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7527733 Chelating agents for heavy metal removal  
The present invention provides for Troika acids attached to a macroporous resin and Methods of preparing the same, including direct attachment of a Troika acid, and attachment of a Troika acid...
7504534 Reaction systems for making N-(phosphonomethyl) glycine compounds  
This invention generally relates to liquid phase oxidation processes for making N-(phosphonomethyl)glycine (also known in the agricultural chemical industry as glyphosate) and related compounds....
7435847 Preparation of solid ammonium glyphosate using organic solvent in extraction  
A method of preparing ammonium glyphosate suitable for preparation of water-soluble solid ammonium glyphosate formulation by an extraction with organic solvent in a gas-liquid-solid phase system,...
7390920 Oxidation catalyst and process  
This invention relates to the field of heterogeneous catalysis, and more particularly to catalysts including carbon supports having formed thereon compositions which comprise a transition metal in...
7329778 Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts  
This invention is directed to a process for making a salt of a carboxylic acid. The process comprises contacting a catalyst with an alkaline mixture comprising a primary alcohol. In one...
7297657 Process for the preparation of N-(phosphonomethyl)glycine by oxidizing N-substituted N-(phosphonomethyl)glycine  
This invention is directed to an improved process for the preparation of N-(phosphonomethyl)glycine (i.e., “glyphosate”), a salt of N-(phosphonomethyl)glycine, or an ester of...
7294733 Method for preparing formylphosphonic acid  
An improved process for the manufacture of formylphosphonic acid derivatives is reported. An aminomethylphosphonic acid substrate is contacted with a reagent selected from the group consisting of...
7291751 Use of a supplemental promoter in conjunction with a carbon-supported, noble-metal-containing catalyst in liquid phase oxidation reactions  
This invention relates to the use of a supplemental promoter in conjunction with a noble-metal-containing catalyst comprising a carbon support in catalyzing liquid phase oxidation reactions, a...
7179936 Process for recovering a crystalline product from solution  
An improved process for recovering a crystalline product (particularly an N-(phosphonomethyl)glycine product) from a solution comprising both a product subject to crystallization and undesired...
7145034 Method for producing N-phosphonomethylglycine  
The invention relates to a process for preparing N-phosphono-methylglycine by reacting a hexahydrotriazine compound with a triacyl phosphite in an organic solvent, hydrolyzing the resulting...
7129373 Oxidation catalyst and process  
An oxidation catalyst is prepared by pyrolyzing a source of iron and a source of nitrogen on a carbon support. Preferably, a noble metal is deposited over the modified support which comprises iron...
7091376 Method for preparing formylphosphonic acid  
An improved process for the manufacture of formylphosphonic acid derivatives is reported. An aminomethylphosphonic acid substrate is contacted with a reagent selected from the group consisting of...
7084298 Method for producing n-phosphonomethyl iminodiacetic acid  
The present invention relates to a process for the preparation of N-phosphonomethyliminodiacetic acid by reacting an alkali metal salt of iminodiacetic acid with phosphorus trichloride in aqueous...
7071354 Method for producing N-phosphonomethylglycine  
The present invention relates to a process for the recovery of N-phosphonomethylglycine from an aqueous mixture which contains N-phosphonomethylglycine, ammonium halides, and alkali metal or...
7067693 Deeply reduced oxidation catalyst and its use in preparing N-(phosphonomethyl) glycine compounds  
This invention relates to an improved catalyst, comprising a carbon support having a noble metal at its surface, for use in catalyzing liquid phase oxidation reactions, especially in an acidic...
7064235 Process for making iminodiacetic acid compounds from monoethanolamine substrates  
This invention is directed to a process for making an iminodiacetic acid compound from a monoethanolamine substrate having the formula: wherein R 1 is hydrogen, hydrocarbyl, or substituted...
6956005 Use of tellurium in carbon-supported, noble metal-containing catalysts for liquid phase oxidation reactions  
An improved catalyst comprising a noble metal and tellurium at the surface of a carbon support is provided. Also provided are novel methods for preparing such catalysts and novel processes for the...
