -C 6 cycloalkyl- C 1 - C 2 alkyl which are each optionally substituted by fluorine, chlorine, bromine, methyl, ethyl, propyl or isopropyl, for phenyl, 2-, 3- or 4-fluorophenyl, 2,3-, 2,4-, 2,5- , 3,4-, 3,5- or 2,6-difluorophenyl, 2-chloro- or 4-chlorophenyl, 4-bromophenyl, 2-, 3- or 4-nitrophenyl, 2-, 3- or 4-cyanophenyl, 2-methyl- or 4-methylphenyl, 2-, 3- or 4-trifluoromethylphenyl, 3,5-bis-trifluoromethylphenyl, 4-ethylphenyl, 4-propylpheny
- R 2 represents C 1 -C 3 alkyl
- R 3 for fluorine, chlorine, bromine, cyano, nitro, carboxy
- the invention relates in particular to compounds of the formula (I) in which n represents the numbers 0, 1 or 2,
- R 2 represents methyl
- R 3 for fluorine, chlorine, bromine, cyano, nitro, methyl
- Alkyl is - also in connection with heteroatoms, e.g. in alkoxy - in each case for straight-chain or branched alkyl, even if this is not expressly mentioned,
- Halogen in each case represents fluorine, chlorine, bromine or iodine, preferably fluorine, chlorine or bromine, in particular fluorine or chlorine.
- thiadiazoles of the general formula (II) to be used as starting materials are known and / or can be prepared by known processes (cf. US Pat. No. 3,522,267, DE-OS 1816696, DE-OS 2100057, DE-OS 2231664, DE-OS 2247330 , DE-OS 2440922, DE-OS 2541115, DE-OS
- the aralkyl halides of the formula (III) to be used as starting materials are known organic synthesis chemicals.
- diluents All inert organic solvents can be used as diluents. These preferably include aliphatic and aromatic, optionally halogenated hydrocarbons such as pentane, hexane, heptane, cyclohexane, petroleum ether, gasoline, ligroin, benzene, toluene ol, xylene, methylene chloride, ethylene chloride, chloroform, carbon tetrachloride, chlorobenzene and o-dichlorobenzene, ethers such as diethyl and dibutyl ether, glycol dimethyl ether and diglycol dimethyl ether, tetrahydrofuran and dioxane, ketones such as acetone, methyl ethyl, methyl isopropyl and methyl -isobutylene, ethers such as diethyl and dibutyl ether, glycol dimethyl ether and diglycol dimethyl
- amides such as. B, dimethyl formamide, dimethyl acetamide and N-methyl-pyrrolidone as well as dimethyl sulfoxide, tetramethylene sulfone and hexamethyl phosphoric acid triamide.
- acid acceptors in the invention are dimethyl formamide, dimethyl acetamide and N-methyl-pyrrolidone as well as dimethyl sulfoxide, tetramethylene sulfone and hexamethyl phosphoric acid triamide.
- Alkali metal and alkaline earth metal hydrides such as lithium, sodium, potassium and calcium hydride
- alkali metal and alkaline earth metal hydroxides such as lithium, sodium, potassium and calcium hydroxide, alkali metal
- alkaline earth metal carbonates and hydrogen carbonates such as sodium and potassium carbonate or hydrogen carbonate, and calcium carbonate
- alkali metal acetates such as sodium and potassium acetate
- alkali metal alcoholates such as sodium and potassium methylate
- reaction temperatures can be varied within a wide range in the process according to the invention. In general, temperatures between 0 ° C and 200 ° C, preferably at temperatures between 20 ° C and 150 ° C.
- the process according to the invention is generally carried out under normal pressure. However, it is also possible to work under increased or reduced pressure,
- the starting materials required in each case are generally used in approximately equimolar amounts. However, it is also possible to use one of the two components used in each case in a larger excess.
- the reactions are generally carried out in a suitable diluent, if appropriate in the presence of an acid acceptor, and the reaction mixture is stirred for several hours at the temperature required in each case.
- Working up in the process according to the invention is carried out in each case by customary methods (cf. the preparation examples).
- the active compounds according to the invention can be used as defoliants, desiccants, haulm killers and in particular as weed killers. Weeds in the broadest sense are all plants hen growing up in places where they are undesirable. Whether the substances according to the invention act as total or selective herbicides depends essentially on the amount used.
- the active compounds according to the invention can e.g. can be used in the following plants:
- the compounds are suitable for total weed control, e.g. on industrial and track systems and on paths and squares with and without tree cover.
