"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7141590 | Pharmaceutical uses and synthesis of nicotinanilide-N-oxides Disclosed are nicotinanilide-N-oxide compounds, methods for their production, pharmaceutical compositions which include these compounds, and methods for their use in various therapies. ... | 11/28/2006 |
| 5856273 | Herbicidally active phenylsubstituted 5-and 6-membered heterocyclic compounds A compound of formula (I): ##STR1## where E is oxygen or sulphur; A is CR3 or N where R3 is hydrogen or hydrocarbyl; D completes a 5 or 6-membered non-aromatic heterocyclic ring which optionally contains additional heteroatoms s... | 01/05/1999 |
| 5773388 | Pyrimidine derivatives, herbicides and plant growth regulators Novel pyrimidine derivatives of the formula (I): ##STR1## wherein R1 is a C1 -C6 haloalkyl group, a C1 -C6 alkyl group, a C3 -C6 cycloalkyl group or the like, R2 is a hydrogen atom, a ... | 06/30/1998 |
| 5527764 | 3-arylthionouracils useful as herbicides, defoliants, and desiccants Compounds having the structural formula ##STR1## wherein R1 is C1 -C4 alkyl, R2 is C1 -C4 alkyl or haloalkyl, R3 and R4 are hydrogen or halogen, and R5... | 06/18/1996 |
| 5228898 | Substituted bicycloheptandione derivatives This invention relates to substituted bicycloheptadione derivatives with high herbicidal activity which are represented by general formula (I) ##STR1## (where R1 is a lower alkyl group, a phenyl group which may be substituted, an aralkyl g... | 07/20/1993 |
| 5223017 | Substituted sulfonylalkylsulfonylureas and their use as herbicides and plant growth regulators Compounds of formula (I) or salts thereof, ##STR1## in which J is a radical of the formula R1 SO2 --CR2 R3 --, R4 R5 N--SO2 --CR2 R3 --, or ##STR2## ... | 06/29/1993 |
| 5221315 | Sulfonylureas N-Pyridinesulfonyl-N'-pyrimidinyl- and -triazinylureas of the formula I ##STR1## in which R1 and R2 independently of one another are hydrogen, C1 -C8 alkyl or C3 -C8 cycloalkyl; C2 | 06/22/1993 |
| 5217521 | Triazolylsulfonamides N-Phenyl-triazolopyrimidinyl-sulfonamides of formula I ##STR1## wherein R1 is halogen, phenyl, O-phenyl, C1 -C4 alkyl, C1 -C4 haloalkyl, --OR8, --OR9, nitro, hydroxy, cyano, ... | 06/08/1993 |
| 5209771 | Sulfonylureas N-Phenylsulfonyl N'-triazinylureas and -thioureas of formula I ##STR1## in which X is oxygen, sulfur, SO or SO2 ; W is oxygen or sulfur; R1 is hydrogen or methyl; R2 is hydrogen, fluorine, chlorine, bromine, iodine, (... | 05/11/1993 |
| 5201937 | Salicyclic acid derivatives Salicylic acid derivatives of the formula I ##STR1## (R1 is succinimidoxy; unsubstituted or substituted hetaryl; OR5 where R5 is substituted or unsubstituted cycloalkyl, alkyl, alkenyl, alkynyl, phenyl or substituted ... | 04/13/1993 |
| 5198014 | Herbicidal beta-pyrazolylacrylic acid compound This application discloses hebricidal B-pyrazolylacrylic acids, compositions containing them, methods of preparing them, and methods for controlling undesired plant growth by preemergent or postemergent application of the herbicidal compositions to the lo... | 03/30/1993 |
| 5190575 | 5-substituted-2,4-diphenylpyrimidine derivatives and their use A compound of the formula (I): ##STR1## wherein R1 represents a hydrogen atom, or a halogen atom, a (C1 to C3)-alkyl group, a halo-(C1 to C3)-alkyl group, a (C1 to C6)-alkox... | 03/02/1993 |
| 5188657 | Herbicidal sulfonylureas and their use Substituted sulfonylureas of the formula I ##STR1## where n and m are each 0 or 1, R1 is hydrogen, alkyl alkenyl or alkynyl, R2 is halogen or trifluoromethyl when m is 0, or is alkyl, alkenyl or alkynyl when m is 1, or is triflu... | 02/23/1993 |
| 5180418 | Herbicidally active thiadiazabicyclononanes and nonenes Cycloalkanecarboxylic acid derivatives of formula I ##STR1## wherein W is ##STR2## and A is CO--R3 or CN; R1 is hydrogen or fluorine; R2 is halogen or cyano; R3 is chlorine, X--R5, amino, C | 01/19/1993 |
