William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 6958311 | Flowering regulators A flowering regulator comprising a compound represented by the following formula (I): wherein R1 represents a lower alkyl group, a lower alkenyl group, or a phenyl group which may be substituted, R2 | 10/25/2005 |
| 6906004 | Herbicide composition comprising herbicide compound in acid form and acidifying agent Described are herbicide compositions and methods for their preparation and use, in particular, herbicide compositions and methods relating to herbicide compositions containing herbicide compounds in acid form, and further including an acidifying agent. ... | 06/14/2005 |
| 6444618 | Crop protection emulsifiable concentrate containing defoaming agents The novel emulsifiable concentrate (EC) formulation comprising at least one pesticidal crop protection active compound, at least one non-polar organic solvent, optionally, at least one polar aprotic cosolvent, an emulsifying surfactant system enabling an ... | 09/03/2002 |
| 6337306 | Phenoxyacetic acid derivatives and their use as herbicides Phenoxyacetic acid derivatives of the formula: ##STR1## wherein R1, R2, Xn and A are as defined herein, and a process for preparing the derivatives. The derivatives are used as herbicides.... | 01/08/2002 |
| 5675032 | Process for the preparation of specific polyethylene glycol di (2-(4-chloro-2-methylphenoxy)-propionic acid ester mixtures The present invention relates to an-economically and ecologically advantageous process, which is easy to carry out, for the preparation of specific polyethylene glycol diesters of 2-(4-chloro-2-methylphenoxy)-propionic acid, and to the substance mixture ... | 10/07/1997 |
| 5672568 | Root growth inhibitors for building materials comprising monohydric alcohol esters of mecoprop There is described the use of compounds of the formula (II) ##STR1## in which R has the meaning given in the description, as root penetration inhibitors.... | 09/30/1997 |
| 5510321 | Plant growth regulator composition comprising a cyclohexanone compound and adjuvants A plant growth regulator composition comprising a cyclohexane derivative of the formula: ##STR1## wherein R is a hydrogen atom, a lower alkyl group, an alkylthioalkyl group, a phenyl group or a substituted phenyl group, and R1 is a lo... | 04/23/1996 |
| 5436225 | Plant growth regulator composition comprising a cyclohexanone compound and adjuvants A plant growth regulator composition comprising a cyclohexane derivative of the formula: ##STR1## wherein R is a hydrogen atom, a lower alkyl group, an alkylthioalkyl group, a phenyl group or a substituted phenyl group, and R1 is a lo... | 07/25/1995 |
| 5416068 | Alpha-phenylacrylic acid derivatives, their preparation and their use for controlling pests and harmful fungi -Phenylacrylic acid derivatives I ##STR1## n=1; y=1; R1 =methyl R2 =methyl, ethyl or methoxymethyl R3 =H; R4 is 2,5-dimethylphenyl, 2,5-dichloropehnyl, 2-methyl-5-chlorophenyl, 2,4-dimethylphenyl, 2-chlor... | 05/16/1995 |
| 5235092 | Phenoxyacetic acid derivatives and plant growth regulating agents containing them as active ingredients A phenoxycetic acid derivative of the formula: ##STR1## wherein R is a hydroxyl group, an alkoxy group, a group of the formula OM wherein M is an alkali metal ion, an alkaline earth metal ion, a transition metal ion, an ammonium ion or an organic amm... | 08/10/1993 |
| 5037467 | Amidoxime derivatives, useful as selective herbicide The present invention relates to amidoxime derivatives of the formula (I): ##STR1## wherein R1 is a C1-3 alkyl or allyl group, a methyl group substituted by chlorine or fluorine atom or ethoxycarbonyl or diethyldithiophosphate g... | 08/06/1991 |
| 4966621 | Finely dispersed liquid plant protection agents Aqueous emulsions of a plant protective agent such as a pesticide dispersed in the presence of a phosphate ester of a block copolymer of (1) ethylene and propylene oxides or (2) of an ethoxylated/propoxylated fatty alochol.... | 10/30/1990 |
| 4913721 | Fungicides Compounds of formula (I): ##STR1## and stereoisomers thereof, wherein V is an oxygen or a sulphur atom; X and Y, which may be the same or different, are hydrogen or halogen atoms, or optionally substituted alkyl, optionally substituted alkenyl, optio... | 04/03/1990 |