- the compounds for weed control in permanent crops e.g. Forest, ornamental wood, fruit, wine, citrus, nut, banana, coffee, tea, rubber, oil palm, cocoa, berry fruit and hop plants, on ornamental and sports turf and pasture land and for selective purposes Weed control can be used in annual crops.
- the compounds of the formula (I) according to the invention are particularly suitable for the selective control of dicotyledon weeds in monocotyledon and dicotyledon crops, especially in the post-emergence process.
- the active ingredients can be converted into the customary formulations, such as solutions, emulsions, wettable powders, suspensions, powders, dusts, pastes, soluble powders, granules, suspension emulsion concentrates, active ingredient-impregnated natural and synthetic substances and very fine encapsulations in polymeric substances.
- formulations are produced in a known manner provides, e.g. B. by mixing the active ingredients with
- Extenders that is to say liquid solvents and / or solid carriers, if appropriate using surface-active agents, that is to say emulsifiers and / or dispersants and / or foam-generating agents,
- organic solvents can also be used as auxiliary solvents.
- liquid solvents aromatics, such as xylene, toluene, or alkylnaphthalenes, chlorinated aromatics and chlorinated aliphatic hydrocarbons, such as chlorobenzenes, chlorethylenes or ethylene chloride, aliphatic hydrocarbons, such as cyclohexane or paraffins, for example, petroleum fractions, mineral and vegetable oils, alcohols , such as butanol or glycol and their ethers and
- Esters such as acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone, strongly polar solvents such as dimethyl formamide and dimethyl sulfoxide, and
- Suitable emulsifying and / or foam-generating agents are: for example nonionic and anionic emulsifiers, such as polyoxyethylene fatty acid esters, polyoxyethylene fatty alcohol ethers, for example alkylaryl polyglycol ethers, alkyl sulfonates, alkyl sulfates, aryl sulf
- Adhesives such as carboxymethyl cellulose, natural and synthetic polymers in the form of powders, granules or latices, such as gum arabic cum, polyvinyl alcohol, polyvinyl acetate, and also natural phospholipids, such as cephalins and lecithins and synthetic phospholipids, can be used in the formulations, and other additives can be mineral and vegetable oils,
- Dyes such as inorganic pigments, e.g. iron oxide, titanium oxide, ferrocyan blue and organic dyes such as alizarin, azo and metal lphthalocyanine dyes and trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum and zinc can be used
- the formulations generally contain between 0.1 and 95 percent by weight of active compound, preferably between 0.5 and 90%.
- the active compounds according to the invention can be used as such, or in their formulations, in a mixture with known herbicides for weed control, where with finished formulations or tank mixes are possible.
- herbicides are suitable for the mixtures, for example anilides, such as, for example, diflufenican and propanil; Aryl carboxylic acids such as dichloropicolinic acid, dicamba and picloram; Aryloxyalkanoic acids such as, for example, 2.4 D, 2.4 DB, 2.4 DP, fluroxypyr, MCPA, MCPP and triclopyr; Aryloxy-phenoxy-alkanoic acid esters, such as, for example, diclofop-methyl, fenoxaprop-ethyl, fluazifop-butyl, haioxyfop-methyl and quizalofop-ethyl; Azinones such as chloridazon and norflurazon; Carbamates such as chloropropham, desmedipham, phenmedipham and propham; Chloroacetanilides such as, for example, alachlor, acetochlor, butachlor, metazachlor, metolachlor,
- a mixture with other known active compounds such as fungicides, insecticides, acaricides, nematicides, bird repellants, plant nutrients and agents which improve soil structure, is also possible.
- the active compounds can be used as such, in the form of their formulations or in the use forms prepared therefrom by further dilution, such as ready-to-use solutions, suspensions, emulsions, powders, pastes and granules. They are used in the usual way, e.g. by pouring, spraying, spraying, sprinkling.
- the active compounds according to the invention can be applied both before and after emergence of the plants,
- the amount of active ingredient used can vary over a wide range, it essentially depends on the type of the desired effect. In general, the application rates are between 1 g and 10 kg of active ingredient per hectare of soil, preferably between 5 g and 5 kg per ha.
- Post-emergence test solvent 5 parts by weight of acetone
- Emulsifier 1 part by weight of alkylaryl polyglycol ether
- a suitable active ingredient preparation 1 part by weight of active ingredient is mixed with the stated amount of solvent, the stated amount of emulsifier is added and the concentrate is diluted with water to the desired concentration.
