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6909010 |
Facile synthesis of symmetric esters of alkylenebisphosphonic acids
A facile synthesis of symmetric esters of C 1 -C 10 alkylenebisphopsphonic acids is disclosed in which a C 1 -C 10 alkylenebis(phosphonic dichloride) is reacted with an alcohol in the presence of...
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6673955 |
Preparation of triethyl phosphate
The invention relates to a process for preparing triethyl phosphate by reacting phosphorus oxychloride with a greater than stoichiometric quantity of ethanol under reduced pressure at temperatures...
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6660696 |
Thermally stable phosphorothionates as antioxidant, antiwear, friction reducing and extreme pressure lubricant additives from cashew nut shell liquid
Phosphorothionate derivatives derived from cashew nut shell liquid (CNSL) for use as an thermally stable antioxidant, antiwear, friction reducing and extreme pressure additive in a lubricant...
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6613928 |
Process for the preparation of condensed phosphoric esters
A condensed phosphoric ester having a very low content of isopropenyl phenyl diphenyl phosphate, which reduces heat resistance and causes the contamination of molds during the molding when the...
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6605737 |
Process for the preparation of condensed phosphoric acid esters
An objective of the present invention is to provide a method for preparing a high-purity, condensed phosphoric ester made of a bisphenol A derivative and having a very low content of monomer-type...
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6528559 |
Crosslinked phenoxyphosphazene compounds, process for the preparation thereof, flame retardants, flame-retardant resin compositions, and moldings of flame-retardant resins
This invention provides a halogen-free flame retardant which advantageously has a high melting point and a low volatility and does not impair the inherent properties of resins. The flame retardant...
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6489502 |
Process for preparing phosphoric acid esters
The present invention relates to a process for preparing phosphoric acid esters, in particular a process for preparing monomeric bridged bisaryl diphosphates, wherein a water-binding agent is added...
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6486339 |
Phosphorylated product made by heating alkylated phenol in presence of solid acid catalyst
The isomerization of an alkylated phenol composition that contains an ortho-alkyl substituted phenol component to isomerize and reduce the level of ortho-alkyl substituted phenol component therein...
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6462216 |
Process for producing phosphorohalidate
The present invention provides a process for producing phosphorohalidate characterized in that a crude reaction product obtained by reacting a phosphorus oxyhalide with an aromatic hydroxy compound...
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6399685 |
Purification of arylene polyphosphate esters
Emulsion formation is minimized or prevented and hydrolytic product degradation is suppressed during purification of impure bisphenol-A bis(diphenylphosphate). This is accomplished by forming a...
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6388120 |
Continuous process for the manufacture of phosphoric acid esters
A method of making phosphoric acid esters by continuously reacting a phosphorus oxyhalide with a polyol to produce at least about 60% normalized monomeric halophosphate intermediate, and then...
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6319432 |
Bisphenol-A bis(diphenyl phosphate)-based flame retardant
Disclosed is a flame retardant comprising bisphenol A bis(diphenyl phosphate) and its dimer, the former having an HPLC determined 78 to 87 area % and an 85 to less than 90 normalized area %, the...
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6235689 |
Polymeric perfluoro polyether phosphate lubricant topcoat
The degree of bonding of a perfluoro polyether lubricant topcoat to a magnetic recording medium is improved by forming a polymeric phosphate derivative thereof. In an embodiment of the present...
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6232485 |
Production of phosphate esters
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6211396 |
Process for producing halogen-containing phosphate ester
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6204404 |
Process for preparing ester compounds
A process for preparing an ester compound comprising reacting a halogen-substituted aliphatic hydroxy compound or aromatic hydroxy compound with a phosphorus oxyhalide or phosphorus pentahalide in...
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6184275 |
Crystalline polymer composition
A crystalline polymer composition comprising 100 parts by weight of a crystalline polymer and 0.005 to 5 parts by weight of a compound represented by formula (I): ##STR1## wherein R 1 and R 2 ...
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6075159 |
Phosphite, a process for producing the same and a use thereof
A phosphite represented by the formula (I): ##STR1## wherein n repesents 1 or 2; A represents alkylene; B represents a direct bond or alkylene; one of Y and Z represents a hydroxyl group, alkoxy or...
