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Class 558/162 - Plural phosphori attached indirectly to each other by a benzene ring or by a chain which includes a benzene ring


Subclass of Class 558 - Organic compounds -- part of the class 532-570 series
Definition: Compound in which plural phosphori are attached indirectly
No. of patents: 106
Last issue date: 04/27/2010


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NumberTitleIssue Date
7705176Macromolecular antioxidants based on sterically hindered phenols and phosphites
Sterically hindered phenol and phosphite based compounds, represented by a formula selected from I-III: and their use as antioxidants in a wide range of materials including, but not limited to, food, plastics, elastomers, c...
04/27/2010
7262330Process of producing aldehydes
A process of producing aldehydes in a continuous hydroformylation process of continuously reacting an olefinic unsaturated compound with carbon monoxide and hydrogen in the presence of a rhodium-phosphite based complex catalyst and continuously separating at least o...
08/28/2007
7253298Process for preparing nitrile compounds from ethylenically unsaturated compounds
The present invention concerns a process for hydrocyanating ethylenically unsaturated organic compounds to compounds containing at least one nitrile function. It relates more particularly to the hydrocyanation of diolefins such as butadiene or of substituted olefins...
08/07/2007
7217779Phosphoric ester demulsifier composition
A phosphoric ester demulsifier composition prepared by reacting one or more alkylphenol-formaldehyde resin alkoxylates or one or more polyalkylene glycols, or a mixture thereof, with about 0.001 to about 1.0 molar equivalents of one or more phosphorous compounds sel...
05/15/2007
7132294Functionalized small molecules for use in chemical sensors
The invention provides a device for selective molecular recognition, the device comprising a sensing portion, wherein said sensing portion includes a substrate having coated thereon a layer comprising a non-volatile, small molecule compound having at least two penda...
11/07/2006
7129229Hydrazide building blocks and hydrazide modified biomolecules
This invention relates to attachment chemistries for binding macromolecules to a substrate surface or to other conjugation targets. More particularly, this invention relates to attachment chemistries involving branched or linear structures having one or more hydrazi...
10/31/2006
7019056Flame retardants which contain phosphorus, and flame-retardant thermoplastic molding compositions
An oligophosphate of general formula is disclosed. The oligophosphate is suitable as a flame retardant for thermoplastic molding compositions that exhibit a good flame-retardant effect, improved dimensional stability un...
03/28/2006
6979746(1,4-phenylene)bis(methylene) phosphonic acid esters and (1,4-phenylene)bis(methylene) triphenyl phosphonium salt compounds
A diphosphonic acid ester of formula [VII] or [VII′] and a diphosphonium salt of formula [VIII] or [VIII′] are provided: wherein R75, R76, R75′ and R76′ may be the sa...
12/27/2005
6787528Inhibitors of intestinal apical membrane Na/phosphate co-transportation
The compounds of formula (I) are hydrophilic aryl phosphate, thiophosphate, and aminophosphate intestinal apical membrane Na-mediated phosphate co-transportation inhibitors. The compounds can be administered orally, where they act to inhibit Na-dependent phosphate u...
09/07/2004
6727379Bis (aminostyryl) naphthalene compound, synthesis intermediate thereof, and process for production thereof
A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below. (where R2 and R3 each denotes an unsubstituted aryl group; R1 and R4 each denot...
04/27/2004
6472550Process for the preparation of low chloride stabilizers
A process for the preparation of a stabilizer mixture containing a low amount of chloride comprising a) 50-80% by weight of tetrakis(2,4-di-tert-butylphenyl)biphenylene diphosphonite and its isomers, b) 5-25% by weight of bis(2,4-di-tert-butylphenyl)biphenylen...
10/29/2002
6399685Purification 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 hydrocarbon solution of bisphenol-A bis(diphenylphosphate) pl...
06/04/2002
6388120Continuous 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 reacting the monomeric halophosphate intermediate with an alcoh...