6927304 De-oxygenation treatment for noble metal on carbon catalysts used in liquid phase oxidation reactions  
A treatment for de-oxygenating a noble metal on carbon catalyst used in liquid phase oxidation reactions which includes exposing the catalyst to a non-oxidizing environment. The de-oxygenation...
6921834 Continuous process for preparing N-phosphonomethyl glycine  
In general the present invention relates to a continuous process for manufacturing (N-phosphonomethyl) glycine, glyphosate, by the catalyzed oxidation of N-phosphonomethyliminodiacetic acid....
6894004 Compounds, compositions, and methods of use for glyphosate salts of ether amines  
The present invention describes glyphosate salts of ether amines as compounds and compositions, including their methods of use. The compounds include glyphosate salts of the formula (I): Z-CH 2...
6867326 Method of producing glyphosate or a salt thereof  
In a process for preparing N-phosphonomethylglycine or a salt thereof by bringing phosphonomethyliminodiacetic acid or a salt thereof into contact with at least one oxygen-containing oxidant in the...
6864218 Method of making phosphorus-containing compounds and products thereof  
A process for oxidizing a hydroxymethylphosphonic acid compound to produce a formylphosphonic acid compound is described. The oxidation reaction is carried out in the presence of an oxidant and a...
6818450 Use of infrared spectroscopy for on-line process control and endpoint detection  
The present invention is directed to an analytical method for measuring the concentration of an N-(phosphonomethyl)iminodiacetic acid (“NPMIDA”) substrate, an N-(phosphonomethyl)glycine...
6794536 Method for preparation of disodium pamidronate  
The invention provides a method of preparing anhydrous disodium pamidronate or an aqueous disodium pamidronate solution for pharmaceutical use.
6696602 Method for the production of phosphonomethylglycine  
The present invention relates to a process for the preparation of phosphonomethylglycine, wherein N-phosphonomethyliminodiacetic acid N-oxide is brought into contact with a catalytically effective...
6641741 Removal and recovery of chloride from phosphonomethyliminodiacetic acid process brine  
Chloride is selectively isolated as NaCl from N-phosphonomethyliminodiacetic acid process wastes by evaporative crystallization of the caustic neutralized brine.
6605568 Process for making a downstream processable ammonium glyphosate paste  
A process is provided for preparing a downstream processable ammonium glyphosate paste, comprising mixing in a suitable vessel (i) particulate glyphosate acid, (ii) ammonia in an amount of about...
6603039 Deeply reduced oxidation catalyst and its use for catalyzing liquid phase oxidation reactions  
This invention relates to an improved catalyst, comprising a carbon support having a noble metal at its surface, for use in catalyzing liquid phase oxidation reactions, especially in an acidic...
6599858 Process for making ammonium glyphosate flakes  
A process is provided for preparing ammonium glyphosate flakes, comprising (a) mixing (i) solid particulate glyphosate acid, (ii) water in an amount of about 0.5 to about 3 parts by weight per part...
6515168 Process for preparing N-phosphonomethyl iminodiacetic acid  
The present invention relates to an energy and effluent saving process for the production of N-phosphonomethyl iminodiacetic acid (PMIDA), an intermediate in the preparation of glyphosate. An...
6476256 Process and apparatus for preparation of phosphorus oxyacids from elemental phosphorus  
A process for the preparation of an oxyacid of phosphorus comprising contacting elemental phosphorus with water in the presence of a catalyst effective to promote oxidation of phosphorus by...
6448434 Process for making ammonium glyphosate powder  
A process is provided for preparing ammonium glyphosate powder suitable for downstream processing by extrusion to make a granular formulation comprising ammonium glyphosate and surfactant. The...
6365772 Facile synthesis of phosphonomethylglycine from phosphonomethyliminodiacetic acid  
A process for the preparation of phosphonomethylglycine in nearly quantitative yields which eliminates the use of a noble metal co-catalyst and its concomitant problems. The oxygen-containing gas...
6278017 Continuous process for the preparation of N-(phosphonomethyl)iminodiacetic acid  
A process for the continuous production of N-(phosphonomethyl)glycine is provided. In the process, N-(acetyl)iminodiacetic acid is formed in an amidocarboxymethylation reactor system. The...
