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| Number | Title | Issue Date |
| 6500917 | Process for the preparation of polyether phosphates The invention provides an improved process for the synthesis of compounds carrying at least one phosphate group, especially polyalkylene glycol phosphate compounds, said process comprising the steps of: (a) reacting a compound containing at least one prim... | 12/31/2002 |
| 4986845 | Pyrazole derivatives and herbicides containing them A pyrazole derivative of the formula I ##STR1## wherein A is C1 -C4 alkyl, C2 -C4 alkenyl or C2 -C4 alkynyl; B is hydrogen, C1 -C3 alkyl, halogen, C1 -... | 01/22/1991 |
| 4968788 | Biologically reversible phosphate and phosphonate protective gruops Protective groups are provided which are suitable for masking phosphates and phosphonates. The protected compositions can be introduced in a biological system and then demasked under certain biological conditions. This method permits phosphates and phosph... | 11/06/1990 |
| 4962228 | Layered divalent metal phosphates containing pendent substituent groups and their preparation Layered divalent metal pentavalent metallate, M(HAO4)x (RAO3)y (Z)z wherein M is divalent metal, A is a pentavalent metal, e.g. phosphorus, R is a substituent group other than H or OH, e.g., phenyl, c... | 10/09/1990 |
| 4948908 | Organo phosphorus compounds and pesticidal compositions The invention relates to a new family of organophosphorus compounds. The compounds have a biological activity and can be used as insecticides. The compounds belong to the group of bis-aminophenyl phosphoric acid esters.... | 08/14/1990 |
| 4933329 | Bis-S-alkylbenzene derivatives Novel bis-S-alkylbenzene derivatives capable of inhibiting lipoxygenase, inparticular, 5-lipoxygenase are disclosed. It is expected that the compounds, which are hardly metabolized in vivo, are highly useful in the treatment and/or prevention of various d... | 06/12/1990 |
| 4897503 | 1,1,2-triaryl-1-alkene derivatives This invention provides a 1,1,2-triaryl-1-butene derivative of the formula ##STR1## wherein R1 and R2 each represent a lower alkyl group, one of R3 and R4 is a lower alkyl group and the other is a group of the ... | 01/30/1990 |
| 4897502 | Process for making solid polyhalotriaryl phosphate esters A process is provided for making halogen-substituted triaryl phosphate esters which are normally solid under ambient conditions. The process comprises reacting a halogenated phenol with phosphorus oxychloride in the presence of a magnesium chloride cataly... | 01/30/1990 |
| 4882339 | 4-Amino-substituted 1,2-dihydroxynaphthalene derivatives useful in inhibiting 5-lipoxygenase activity in mammals Disclosed are compounds of the formula ##STR1## wherein R1 represents unsubstituted or lower alkyl-substituted C3 -C7 -cycloalkyl, unsubstituted or lower alkyl substituted C7 -or C8 -bicycloalkyl... | 11/21/1989 |
| 4846853 | Layered divalent metal hydrogen phosphates Layered divalent metal hydrogen phosphate, MHPO4.nH.sub.2 O wherein M is a Group IIA or Group IIB element and n ranges from about 0 to 2, is prepared by hydrothermal treatment of an aqueous mixture containing a source of metal oxide, a source o... | 07/11/1989 |
| 4835099 | Signal enhancement in immunoassay by modulation of enzymatic catalysis A method for enzyme immunoassay for a ligand suspected to be present in a liquid sample includes signal amplification by use of at least two hydrolases and a blocked fluoroketone for one of the hydrolases. Ligand present in the liquid binds to an antiliga... | 05/30/1989 |
| 4816570 | Biologically reversible phosphate and phosphonate protective groups Protective groups are provided which are suitable for masking phosphates and phosphonates. The protected compositions can be introduced in a biological system and then demasked under certain biological conditions. This method permits phosphates and phosph... | 03/28/1989 |
| 4814451 | Process for preparing phosphorothioates and phosphates and phosphonothioates and phosphonates Certain phenyl and N-heterocyclic phosphorothioates and phosphonothioates and phosphates are prepared by the reaction of an appropriate alkali metal or alkaline earth metal --0-phenyl or N-heterocyclic compound with an appropriate phosphorochloridate, ph... | 03/21/1989 |