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6069267 |
Selective synthesis of organodiphosphite compounds
A process for the preparation of organodiphosphites of the formula (R 1 O) 2 P(OZO)P(OR 1 ) 2 wherein R 1 and Z are different substituted or unsubstituted aryl groups.
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6034260 |
Dialkylphosphoric acids by the methanol method
The present invention relates to a process for the preparation of symmetrically substituted phosphoric acid diesters of long-chain linear or branched alcohols of chain length C 4 to C 22 .
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5948930 |
Process for preparing O-alkyl, O-alkylphosphorochloridothioates
The invention relates to process for the preparation of an O-alkyl, O-alkyl phosphorochloridothioate by 1) reacting A) a thiophosphoryl halide with B) an alcohol, in the presence of C) a tertiary...
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5891939 |
Phosphites, process for producing them and their use
Phosphites inhibitors for organic material represented by the formula: ##STR1## wherein R 1 , R 2 , R 4 and R 5 independently represent hydrogen atom, an alkyl group, a cycloalkyl group, an...
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5616767 |
Process for making biphenylene and bisphenylene phosphites
A process is provided for making 2,2 bisphenyl phosphites and 2,2 biphenyl phosphites. The process provides pure product without requiring a recrystallization step. The process involves reacting...
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5414103 |
Polyether phosphate esters
A polyalkylene glycol ether phosphate ester, or salt thereof, having the formula: R w --P(O)(OH) 3 -w (I) wherein w is an integer from 1 to 3, and R is an...
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5401845 |
Asymmetric aryl phosphites
Compounds of the formula I ##STR1## in which x is 1, 2 or 3, and, if x=1, R 1 is C 1 -C 30 alkyl, C 1 -C 18 alkyl substituted by halogen, --COOR 2 , --CN, --NR 3 R 4 or by --CONR 3 R 4 , C...
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5281741 |
Process for preparing aryldiphosphate esters
A process is provided for preparing an aryl diphosphate ester containing less than 5% by weight of triarylphosphate. The process reacts a solution of a dihydroxy aromatic compound and an excess of...
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4824603 |
Amphoteric and zwitter-ionic phosphate surfactants
Amphoteric and zwitter-ionic phosphate surfactants corresponding to the following formula ##STR1## (a) in which R 1 is a C 6 -C 22 alkyl group, a group R 4 (OC n H 2n ) x --, where n=2 to 4,...
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4800229 |
Phosphated acrylates of alkoxylated alcohols
Reactive dispersants for magnetic recording media are prepared by sequentially phosphating and esterifying or esterifying and phosphating alkoxylated alcohols having at least two carbon atoms and...
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4751320 |
Phosphoric ester and process for producing same
A novel phosphoric ester represented by the following formula (I): ##STR1## is produced by halogenating the hydroxyl group of a monoalkyl phosphoric acid, reacting the halogenated product with...
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4724265 |
Process for preparing liquid triaryl thiophosphate mixtures
Liquid mixed triaryl thiophosphate mixtures can be prepared by forming a mixture of phenol and substituted phenols, forming a phosphite from that mixture and sulfurizing the phosphite, washing the...
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4697029 |
Phosphobrominated polyetherpolyols and processes for production thereof
Phosphobrominated polyetherpolyols which contain in their molecule oxyalkylene radicals bound to phosphorus atoms in the phosphate or phosphonate state and 1,4-dioxy-2,3-dibromo-2-butylene radicals...
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4629803 |
Continuous phosphorylation process
A continuous process for producing alkyl and alkoxy alkyl phosphates in which an alkali metal alkoxide at a temperature at 50° C. or less is continuously fed to a reactor while phosphorus...
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4492660 |
Low temperature stable tert-butylphenyl diphenyl phosphate
A process for producing tert-butylphenyl diphenyl phosphate which is stable at low temperature by a process wherein phenol is butylated to produce tert-butylphenol which is isomerized to produce...
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4438013 |
Phosphorylated and thiophosphorylated poly(oxyalkylated) hydrazines and selected adducts and their use as corrosion inhibitors
Disclosed are compositions comprising the reaction products of poly(oxyalkylated) hydrazine and at least one compound selected from the group consisting of phosphorylation agents,...