| 4902334 | Regulation of plant metabolism by alpha, beta-or beta, gamma-unsaturated carboxylic acids or derivatives thereof A plant metabolism regulating agent comprising as an active ingredient an alpha,beta or beta,gamma-un-saturated carboxylic acid or its derivative. It is useful for controlling the metabolism of a plant, facilitating the growth of a beneficial plant such a... | 02/20/1990 |
| 4802913 | Fungicidal alpha-substituted acrylates Compounds of formula (I): ##STR1## and stereoisomers thereof, wherein V is an oxygen or a sulphur atom; X and Y, which may be the same or different, are hydrogen or halogen atoms, or optionally substituted alkyl, optionally substituted alkenyl, optio... | 02/07/1989 |
| 4786731 | Resolution of enantiomers of 2-(phenyl or phenoxy/propionic acids using optically active alkanolamines A method for the chromatographic resolution and analysis of the enantiomers of 2-(phenyl or phenoxy)propionic acids or the C1 -C4 alkyl esters thereof which comprises converting a racemic or partially resolved mixture of said 2-(phen... | 11/22/1988 |
| 4776882 | Concentrated basal spray This invention relates to the discovery that esters of phosphoric and phthalic acids are effective wood penetrant-carriers for biocidally active ingredients, especially oil soluble or oil miscible ingredients, in basal sprays.... | 10/11/1988 |
| 4761172 | Herbicidal cyclohexanol derivatives, compositions, and method of use therefor Cyclohexenol derivatives of the formula ##STR1## where R1, R2, R3, X and A have the meanings stated in the description, are used for controlling undesirable plant growth.... | 08/02/1988 |
| 4709077 | 7-(aryloxy)-2-naphthoxyalkanecarboxylic acid derivatives, processes for the preparation of these compounds, as well as agents having herbicidal activity containing these compounds Novel 7-(Aryloxy)-2-naphthoxyalkanecarboxylic acid derivatives of the formula I ##STR1## in racemic or separated isomeric form, have herbicidal activity.... | 11/24/1987 |
| 4708733 | Herbicidal 4-chloro-aryloxy-acetyl- and 4-chloro-aryloxy-propionyl-malonates The invention relates to new 4-chloro-aryloxy-acetyl- or 4-chloro-aryloxy-propionyl-malonates of the general Formula I, ##STR1## a process for the preparation thereof and herbicidal compositions comprising the same. In the general Formula I R1 | 11/24/1987 |
| 4692187 | Isoureas and their use for controlling undesirable plant growth Isoureas of the formula ##STR1## where X, Y and Z are each hydrogen, halogen, alkyl, alkoxy, haloalkyl, unsubstituted or substituted phenoxy or unsubstituted or substituted arylalkoxy, R1 is alkyl, R2 is alkyl or methoxy and R | 09/08/1987 |
| 4625053 | Process for preparing optically active 2-(4-hydroxy-phenoxy) propionic acid compounds A process for preparing an optically active 2-(4-hydroxyphenoxy)propionic acid compound, which comprises reacting an optically active compound having the formula: ##STR1## wherein X is a chlorine atom or a bromine atom, and M is a hydrogen atom ... | 11/25/1986 |
| 4622066 | Fluorine-containing benzophenone derivatives A fluorine-containing benzophenone derivative of the formula: ##STR1## wherein R1 is a group of the formula: --OM (in which M is hydrogen or alkali metal), lower alkoxy, lower acyloxy, a group of the formula: ##STR2## (in which R... | 11/11/1986 |
| 4589907 | Amidomethyl ester herbicides Compounds having the formula ##STR1## in which Z is ##STR2## wherein X is hydrogen or halogen and Y is --CH or N; R is alkyl, phenyl, trihalomethylphenyl, cyanomethyl, carboalkoxymethyl, ##STR3## alkenyl; and R1 is hydrogen,... | 05/20/1986 |
| 4564381 | Increase of carbohydrate accumulation in plants by means of substituted derivatives of phenoxyalkanoic acids and cyclohexanediones A process for increasing the carbohydrate accumulation in plants by application of compounds of the class of phenoxyphenoxy-, pyridyloxy-, benzoxazolyloxy-, benzothiazolyloxy-, quinolinyloxy-, quinazolinyloxy-phenoxypropionic acid derivatives or cyclohexa... | 01/14/1986 |
