Class 558/85 - Acyclic divalent chalcogen single bonded directly to the ring phosphorus (e.g., cyclic phosphites, etc.)

Subclass of Class 558 - Organic compounds -- part of the class 532-570 series
Definition: Compounds in which an acyclic divalent chalcogen (i.e.,
No. of patents: 84
Last issue date: 08/29/2006

«First «Previous1 2 3 Next»Last»

Number	Title	Issue Date
7098197	Phosphonate compounds The present invention relates to phosphonate compounds, compositions containing them, processes for obtaining them, and their use for treating a variety of medical disorders, e.g., osteoporosis and other disorders of bone metabolism, cancer, viral infections, and th...	08/29/2006
7094772	Phosphonate compounds The present invention relates to phosphonate compounds, compositions containing them, processes for obtaining them, and their use for treating a variety of medical disorders, e.g., osteoporosis and other disorders of bone metabolism, cancer, viral infections, and th...	08/22/2006
7081533	Cycloaliphatic/aromatic diphosphines and use thereof in catalysis The present invention concerns novel unsymmetrical chiral diphosphines of a mixed aliphatic-aromatic type and processes for synthesizing them, complexes of these compounds and their use as catalysts. ...	07/25/2006
7057061	Chiral monophosphorus compounds The present invention relates to catalysts comprising chiral monophosphorus compounds and their use, the chiral monophosphorus compounds themselves and also their precursors. ...	06/06/2006
7034014	Phosphonate compounds The present invention relates to phosphonate compounds, compositions containing them, processes for obtaining them, and their use for treating a variety of medical disorders, e.g., osteoporosis and other disorders of bone metabolism, cancer, viral infections, and th...	04/25/2006
6800778	Process for producing optically active naphthalene derivative and optical resolver therefor The present invention provides a method of producing an optically active form of a compound represented by the formula (I) having a steroid C17,20-lyase inhibitory activity and is useful as an agent for the prophylaxis or treatment of prostatism, tumor su...	10/05/2004
6790928	Process for producing polycarbonates 100 parts by weight of the polycarbonate produce by melt polycondensation of a carbonic acid diester and a dihydroxy compound and 0.0001 to 0.1 part by weight of a phosphite compound represented by following Formula (I) are formulated:	09/14/2004
6756402	Cyclipostins, process for their preparation and use thereof The invention relates to compounds of formula I in which R1, R2, E, X1, X2, and X3 have the meaning as described in the specification and claims, obtained by culturi...	06/29/2004
6440891	Catalyst comprising a complex of a metal of subgroup VIII, on the basis of a phosphonite ligand and method for hydroformylation The catalyst comprises at least one bi- or more highly dentate phosphonite ligand of the general formula I ##STR1## or salts and mixtures thereof and is useful in a process for hydroformylating compounds containing at least one ethylenically unsatura...	08/27/2002
6426429	Process for the preparation of hindered phosphites A process to produce organic phosphites from the group consisting of: ##STR1## wherein each R1 , R2, and R3 is independently selected from the group consisting of hydrogen, methyl, ethyl, n-propyl, iso-propyl, n-butyl, t-b...	07/30/2002
6310260	Separation processes This invention relates to a process for separating one or more organophosphorus ligand degradation products, one or more reaction byproducts and one or more products from a continuously generated reaction product fluid comprising one or more unreacted rea...	10/30/2001
6307109	Separation processes This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more products, one or more nonpolar rea...	10/23/2001
6307108	Metal-ligand complex catalyzed processes This invention relates to a process for separating one or more organophosphorus ligand degradation products, one or more reaction byproducts and one or more formylester products from a reaction product fluid comprising one or more unreacted unsaturated es...	10/23/2001
6307110	Separation processes This invention relates to a process for separating one or more organophosphorus ligand degradation products, one or more reaction byproducts and one or more products from a continuously generated reaction product fluid comprising one or more unreacted rea...	10/23/2001
6303830	Metal-ligand complex catalyzed processes This invention relates to a process for separating one or more organophosphorus ligand degradation products, one or more reaction byproducts and one or more formylester products from a reaction product fluid comprising one or more unreacted unsaturated es...	10/16/2001
6303829	Separation processes This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more products, one or more nonpolar rea...	10/16/2001
6294680	Process for the production of semi synthetic statins via novel intermediates A process has been provided to produce semi synthetic statins, as for instance simvastatin with a high yield, for another statin, preferably a naturally occurring statin, as for instance lovastatin. Also a number of novel intermediate compounds, prepared ...	09/25/2001
5962744	Process for hydrocarbonylations in supercritical carbon dioxide A process comprising subjecting at least one compound containing at least one carbon--carbon double bond or at least one carbon--carbon triple bond, hydrogen and carbon monoxide, to a hydrocarbonylation reaction in supercritical carbon dioxide, in the pre...	10/05/1999
5952530	Separation processes This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, a nonpolar solvent and said one or more products, w...	09/14/1999