| 4803157 | Hydrolyzable fluorescent substrates for phosphatases and analytical use thereof Hydrolyzable substrates for acid and alkaline phosphatases comprise blocked dye moieties which, when cleaved from the substrate during hydrolysis, provide fluorescent dyes having maximum absorptions above about 530 nm and maximum fluorescent emissions at ... | 02/07/1989 |
| 4797476 | Mono-4-arylazoaryl phosphoric esters New phosphoric ester having the following formula (I) and a method for the analysis of an alkaline phosphatase, using the phosphoric ester as a substrate: ##STR1## wherein M is a hydrogen atom or an alkali metal atom; A is phenyl, naphthyl, 2- o... | 01/10/1989 |
| 4794072 | Phosphate ester stabilizers A photographic element comprising a support having thereon at least one silver halide emulsion layer having associated therewith a yellow or cyan dye-forming coupler and a dye stabilizer comprising a phosphate ester compound having the formula: ##STR... | 12/27/1988 |
| 4772702 | Preparation of (thiono)phosphoric esters In the preparation of a (thiono)phosphoric ester of the formula ##STR1## in which X represents oxygen or sulphur, R and R1 are identical or different and represent alkyl, and R2 represents optionally substituted aryl or represents optiona... | 09/20/1988 |
| 4745233 | Derivatives of 1,1,2,2-tetramethyl-1,2-bis-(2-fluoro-4-hydroxyphenyl)-ethane Antitumor compounds corresponding to the following formula: ##STR1## in which the substituents R1 and R2 may be the same or different and represent hydrogen, an aminocarbonyl group, a C1 -C6 alkylaminocarbo... | 05/17/1988 |
| 4739079 | Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor Compounds having the formula ##STR1## wherein ##STR2## R1 is hydrogen, benzyl or alkanoyl, X is C2-4 alkylene; and Z-W is alkyl, phenylalkyl or pyridylalkyl which can have an oxygen atom as part of the alkyl chain and their... | 04/19/1988 |
| 4734404 | Pesticidal benzoylureidoaryl phosphate compounds Novel benzoylureidoaryl phosphate compounds are provided together with methods for their preparation and the use of said compounds as the active toxicant in pesticidal compositions.... | 03/29/1988 |
| 4695405 | Process for quenching fluorescence, and new cationic or amphoteric aromatic nitro compounds To quench the fluorescence produced by anionic fluorescent brighteners use is made of virtually colorless, water-soluble cationic or amphoteric compounds which contain in the molecule at least one ammonium group, at least two aryl, arylene, hetaryl and/or... | 09/22/1987 |
| 4692542 | Phosphorylating agent The invention relates to phosphorylating agents containing at least one protected hydroxyl group and at least one leaving group. According to the invention, a methylsulphonylethyl group (Mse) is used as the hydroxyl protecting group. Typical examples of s... | 09/08/1987 |
| 4673671 | Method for improving the absorption and effectiveness of a catecholamine compound A catecholamine compound is converted to a new mono O-phosphate ester derivative thereof which exhibit improved absorption and effectiveness.... | 06/16/1987 |
| 4593131 | Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor Compounds having the formula ##STR1## wherein ##STR2## R1 is hydrogen, benzyl or alkanoyl, X is C2-4 alkylene; and Z-W is alkyl, phenylalkyl or pyridylalkyl which can have an oxygen atom as part of the alkyl chain and their... | 06/03/1986 |
| 4591582 | Organophosphorus compounds useful as anticonvulsant agents Organophosphorus compounds useful as anticonvulsant agents having the general formula: ##STR1## wherein R is alkyl, X is O or S, Y is O or S, n is an integer from 0 to 1, R1, R2 and R3 are selected from the group cons... | 05/27/1986 |
| 4565569 | Diphenyl sulfone compounds, and their production and use A diphenyl sulfone compound of the formula: ##STR1## wherein R1 and R2 are, same or different, each a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group, ... | 01/21/1986 |