| 5178662 | Benzaldehyde acetal compounds, preparation process thereof, and herbicidal compositions containing the same as active ingredients Benzaldehyde acetal compounds represented by the following formula: ##STR1## in which each R is a C3-8 alkyl group and forms an ether bond with the corresponding oxygen atom of the orthoaldehyde moiety have no injury to crops and, moreover... | 01/12/1993 |
| 5171353 | Sulfonamides Sulfonamides of the general formula I ##STR1## where R1 is hydrogen of C1 -C4 -alkyl, R2 is hydrogen or substituted or unsubstituted C1 -C6 -alkyl; C3 -C4 -alkenyl; C | 12/15/1992 |
| 5171352 | Agents for defoliating cotton Cotton plants are defoliated by the action of an amount, having a defoliant effect, of a phenylsulfonylurea Ia or Ib ##STR1## where R1 is C1 -C4 -alkyl or C3 -C5 -alkoxyalkyl, and these radicals ... | 12/15/1992 |
| 5169432 | Substituted 2,6-substituted pyridine herbicides Substituted pyridines having at the 3 or 5 position a carbonyl oxy(thio)ester or a heterocyclocarbonyl and at the other a substituted alkyl group, herbicidal compositions and methods of use thereof.... | 12/08/1992 |
| 5169431 | Uracil derivatives, and their production and use A compound of the formula: ##STR1## wherein R is a lower alkyl group, A is a hydrogen atom, a fluorine atom or a chlorine atom, X is an oxygen atom or a sulfur atom, Y is a hydrogen atom, a fluorine atom, a chlorine atom or a bromine atom and Z is a ... | 12/08/1992 |
| 5167691 | Herbicidal 5-amino-1-phenyl pyrazole compounds This application discloses herbicidal 1-aryl-pyrazoles, compositions containing them, methods of preparing them, and methods for controlling undesired plant growth by preemergent or postemergent application of the herbicidal compositions to the locus wher... | 12/01/1992 |
| 5163996 | Sulfonylureas N-phenyl-sulfonyl-N'-pyrimidinyl- and -triazinyl-ureas of formula I ##STR1## wherein R is hydrogen or C1 -C4 alkyl; R1 is hydrogen, halogen, C1 -C5 alkyl, C2 -C5 alkenyl, C1... | 11/17/1992 |
| 5160363 | Herbicidal sulfonamides The novel compounds of Formula I are active as pre-emergent and/or post-emergent herbicides or plant growth regulants. Some of the compounds of the invention show safety to sugarbeets.... | 11/03/1992 |
| 5156668 | Benzoxazinyl-pyrazoles and their use as herbicides A compound of the formula: ##STR1## wherein R is a C1 -C5 alkyl group, a C3 -C6 alkenyl group, a C3 -C6 alkynyl group or a C1 -C3 alkoxy(C1 -C3 | 10/20/1992 |
| 5154751 | Herbicidal urea compounds and compositions The invention relates to novel compositions having herbicidal and plant growth regulating properties and containing, as active ingredient, a compound of formula I ##STR1## wherein R1 to R6 are as defined in the description, to n... | 10/13/1992 |
| 5154755 | Uracil derivatives and herbicides containing the same as active ingredient Disclosed herein is uracil derivatives having a trifluoromethyl group at the 6-position and a phenyl group at the 3-position which has a NHSO2 D26 group at 5-position of the benzene ring, halogen atom at 4-position thereof and hydrog... | 10/13/1992 |
| 5151113 | Herbicidal 2-(phenoxy or phenylthio)-2-(pyrimidinyloxy or 1,3,5-triazinyloxy)-alkanoic acids 2-(Phenoxy or phenylthio)-2-(pyrimidinyloxy or 1,3,5-triazinyloxy)alkanoic acid compounds, such as ethyl 2-(2-fluorophenoxy)-2-(4,6-dimethylpyrimidin-2-yl-oxy)acetate, were prepared by the reaction of a phenol or thiophenol compound with a 2-chloro-2... | 09/29/1992 |
| 5149357 | Herbicidal substituted benzoylsulfonamides Compound of the formula ##STR1## in which A is O, S, or NR3 ; G is CH or N; R and R1 are independently alkyl, alkoxy, haloalkoxy or alkylamino; R2 is phenyl, substituted phenyl, alkyl, cycloalkyl, haloalkyl or --CH | 09/22/1992 |
