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 |
| 7414011 | Phenylsulfonyl ureas, process for their preparation and their use as herbicides and plant growth regulators Disclosed are compounds of the formula (I) or salts thereof in which R1, R2, R3, R4, I, R5, Q, R4, W, X, Y, V and Z, are as defined in the specification, whi... | 08/19/2008 |
| 7365189 | Nucleic acid molecules encoding enzymes from wheat which are involved in starch synthesis The present invention relates to nucleic acid molecules encoding enzymes which are involved in the starch synthesis in plants. These enzymes are starch synthases from wheat. The invention further relates to vectors and host cells containing said nucleic acid molecul... | 04/29/2008 |
| 7141531 | Combinations of phenylsulfonylurea herbicides and safeners The invention relates to combinations of sulfonylurea herbicides (A) and their salts in which R2 is H, OH, aliphatic hydrocarbon radical or hydrocarbon-oxy radical, and R1 is an acyl radical... | 11/28/2006 |
| 7135434 | Combinations of herbicides and safeners This invention provides for, inter alia, a herbicidal composition comprising a mixture of: A. a herbicidally effective amount of at least one compound of the formula where V and Z are defined in the specification... | 11/14/2006 |
| 7078369 | Phenylsulfonyl ureas, process for their preparation and their use as herbicides and plant growth regulators Phenylsulfonyl ureas are disclosed for controlling harmful plants in crops of useful plants. Also disclosed are processes for the preparation of phenylsulfonyl ureas, and their use as herbicides and plant growth regulators. ... | 07/18/2006 |
| 7074743 | Herbicidal composition comprising 4-iodo-2-[3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)ureidosulfonyl]benzoic esters Herbicidal compositions comprising A) at least one compound from the group of the substituted phenylsulfonylureas of the formula I and their agriculturally acceptable salts in which ... | 07/11/2006 |
| 7057043 | Processes for preparing aminophenylsulfonylureas, and intermediates therefor The invention relates to the preparation of compounds (I) in which A=H or acyl and R1, R2, R3, R, n, X, Y and Z are as defined in claim 1 by halogenation and rearrangement ... | 06/06/2006 |
| 7012040 | Herbicidal compositions for tolerant or resistant maize crops Herbicide combinations (A)+(B), if appropriate in the presence of safeners, with an effective content of (A) broad-spectrum herbicides from the group (A1) glufosinate (salts) and related compounds (A2) glyphosate (s... | 03/14/2006 |
| 6852909 | Process for producing female-sterile plants The invention relates to processes for producing transgenic female-sterile plants using pistil or stigma tissue-specific promoters. In these plants, the development of particular plant parts can be prevented deliberately. ... | 02/08/2005 |
| 6846969 | Process for the production of plants with enhanced growth characteristics The invention is drawn to plant cell transformation with a nucleic acid construct comprising a prokaryotic ammonium-specific asparagine synthetase, type A, coding sequence, operably linked to a chloroplast transit peptide-encoding sequence, wherein said plant cells ... | 01/25/2005 |
| 6759572 | Process for producing female sterile plants The invention relates to processes for producing transgenic plants using tissue-specific promoters. In these plants, the development of particular plant parts can be prevented deliberately. ... | 07/06/2004 |
| 6723681 | Herbicidal compositions for tolerant or resistant cereal crops Herbicide combinations (A)+(B), if appropriate in the presence of safeners, with an effective content of (A) broad-spectrum herbicides from the group (A1) glufosinate (salts) and related compounds (A2) glyphosate (salts) and related compounds su... | 04/20/2004 |
| 6699853 | 4-HALOALKYL-3-HETEROCYCLYLPYRIDINES, 4-HALOALKYL-5-HETEROCYCLYL-PYRIMIDINES AND 4-TRIFLUOROMETHYL-3-OXADIAZOLYLPYRIDINES, PROCESSES FOR THEIR PREPARATION, COMPOSITIONS COMPRISING THEM, AND THEIR USE AS PESTICIDES The present invention relates to 4-Haloalkyl-3-heterocyclylpyridines, 4-haloalkyl-5-heterocyclyl-pyrimidines and 4-trifluoromethyl-3-oxadiazolylpyridines, Processes for Their Preparation, Compositions Comprising Them, and Their Use as Pesticides More part... | 03/02/2004 |
| 6670307 | 1,3-oxazoline and 1,3-thiazoline derivatives, their preparation, and their use as pesticides 1,3-Oxazoline and 1,3-thiazoline derivatives, their preparation, and their use as pesticides 1,3-Oxazoline and 1,3-thiazoline derivatives of the formula (I) ##STR1## where the symbols have the following meanings: A is phenyl, pyridyl, pyrimidinyl, pyraziny... | 12/30/2003 |