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4421695 |
Production of alkoxyalkyl phosphate esters
A process for the production of alkoxyalkyl triorganic phosphates utilizing a continuous process for the manufacture of alkoxyalkyl alkoxides comprising treating an alkoxyalkanol with a sodium...
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4414161 |
Process for producing low temperature stable tert-butylphenyl diphenyl phosphate
A process for producing tert-butylphenyl diphenyl phosphate which is stable at low temperature by a process wherein phenol is butylated to produce tert-butylphenol which is isomerized to produce...
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4360480 |
Aromatic diamino phosphoramides, thiophosphoramides and phosphoramidates
The present invention relates to novel aromatic diamino phosphoramides, thiophosphoramides and phosphoramidates and to a process for the production of same.
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4351780 |
Process for preparing isopropylphenyl/phenyl phosphate
Monoisopropylphenyl/phenyl phosphate containing mixtures are prepared by, (1) alkylating phenol with propylene to C 3 /φ ratio of less than 0.30 with a p-toluene sulfonic acid catalyst, (2)...
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4296047 |
Continuous preparation of phosphoric acid alkyl ester dichlorides
In the preparation of a phosphoric acid alkyl ester dichloride by reacting phosphorus oxychloride with an aliphatic alcohol according to the equation ##STR1## in which R represents C 1 -C 5 ...
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4290977 |
Process for the production of neutral phosphoric acid esters
Phosphoric acid esters are produced by the method of phase-interface condensation by reacting phosphorus oxyhalides, phosphorus pentahalides, phosphoric acid monoester dihalides or phosphoric acid...
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4279838 |
Process for the preparation of aminoaryl thiophosphates and aminoaryl phosphates
Disclosed is a process for the preparation of an aminoaryl thiophosphate or phosphate which comprises hydrolyzing an N-acetylaminoaryl thiophosphate or phosphate by heating it in an aqueous...
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4267127 |
Process for the production of phosphoric acid triesters
Phosphoric acid triesters of the formula ##STR1## are produced in two or more stages by reacting phosphorus oxyhalides, phosphorus pentahalides, phosphoric acid monoester dihalides or phosphoric...
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4256672 |
Process for the preparation of phosphoric esters and thiophosphoric esters
Disclosed is a process for the preparation of an ester compound selected from phosphoric esters and thiophosphoric esters which comprises reacting a hydroxyl-containing organic compound with...
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4160773 |
Synthetic alkyl esters of phospholipid acid, structural analogs thereof and a process for their manufacture and their use
Synthetic alkylesters of phospholipid acid, the structural analogues ther, their physiologically acceptable salts as well as a process for preparing them and their use.
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4145382 |
Process for producing polyfluoroalkyl phosphates
An aqueous dispersion of an ethanol amine salt of polyfluoroalkyl phosphate is prepared by using a polyfluoroalkanol, a phosphorus oxyhalide water and an ethanol amine. The process for producing a...
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4096209 |
Phosphorylated secondary butylated phenol/phenol ester mixtures
Phosphorylated alkylated phenol/phenol ester mixtures in which the weight ratio of the alkyl moiety to the phenol moiety ranges from 0.05 to about 0.65, and the number of carbon atoms per alkyl...
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4093680 |
Phosphorylated tertiary butylated phenol/phenol ester reaction mixtures
Phosphorylated alkylated phenol/phenol ester mixtures in which the weight ratio of the alkyl moiety to the phenol moiety ranges from 0.05 to about 0.63, and the number of carbon atoms per alkyl...
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4085128 |
Cyclic phosphamide derivatives
Cyclic phosphamide derivatives of the general formula: ##STR1## [wherein X represents a halogen atom, Y represents a lower alkanesulfonyloxy, and R represents a lower alkyl] being useful as...
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RE29540 |
Phosphorylated alkylphenol/phenol ester mixtures
Phosphorylated alkylphenol/phenol ester mixtures in which the weight ratio of the alkyl moiety to the phenol moiety ranges from 0.05 to about 0.65, and the number of carbon atoms per alkyl moiety...
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4069279 |
Dialkylphenol phosphorylation
A process of manufacturing triaryl phosphate mixtures which comprises: 1. reacting a phosphorylation agent with a recycle composition of phenols, optionally in the presence of an additional...
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