6274760 Preparation of formylphosphonic acid from tertiary aminomethylphosphonic acid N-oxides  
Formylphosphonic acid derivatives are prepared by the catalytic decomposition of a (phosphonomethyl)amine N-oxide compound to form the formylphosphonic acid derivative and a dephosphonomethylated...
6229045 Process for preparing carboxylic acids  
Aliphatic primary alcohols, including aliphatic primary alcohols possessing one or more oxygen, nitrogen and/or phosphorus heteroatoms that may be atoms substituting for carbon atoms in the alkyl...
6194604 Process for producing phosphorous acid  
A process for the manufacture of phosphorous acid by selective hydrolysis of phosphite esters. A hydrolysis feed mixture comprising phosphite esters and phosphate esters is contacted with liquid...
6153775 Polydentate imines and their metal complexes  
Tripodal chelating agents incorporating imine CN bonds are disclosed for the formation of lanthanide and other metal complexes which are relatively stable in the presence of water at neutral pH.
6121485 Method of preparing N-phosphonomethyl glycine  
6118022 Synthesis of phosphonomethyliminodiacetic acid with reduced effluent  
A process for the preparation of phosphonomethylglycine in high yields is disclosed. In accordance with the process of the present invention, alkali metal IDA, such as disodium IDA, is reacted with...
6005140 Process for making glyphosate by oxidizing N-substituted glyphosates  
This invention is directed to process for making a composition having the formula (I): ##STR1## wherein R 3 , R 4 , and R 5 are independently hydrogen, substituted or unsubstituted hydrocarbyl, or...
5986128 Use of monosodium iminodiacetic acid solutions in the preparation of N-phosphonomethyliminodiacetic acid  
A method is described for making solution stable salts of iminodiacetic acid (IDA), useful as precursors in the manufacture of N-phosphonomethylglycine. Concentrated dialkali salts of IDA which are...
5962729 Method for the manufacture of N-phosphonomethylglycine from N-phosphonomethyliminodiacetic acid using a catalytic carbon  
An improved process is provided for the manufacture of N-phosphonomethylglycine from N-phophonomethyliminodiacetic acid in the presence of a molecular-oxygen containing gas utilizing a...
5948931 Preparation and use of α-(hydroxyimino) phosphonoacetic acids  
α-(hydroxyimino)phosphonoacetic acids (also referred to as "α,α-disubstituted trifunctional oximes" and "Troika Acids") and their derivatives, and methods to prepare them are disclosed. Also...
5948938 Process for preparing N-phosphonomethylglycine  
A process for preparing N-phosphonomethylglycine, which comprises treating N-phosphonomethyliminodiacetic acid in the presence of water, activated carbon and hydrogen peroxide. This process is a...
5948937 Method for producing N-phosphonomethylglycine and its salts  
This invention relates to a process for the preparation of N-phosphonomethylglycine and its salts. More particularly, this invention is directed to a method for preparing N-phosphonomethylglycine...
5942643 Method for the manufacture of N-phosphonomethylglycine from N-phosphonomethyliminodiacetic acid using a low temperature catalytic carbon  
An improved process is provided for the manufacture of N-phosphonomethylglycine from N-phophonomethyliminodiacetic acid in the presence of a molecular-oxygen containing gas utilizing a...
5898082 Process for the preparation of N-phosphonomethylglycine  
A process for removing N-(phosphonomethylglycine) (glyphosate) or a salt or ionic form thereof from an aqueous mixture in which it is present, wherein the aqueous mixture is an effluent from a...
5874612 Process for the preparation of glyphosate and glyphosate derivatives  
A process for preparing glyphosate and other secondary amines of related structure in which a precursor primary amine such as aminomethylphosphonic acid is condensed with glyoxylic acid, or a...
5859290 Hydrogenation of cyanophosphonate derivatives in the presence of a glycine derivative  
A process for preparing N-phosphonomethylglycine or an N-phosphonomethylglycine derivative involves the hydrogenation of cyanophosphonate derivatives in the presence of a glycine derivative and a...
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