| 5139565 | Substituted pyridinesulfonamide compounds, and herbicidal compositions containing them A substituted pyridinesulfonamide compound having the formula (I): ##STR1## wherein R1 is an alkyl group, a haloalkyl group, an alkoxyalkyl group or an alkenyl group, R2 is a hydrogen atom, an alkyl group, a haloalkyl group, an ... | 08/18/1992 |
| 5129941 | Heterocyclically substituted sulfonylureas, and their use as herbicides or plant growth regulators Sulfonylureas of the formula ##STR1## where A is a bond or a C1 -C10 -hydrocarbon radical, R1 is an optionally unsaturated hydrocarbon radical which is optionally substituted by halogen, optionally unsaturated alkoxy, ... | 07/14/1992 |
| 5129943 | Substituted pyridine compounds Disclosed herein are 2- or 6-fluoromethyl-3-pyridinecarboxylate derivatives with 5-[(heterocyclic)ylidene]amino substitution useful as herbicides and herbicide intermediates.... | 07/14/1992 |
| 5129938 | Pyrimidine derivatives A herbicidal pyrimidine derivative having the formula, ##STR1## wherein R1, R2, R3, R4, Y1, Y2, Y3, X and Z are defined as in the specification.... | 07/14/1992 |
| 5127937 | N-substituted-3-(nitrogen-containing 5-membered ring)-benzenesulfonamide derivatives, and herbicidal compositions Disclosed herein are N-substituted-3-(nitrogen-containing 5-membered ring)benzenesulfonamide derivatives of the formula (I): ##STR1## R1 is H, Cl, C1 -C3 alkyl or C1 -C4 alkoxycarbonyl; Z is CH o... | 07/07/1992 |
| 5127935 | Uracil derivatives and herbicides containing the same as active ingredient Disclosed herein is uracil derivatives having a haloalkyl group at the 5-position and a phenyl group at the 2-position which has a specific substituent, which are represented by the formula (I) and showing penetrative translocation activity and a very hig... | 07/07/1992 |
| 5125961 | Substituted pyridine compounds Substituted pyridines characterized by having been substituted in the 3-position with an isoxazolyl or isothiazolyl radical. A method of using such pyridines as herbicides and herbicidal compositions containing such pyridines are described. Methods of pre... | 06/30/1992 |
| 5125957 | Pyrimidine derivatives A pyrimidine derivative represented by the formula ##STR1## wherein the variables are defined below in the specification, and their production and herbicidal activities are described.... | 06/30/1992 |
| 5123953 | Dihalogenated herbicidal sulphones Compounds of formula: ##STR1## in which: n=0, 1, 2 f=0, 1 Ar is an optionally substituted phenyl or pyridyl group U a chlorine or bromine atom V a bromine or chlorine or iodine atom B is C1 -C10 alkyl, C3 -C10 cycloa... | 06/23/1992 |
| 5116403 | Turfgrass management composition using a 2-imidazole-2-yl nicotinic acid derivative composition The present invention relates to chemical compositions comprising imidazolinone compounds that are suitable for use in turfgrass management. The invention also provides methods for altering the growth and reducing moving frequency, suppressing seed head f... | 05/26/1992 |
| 5116404 | Uracil derivatives and pesticides containing the same as active ingredient The present invention provides novel uracil derivatives and pesticides which contain the novel uracil derivatives as an active ingredient, and exhibit preventing and controlling effects against harmful living things, especially agricultural insect pests, ... | 05/26/1992 |
| 5114465 | Substituted pyridine compounds and herbicidal compositions and methods 2- or 6-fluoromethyl-3-pyridinecarboxylate derivatives with 5-(haloalkyl) carboxamide or 5-(haloalkyl)carbamate substitution, useful as herbicides and herbicide intermediates.... | 05/19/1992 |
| 5108486 | Herbicidal substituted-phenyl-1,2,4-triazol-5(1H)-thiones and -ones The present application discloses herbicidal substituted-phenyl-1,2,4-Triazole-5(1H)-thiones and -ones, herbicidal compositions containing these compounds, methods of preparing them, and methods for controlling undesired plant growth by preemrgence and/or... | 04/28/1992 |