| 6667276 | Surfactant systems for liquid aqueous preparations The invention relates to surfactant systems for liquid aqueous or aqueous-organic formulations comprising a mixture of one or more basic cosurfactants and one or more surfactants from the group of the acidic phosphoric esters. The surfactant system makes ... | 12/23/2003 |
| 6630331 | Herbicides test method An isolated DNA molecule encoding a protein from a plant, which protein has pantothenate synthetase activity; a non-naturally occuring chimeric gene comprising a promoter operably linked to a DNA molecule encoding a protein from a plant having pantothenat... | 10/07/2003 |
| 6620610 | DNA sequence from Arabidopsis thaliana encoding ammonium transporter, and plasmids, bacteria and yeast comprising the DNA sequence There are described DNA sequences from Arabidopsis thaliana, that contain the coding region of ammonium transporters. There are further described plasmids, bacteria, and yeast strains, which contain the sequences of ammonium transporters as a constituent ... | 09/16/2003 |
| 6570066 | Nucleotide sequences encoding enzymes that alter the carbohydrate concentration and composition in plants Nucleotide sequences encoding enzymes that alter the carbohydrate concentration and composition in plants are described. The sequences encode branching enzymes which alter the amylose/amylopectin ratio in the starch of plants.... | 05/27/2003 |
| 6555501 | 4-trifluoromethyl-3-oxazolylpyridines, processes for their preparation, compositions comprising them and their use as pesticides Compounds of the formula: ##STR1## wherein R1, R2, and m are as defined herein, and compositions comprising them, which are suitable for controlling animal pests.... | 04/29/2003 |
| 6555733 | Genes coding for amino acid deacetylases with specificity for N-acetyl-L-phosphinothricin, their isolation and use The invention relates to DNA molecules which code for deacetylases or proteins having the biological activity of a deacetylase and also transgenic plant cells which were transformed using the DNA molecules according to the invention. These molecules can b... | 04/29/2003 |
| 6511940 | Combination of herbicides and safeners A herbicidally active composition comprises a mixture of A. a herbicidally effective amount of one or more compounds of the formula (I), ##STR1## and B. an antidote-effective amount of one or more compounds of the formulae (II) to (IV), ##STR2##... | 01/28/2003 |
| 6500952 | Processes for preparing aminophenylsulfonylureas, and intermediates therefor The invention relates to the preparation of compounds (I) ##STR1## in which A=H or acyl and R1, R21, R3, R, n, X, Y and Z are as defined in claim 1 by halogenation and rearrangement of compounds (II) (optionally... | 12/31/2002 |
| 6498253 | Acylated aminophenylsulfonylureas, processes for their preparation and their use as herbicides and plant growth regulators Compounds of the formula (I) and salts thereof ##STR1## in which W1, W2, R, n, R1, R2, R4, X, Y and Z are as defined in claim 1 and R3 is an acyl radical, are suitable as herbicides and pla... | 12/24/2002 |
| 6492301 | Herbicidal compositions with substituted phenylsulfonylureas for controlling weeds in rice Herbicidal compositions comprising A) at least one herbicidally active compound from the group of the substituted phenylsulfonylureas of the formula I and their agriculturally accepted, i.e. acceptable and compatible, salts ##STR1## in which R1 | 12/10/2002 |
| 6486096 | Herbicidal compositions with acylated aminophenylsulfonylureas Herbicide combinations which contain components (A) and (B) have synergistic herbicidal effects on: (A) one or more herbicides of the formula (I) or their salts, ##STR1## in which R1, R2, R3, X, Y and Z are defined as in claim... | 11/26/2002 |
| 6444613 | Defoliant A mixture, comprising (A) thidiazuron or thidiazuron and diuron and (B) one or more PPO inhibitors of the formula (I) W--V (I), where the symbols have the meanings given in the description, is suitable for effecting leaf abscission of plants, in particular cotton ... | 09/03/2002 |
| 6437174 | Method for producing 2-fluoro-isobutyric acid esters The present invention concerns a method for producing esters of 2-fluoro-iso butyric acid in which the corresponding 2-hydroxyisobutyric acid ester is reacted with hydrofluoric acid.... | 08/20/2002 |