05/14/2002
6355823Inhibitors of intestinal apical membrane na/phoshate co-transportation
The compounds of formula (I) are hydrophilic aryl phosphate, thiophosphate, and aminophosphate intestinal apical membrane Na-mediated phosphate co-transportation inhibitors. The compounds can be administered orally, where they act to inhibit Na-dependent ...
03/12/2002
6319432Bisphenol-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 normalized area % being based on the total HPLC area % of th...
11/20/2001
6124492Process for preparing bis(3-t-butyl-4-hydroxyphenyl-2,4-di-t-butylphenyl)resorcinol diphosphate
The invention relates to a process for preparing bis(3-t-butyl-4-hydroxyphenyl-2,4-di-t-butylphenyl)resorcinol diphosphate, which has characteristics of high conversion and high selectivity, and which comprises of charging sequentially phenolic compounds,...
09/26/2000
6057429Phosphatase activated crosslinking, conjugating and reducing agents; methods of using such agents; and reagents comprising phosphatase activated crosslinking and conjugating agents
The present invention provides crosslinking, conjugating and reducing agents which are functional with at least one phosphorothioate monoester group (--SPO3-2). Crosslinking and conjugation methods as well as solid phase reagents and...
05/02/2000
6008398Non-nucleotide phosphorus ester oligomers
A phosphorus ester oligomer having the structure: wherein A can be the same or different in each monomeric unit and each is independently selected from the group consisting of oxygen, sulfur, lower alkyl, substituted or unsubstituted alkylamino, substitut...
12/28/1999
5910600Bisphosphite compound, process for its production and hydroformylation process employing the bisphosphite compound
A bisphosphite compound of the following formula (A): ##STR1## wherein --Ar--Ar-- is a bisarylene group represented by any one of the formulae (A-I) to (A-III) defined in the specification, and each of Z1 to Z4 is a C4-20
06/08/1999
5880111Therapeutic derivations of diphosphonates
Novel chemotherapeutic agents having utility in treating infectious diseases such as periodontal disease, certain urinary tract infections, and infectious urinary tract stones, are obtained by combining chemically a diphosphonate compound with a therapeut...
03/09/1999
5880308Process for preparing aromatic bisphosphates
A process for preparing aromatic bisphosphates includes: a first step of reacting an aromatic monohydroxy compound having a steric hindrance group at the ortho position, with a phosphorus oxyhalide in the presence of a Lewis acid catalyst (a) to yield a r...
03/09/1999
5756798Process to prepare aryldiphosphoric esters
A process to prepare aryldiphosphate esters without forming an emulsion in the product is described. In one embodiment of this process, the ester is formed by initially reacting a phosphoryl oxyhalide with a dihydric aromatic compound in the presence of a...
05/26/1998
5750756Process for the formation of hydrocarbyl bis(hydrocarbyl phosphate)
A process for forming a composition containing over, for example, about 90% by weight of an alkylene-arylene bridging group-containing bis(diphenyl phosphate) compound and less than, for example, 10%, by weight, of monophosphate by-product. This process i...
05/12/1998
5679824Method of pulverizing aromatic phosphates
A method of pulverizing aromatic phosphates which comprises stressing an oily product of an aromatic phosphate having a purity of 90% or more at a temperature lower by 5° to 100° C. than a melting point of the aromatic phosphate in a temperature-control...
10/21/1997
5670493Aminophenylphosphonic acid compounds
A compound of formula (I): ##STR1## in which: R1, R2, which may be identical or different, represent hydrogen or halogen, or alkyl, alkoxy, nitro or trihalomethyl, X represents CO, SO2 or CH2, A1 repr...
09/23/1997
5614573Flame retardants and flame retardant finishing method for polyester-based synthetic fiber materials
Flame retardant compounds including at least one of a group of specified phosphoryl compounds which have a phenylene group in the molecule are applied to fiber materials composed of polyester-based synthetic fibers. Sufficiently long-lasting flame retarda...
03/25/1997
5593980Arylmethylphosphonates and phosphonic acids useful as anti-inflammatory agents
This invention provides a new use of acids, esters, and salts of arylmethylphosphonates of Formula I, ##STR1## or a phosphonic acid of Formula II ##STR2## and derivatives as anti-inflammatory and anti-arthritic agents. Representative compou...