- Test material with a height of 5 - 15 cm is sprayed with the preparation of the drug so that the desired amounts of active ingredient are applied per unit area. After three weeks, the degree of damage to the plants is rated in% damage in comparison to the development of the untreated control.
- the compounds according to the preparation examples show a clear superiority in effectiveness compared to the prior art; (9) and (10), the compound according to example (10) also having very good beet tolerance.
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)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6500144A JPH07507282A (ja) | 1992-06-02 | 1993-05-19 | チアジアゾリン |
EP93912728A EP0643707A1 (de) | 1992-06-02 | 1993-05-19 | Thiadiazoline und ihre verwendung als herbizide |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19924218157 DE4218157A1 (de) | 1992-06-02 | 1992-06-02 | Thiadiazoline |
DEP4218157.7 | 1992-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993024474A1 true WO1993024474A1 (de) | 1993-12-09 |
Family
ID=6460218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1993/001252 WO1993024474A1 (de) | 1992-06-02 | 1993-05-19 | Thiadiazoline und ihre verwendung als herbizide |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0643707A1 (de) |
JP (1) | JPH07507282A (de) |
AU (1) | AU4314093A (de) |
CA (1) | CA2136997A1 (de) |
DE (1) | DE4218157A1 (de) |
WO (1) | WO1993024474A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995032193A1 (de) * | 1994-05-24 | 1995-11-30 | Bayer Aktiengesellschaft | Herbizide substituierte thiadiazoline |
EP0782996A1 (de) * | 1994-09-20 | 1997-07-09 | Wakunaga Seiyaku Kabushiki Kaisha | Verfahren zur herstellung von n-biphenylmethylthiadiazolin derivaten oder deren salzen sowie dafür benötigte zwischen verbindungen |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3522267A (en) * | 1962-05-28 | 1970-07-28 | Ciba Ltd | 1,3,4-thiadiazoles and their salts |
US4020078A (en) * | 1974-09-04 | 1977-04-26 | Gulf Oil Corporation | 3-Benzyl-2-methylimino-5-phenyl-delta-4-1,3,4-thiadiazolines |
-
1992
- 1992-06-02 DE DE19924218157 patent/DE4218157A1/de not_active Withdrawn
-
1993
- 1993-05-19 AU AU43140/93A patent/AU4314093A/en not_active Abandoned
- 1993-05-19 EP EP93912728A patent/EP0643707A1/de not_active Withdrawn
- 1993-05-19 CA CA 2136997 patent/CA2136997A1/en not_active Abandoned
- 1993-05-19 JP JP6500144A patent/JPH07507282A/ja active Pending
- 1993-05-19 WO PCT/EP1993/001252 patent/WO1993024474A1/de not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3522267A (en) * | 1962-05-28 | 1970-07-28 | Ciba Ltd | 1,3,4-thiadiazoles and their salts |
US4020078A (en) * | 1974-09-04 | 1977-04-26 | Gulf Oil Corporation | 3-Benzyl-2-methylimino-5-phenyl-delta-4-1,3,4-thiadiazolines |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995032193A1 (de) * | 1994-05-24 | 1995-11-30 | Bayer Aktiengesellschaft | Herbizide substituierte thiadiazoline |
EP0782996A1 (de) * | 1994-09-20 | 1997-07-09 | Wakunaga Seiyaku Kabushiki Kaisha | Verfahren zur herstellung von n-biphenylmethylthiadiazolin derivaten oder deren salzen sowie dafür benötigte zwischen verbindungen |
EP0782996A4 (de) * | 1994-09-20 | 1997-11-05 | Wakunaga Seiyaku Kk | Verfahren zur herstellung von n-biphenylmethylthiadiazolin derivaten oder deren salzen sowie dafür benötigte zwischen verbindungen |
US5965738A (en) * | 1994-09-20 | 1999-10-12 | Wakunaga Seiyaku Kabushiki Kaisha | Process for producing N-biphenylmethylthiadiazoline derivative or salt thereof and intermediate for producing the same |
Also Published As
Publication number | Publication date |
---|---|
DE4218157A1 (de) | 1993-12-09 |
EP0643707A1 (de) | 1995-03-22 |
AU4314093A (en) | 1993-12-30 |
CA2136997A1 (en) | 1993-12-09 |
JPH07507282A (ja) | 1995-08-10 |
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