| 6410483 | Phenylsulfonylureas, processes for their preparation, and their use as herbicides and plant growth regulators Compounds of the formula (I) and salts thereof ##STR1## in which R1 -R9, W and A are as defined in formula (I) of claim 1 are suitable as herbicides and plant growth regulators. They can be prepared by processes according to claim 5 ... | 06/25/2002 |
| 6410482 | (Het) arylsulfonylureas having an amino function, their presentation and their use as herbicides and plant growth regulators (Het)Arylsulfonylureas having an imino function, their preparation, and their use as herbicides and plant growth regulators Compounds of the formula (I) and salts thereof ##STR1## in which A is a (hetero)aromatic or heterocyclic bridge linked to the group... | 06/25/2002 |
| 6376429 | Benzoylcyclohexanediones, process for their preparation and their use as herbicides and plant growth regulators Benzoylcyclohexanediones of the formula (I), process for their preparation and their use as herbicides and plant growth regulators are described. ##STR1## In this formula (I), R11, R2, R3, R4, R5 | 04/23/2002 |
| 6365739 | Process for the preparation of 4,6-disubstituted 2-isocyanatopyrimidines and their use as intermediates for active compound syntheses Isocyanates of the formula (I) ##STR1## in which X and Y are defined as in formula (I) of claim 1 can be prepared by reacting a compound of the formula (II) or its salts ##STR2## in which X and Y are defined as in formula (I), with 1 to 6 mol of phosgene ... | 04/02/2002 |
| 6359162 | Method for producing glufosinates and intermediate products for the same Glufosinate and the 2-methyl analog thereof can be prepared in a multi-step synthesis from methylphosphorus compounds (II) with unsaturated keto compounds (III) via adducts (IV), subsequent reaction under the conditions of a Strecker synthesis and finally... | 03/19/2002 |
| 6331506 | Disubstituted methylidene hydrazinophenyl sulfonylureas, process for their production and their use as herbicides and plant growth regulators Disubstituted methylidenehydrazinophenylsulfonylureas, processes for their preparation and their use as herbicides and plant growth regulators Compounds of the formula (I) and salts thereof ##STR1## in which R1 to R6, W, X, Y, Z are ... | 12/18/2001 |
| 6316387 | Synergistic active compound combinations for controlling harmful plants in crops of useful plants The present invention relates to the use of a herbicidal combination for the selective control of harmful grasses from the group consisting of Phalaris supp. and Lolium supp. in crops of useful plants, each combination comprising: A) one or more compounds... | 11/13/2001 |
| 6307125 | Nucleic acid molecules encoding enzymes from wheat which are involved in starch synthesis The present invention relates to nucleic acid molecules encoding enzymes which are involved in the starch synthesis in plants. These enzymes are starch synthases from wheat. The invention further relates to vectors and host cells containing said nucleic a... | 10/23/2001 |
| 6300333 | Substituted piperidines, processes for their preparation and their use as pesticides and fungicides Substituted piperidines, processes for their preparation and their use as pesticides and fungicides. The invention relates to substituted piperidines of the formula ##STR1## in which R1 is H, halogen, alkyl, haloalkyl or cycloalkyl; R2 an... | 10/09/2001 |
| 6297196 | Benzoyl derivatives, process for their preparation and their use as herbicides and plant growth regulators Benzoyl derivatives of the formula (I), process for their preparation and their use as herbicides and plant growth regulators are described. ##STR1## In this formula (I), R1, R2, R3, R4 and R5 are var... | 10/02/2001 |
| 6281221 | Substituted 1,3-dioxan-5-ylamino-hererocyclic compounds, processes for their preparation and their use as pest control compositions The invention relates to novel substituted 1,3-dioxan-5-ylamino-heterocyclic compounds of the formula ##STR1## in which A is CH or N; X is NH, O or S(O)q, where q=0-2; Y is O or S(O)m, where m=0-2, and R1, R2, R... | 08/28/2001 |
| 6274535 | Defoliant A mixture comprising (A) thidiazoron or thidiazuron and diuron and (B) cyclanilide or cyclanilide and ethephon is suitable for effecting leaf abscission of plants, in particular in crops of cotton.... | 08/14/2001 |
| 6265350 | 1,3-oxazoline and 1,3-thiazoline derivatives, their preparation, and their use as pesticides 1,3-Oxazoline and 1,3-thiazoline derivatives, their preparation, and their use as pesticides 1,3-Oxazoline and 1,3-thiazoline derivatives of the formula (I) ##STR1## where the symbols have the following meanings: A is phenyl, pyridyl, pyrimidinyl, pyrazinyl, p... | 07/24/2001 |