01/14/1997
5506313Phosphorus-containing flameproofing agents for epoxy resin materials
The invention relates to compounds of the formula (1) ##STR1## in which m is 0 or 1, R is a hydrogen atom or a group of formula ##STR2## T is either an (m+2)-valent aromatic group or a bisphenylene group, [Z] is a group of on average 1 to 10 str...
04/09/1996
5476888Diphosphines
The diposphines have the formula (I) ##STR1## wherein: R2, R3 and R4 independently from each other represent a hydrocarbyl group which is substituted with one or more radicals selected from the group consisting of hal...
12/19/1995
5438047Diphosphates of catecholamines and pharmaceutical compositions containing them
Diphosphates of catecholamines having formula (I) wherein R, R1, R2, R3, R4, R5, R6, R7 and X have the meanings reported in the description, are useful in the therapy of cardiova...
08/01/1995
5420327Process for forming hydrocarbyl bisphosphate compound
Hydrocarbyl bisphosphate compounds containing hindered aryl substituents in the phosphate groups can be formed by: (a) reacting a hindered phenol, e.g., xylenol, with a phosphorus oxytrihalide, e.g., phosphorus oxytrichloride, to form a reaction product m...
05/30/1995
5393748Methylenebisphosphonic acid derivatives
Novel pharmacologically active methylenebisphosphonates having formula (I) wherein R1 -R4 independently are C1 -C10 -alkyl, C3 -C10 -cycloalkyl, aryl, aralkyl, silyl SiR3 or hydrogen,...
02/28/1995
5387352Phosphorus-containing compositions
Novel aromatic polyphosphate ester-acids and amine salts thereof are described. These products are eminently useful as ashless antiwear agents in lubricating oils....
02/07/1995
5347040Sensitized onium salts
Onium salt capable of generating acid upon exposure to actinic radiation having the following structure: (R1)a (R2)b (R3)c Q+ --A--M+ X- --B--X'- wher...
09/13/1994
5342869Stabilized polymeric compositions
A composition, having good weatherability properties, comprising a) one or more compounds of formula I ##STR1## in which m is 1; n is 0 or 1; p is 0; each R or R1 independently, is a group derived from an aliphatic, alicyclic or aromatic alcoh...
08/30/1994
5328621Dithiophosphates as antiwear additives
The invention relates to novel compounds of formulae I, II and III ##STR1## wherein R1 is hydrogen, C1 -C20 alkyl or C5 -C7 cycloalkyl, R2 is hydrogen, C1 -C20 alkyl o...
07/12/1994
5312954Bis- and tetrakis-phosphonates useful for treating calcium related disorders
Novel bisphosphonates comprise compounds of the formula (I) ##STR1## wherein m and l are independently 1 or 2; R1 represents hydrogen, a lower alkyl group, or an alkali metal cation; R2 represents hydrogen, a lower alkyl group o...
05/17/1994
5302738Chiral phosphines
Novel, racemic and optically active phosphorus compounds of the formula ##STR1## wherein R signifies lower alkyl, lower alkoxy or protected hydroxy, R1 signifies lower alkoxy, phenoxy, benzyloxy, chlorine or bromine, R2 stands f...
04/12/1994
5278212Flow modifier for thermoplastic resin and thermoplastic resin composition containing the same
A flow modifier for a thermoplastic resin, which is a hydroxyphenyl-containing organophosphorus compound represented by formula (I): ##STR1## wherein R1, R2, R3, and R4 each represents a hydroxyl group...
01/11/1994
5227506Acyloxymethyl esters of bisphosphonic acids as bone resorption inhibitors
The invention relates to acyloxymethyl esters of bisphosphonic acids, halo-bisphosphonic acids and hydroxy-bisphosphonic acids which exhibit oral bioavailability and are useful in the treatment of disturbances involving calcium or phosphate metabolism, in...
07/13/1993
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