5932772	Separation processes This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, a polar solvent and said one or more products, wher...	08/03/1999
5891939	Phosphites, process for producing them and their use Phosphites inhibitors for organic material represented by the formula: ##STR1## wherein R1, R2, R4 and R5 independently represent hydrogen atom, an alkyl group, a cycloalkyl group, an alkylcycloalkyl group,...	04/06/1999
5889095	Phosphites, process for producing the same and their use A phosphite stabilizer for organic material is represented by the formula (1): ##STR1## wherein R1, R2, R4 and R5 is hydrogen, alkyl, cycloalkyl, alkyl, cycloalkyl, aralkyl or phenyl; R is hydrogen or alkyl...	03/30/1999
5874494	Phosphites, process for producing them and their use Phosphites which are useful as a deterioration inhibitor for organic material and are represented by the following formula: ##STR1## wherein R1, R2, R5 and R6 represent a hydrogen atom, an alkyl group, a cy...	02/23/1999
5843339	Phosphites and their production and use Phosphites represented by the general formula (I): ##STR1## wherein R1, R2, R4 and R5 independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 5 to 8 car...	12/01/1998
5830936	Phosphites, process for producing them and their use Phosphites which are a deterioration inhibitors for organic material represented by the formula: ##STR1## wherein R1 and R2 independently represent a hydrogen atom, or certain hydrocarbyl radicals; X represents a direct bond, a ...	11/03/1998
5786497	Process for the preparation of phosphites A process for producing organo-phosphites is described that involves heating a di-substituted phosphorohalidite, a phenolic compound, and a polymeric amine. An especially useful polymeric amine is N,N,N'N'-tetraethyl-1,3-propanediamine. Conversions in exc...	07/28/1998
5736599	Diphosphites A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and are useful as thermal oxidative stabilizers for thermoplastic compositions....	04/07/1998
5677432	Immunological detection of organophosphates A compound useful for forming immunoconjugates used in the detection of organophosphate pesticides is provided. The compound has the formula ##STR1## wherein X is selected from the group consisting of R--O--, R--S-- and R--NH--, where R is an optiona...	10/14/1997
5623009	Neo-diol phosphites as polymer stabilizers A phosphite is provided having the formula: ##STR1## wherein Y1 is an alkyl group and Y2 is selected from the group consisting of sec-butyl and tert-butyl. The phosphite exhibits enhanced stability including hydrolytic and UV st...	04/22/1997
5618961	Diphosphites A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and are useful as thermal oxidative stabilizers for thermoplastic compositions....	04/08/1997
5618962	Diphosphites A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and are useful as thermal oxidative stabilizers for thermoplastic compositions....	04/08/1997
5600032	Method for producing an unsaturated alcohol A method for producing an unsaturated alcohol having a chain structure formed by oligomerization of a conjugated alkadiene, which comprises reacting a conjugated alkadiene and water in the presence of carbon dioxide by means of a palladium compound and a ...	02/04/1997
5576365	Phosphorus type stabilizer and an organic material stabilized by the same An organic phosphorus compound represented by the following formula (I): ##STR1## wherein R1 and R2 independently represent alkyl having 1-8 carbon atoms, cycloalkyl having 5-8 carbon atoms, alkylcycloalkyl having 6-12 carbon at...	11/19/1996
5523448	Diphosphites A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and are useful as thermal oxidative stabilizers for thermoplastic compositions....	06/04/1996
5464889	Phosphite antioxidants Neoalkyl phosphite provided which exhibit improved levels of stability. The phosphites are hindered and are useful in stabilizing thermoplastic compositions....	11/07/1995
5451623	Neoalkyl alkylidene-2,2'-bisphenyl and biphenyl phosphite esters Neoalkyl alkylidene-2,2'-bisphenyl phosphite esters are provided. The phosphites exhibit enhanced thermal and hydrolytic stability, and are useful as additives in thermoplastic resin compositions to enhance the thermal oxidative stability thereof....	09/19/1995
5424348	Neo-diol phosphites as polymer stabilizers A phosphite is provided having the formula: ##STR1## wherein Y1 is an alkyl group and Y2 is selected from the group consisting of sec-butyl and tert-butyl. The phosphite exhibits enhanced stability including hydrolytic and UV st...	06/13/1995
5414033	Phenyl phosphites for use as stabilizers for organic materials Novel compounds of the formula I and formula II ##STR1## in which R and R1, independently of one another, are hydrogen or C1 -C4 alkyl or together with the carbon atom to which they are attached form a 3,4-dehydrocycl...	05/09/1995
5362898	Bis(pentaerythritol phosphate alcohol) alkylphosphonate A bis(pentaerythritol phosphate alcohol) alkylphosphonate compound, such as one comprising an alkyl group of from about one to four carbon atoms, preferably bis(pentaerythritol phosphate alcohol) methylphosphonate, is a flame retardant compound. Such a co...	11/08/1994
5308902	Biphosphites Biphosphites of formula I ##STR1## wherein m is 0, 1 or 2, n is 1 to 4 or 6, R1 is hydrogen or C1 -C4 alkyl and, if m=2, the radicals R1 are identical or different, and A is the radical of an at least n-hyd...	05/03/1994

«First «Previous1 2 3 Next»Last»

PatentStorm

Quotables

PatentStorm News

Class 558/85 - Acyclic divalent chalcogen single bonded directly to the ring phosphorus (e.g., cyclic phosphites, etc.)