| 4561882 | 3-Alkoxy-4-substituted-phenoxy-2,3-unsaturated acid esters and derivatives thereof and the use thereof for the control of weeds This invention relates to 3-alkoxy-4-substituted-phenoxy-2,3-unsaturated acid esters, derivatives thereof, and the use of said acid esters and derivatives for the control of weeds.... | 12/31/1985 |
| 4531969 | Herbicidal esters of D-1-(phenoxy-4-phenoxy)propionic acid Optically active enantiomers of the formula I ##STR1## where R is a group of the formulae ##STR2## R1 and R2, among others, are halogen or CF3 and Z is a carboxyl, carboxylate, carboxylic acid ester, thioester, c... | 07/30/1985 |
| 4529438 | Pyridyloxy-phenoxy-alkanoic acid esters and derivatives This invention relates to 3-alkoxy-4-substituted-phenoxy-2,3-unsaturated acid esters, derivatives thereof, and the use of said acid esters and derivatives for the control of weeds.... | 07/16/1985 |
| 4526723 | Biocidal enol esters of non-ortho substituted 2-aryl-1-3-cycloalkanedione compounds Non-ortho substituted 2-aryl-1,3-cycloalkanedione enol ester compounds exhibit outstanding acaricidal and herbicidal activity.... | 07/02/1985 |
| 4451278 | 1-Hydroxyanthraquinone aquatic herbicide A method of inhibiting the growth of weeds is provided by applying to the situs to be treated, an effective herbicidal amount of a compound containing the 1-anthraquinonyloxy moiety, such as 1-hydroxyanthraquinone.... | 05/29/1984 |
| 4431834 | Herbicidal bicyclic compounds This invention relates to certain bicyclic derivatives which are indane and tetralin compounds and which have herbicidal properties, to processes for their preparation, to herbicidal compositions containing them and to a method of using them as herbicides... | 02/14/1984 |
| 4430114 | 2,6-Dinitroaniline herbicides, and use thereof The invention is preemergence herbicidal methods employing novel dinitroanilines for control of certain grasses and broadleaf weeds in the presence of graminaceous crops, especially rice.... | 02/07/1984 |
| 4429167 | 3-Alkoxy-4-substituted-phenoxy-2,3-unsaturated acids, esters and derivatives This invention relates to 3-alkoxy-4-substituted-phenoxy-2,3-unsaturated acid esters and derivatives thereof and the use of said acid esters and derivatives for the control of weeds.... | 01/31/1984 |
| 4408076 | Phenoxy unsaturated carboxylic acid esters and derivatives 3-Alkoxy-4-substituted-phenoxy-2,3-unsaturated acid esters and derivatives thereof and the use thereof for the control of weeds.... | 10/04/1983 |
| 4340765 | 4-Phenoxy-2-butene derivatives as plant growth regulators 4-Phenoxy-2-butene derivatives are disclosed as inhibitors of cytokinin plant growth regulatory activity and as possessing seed germination regulatory properties and senescence delaying activity when applied to plants. 4-Phenoxy-2-butene derivatives can a... | 07/20/1982 |
| 4310520 | Solidified emulsifiable concentrate and method for application thereof This invention relates to the production of a solidified emulsifiable concentrate for agricultural uses or sanitary uses by adsorbing a liquid substance containing an active ingredient sparingly soluble or totally insoluble in water and emulsifier into po... | 01/12/1982 |
| 4299617 | Method and composition to increase the sugar content of sugar cane Sugar content of sugar cane is increased by treating the growing cane with ##STR1## wherein R' is CHO or CH2 OH.... | 11/10/1981 |
| 4297125 | Tree rooting using synthetic auxins Aryl esters of auxins, such as phenyl indole-3-butyrate, are found to significantly improve the initiation of rooting of cuttings is difficult-to-root species, such as pinus.... | 10/27/1981 |
| 4288385 | 2,6-Dinitroaniline herbicides and use thereof The present invention relates to certain novel substituted 2,6-dinitroaniline compounds. It further relates to certain preemergence herbicidal methods employing said novel dinitroanilines for the selective control of certain grasses and broadleaved weeds ... | 09/08/1981 |
| 4282388 | Cyclic 1,2-diol benzyl ether compounds Novel benzyl ethers of cyclic 1,1-diols, of the formula ##STR1## wherein R1 is phenyl or substituted phenyl, R2 is hydrogen, alkyl, alkenyl, alkynyl, haloalkyl or --CHX--R1, X is hydrogen, alkyl, alkenyl, alkynyl, haloalkyl, ph... | 08/04/1981 |