| 4562011 | Process for preparing aryl phosphates Aryl phosphates are prepared by a procedure in which a diaryl cabonate is reacted with phosphoric acid or a phosphate derived from the acid, using an added source of hydrogen ions, for instance, methanesulfonic acid, to catalyze the reaction.... | 12/31/1985 |
| 4559184 | Phosphate ester synthesis without phosphorylation catalyst Triarylphosphates are prepared by phosphorylation of alkylphenols without use of phosphorylation catalyst. An improved phosphorylation step includes preheating alkylphenol feedstock to 150° C. and completing reaction at 215° C. or above in the presence ... | 12/17/1985 |
| 4556684 | Flame retardant styrene modified polyphenylene ether resins Flame retardant polyphenylene ether resin compositions are described in which the flame retardant agent is a mixture (by weight) of the following: (a) about 1.5% to about 3.0% of: ##STR1## (b) about 15.0% to about 20.0% of: ##STR2## (c) about 23... | 12/03/1985 |
| 4545812 | Diphenyl sulfone compounds, and their production and use A diphenyl sulfone compound of the formula: ##STR1## wherein R1 is a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group or a lower alkoxycarbonyl(lower)alkoxy group,... | 10/08/1985 |
| 4535076 | Organophosphate pesticides Organophosphate derivatives of the formula ##STR1## in which X is O, S or NH, Y is O or S, R1 is a lower alkyl group, R2 is a lower alkyl group or a lower alkoxy-lower alkyl group, R3 is a fluoro-substituted lower alkyl group, ... | 08/13/1985 |
| 4526917 | Flame retardant mixture of triaryl phosphates and resinous compositions thereof Flame retardant admixtures of triaryl phosphates and a resin as well as a process for preparation are described. The triaryl phosphate mixture includes at least one phosphate where 1 or 2 of the 3 aryl groups are mesityl and the remaining group or groups ... | 07/02/1985 |
| 4511498 | Mixed phenyl/mesityl phosphate ester composition A mixed phenyl/mesityl phosphate ester composition that is useful as a fire retardant additive, having a phosphorus content of from about 8.2% to about 8.4% is prepared by reacting with agitation at about 120° C. to 130° C. distilled still bottom phenol... | 04/16/1985 |
| 4508706 | Composition for increasing melanin in mammalian skin and hair A composition and method useful for increasing the accumulation of melanin in the skin of humans and other mammals wherein the composition comprises at least one O-phosphorylated derivative of 3-(3,4-dihydroxy)phenylalanine.... | 04/02/1985 |
| 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 mixed meta and para isomers thereof, and which thereafter is... | 01/08/1985 |
| 4486609 | Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor Compounds having the formula ##STR1## R1 is hydrogen, benzyl or alkanoyl, X is C2-4 alkylene; and Z--W is alkyl, phenylalkyl or pyridylalkyl which can have an oxygen atom as part of the alkyl chain and their use as CNS agents, antidi... | 12/04/1984 |
| 4482506 | Process for the manufacture of alkyl diaryl phosphate esters Mixed phosphoric acid ester compositions containing less than 4 weight percent of a triaryl phosphate, from about 10 to about 20 weight percent of an aryl dialkyl phosphate and from about 65 to about 80 weight percent of an alkyl diaryl phosphate are prep... | 11/13/1984 |
| 4474776 | Anthryl substituted phosphorus compounds as insecticides This invention discloses new insecticidal compounds of the formula ##STR1## wherein X and Y are each independently selected from the group consisting of halogen, alkyl, haloalkyl, nitro, alkylsulfinyl, alkylsulfonyl and cyano; m and n are integers fr... | 10/02/1984 |
| 4469644 | Process for the production of triaryl phosphates Triaryl phosphates are prepared in good yields by contacting the corresponding triaryl phosphites with an oxygen-containing gas in the presence of a catalyst that comprises a halogen component and a cationic cocatalyst at a temperature in the range of 10Â... | 09/04/1984 |
| 4448733 | Production of alkylsulfinyl substituted organophosphoric acid esters A process for preparing an alkylsulfinyl-substituted phenylphosphoric acid ester of the formula ##STR1## in which R1 and R2 each independently is alkyl, haloalkyl, alkenyl or optionally substituted aryl, R3 is alkyl, ... | 05/15/1984 |
