Abstract: Compounds useful as surface coating agents, including compounds of the formula: wherein X1 comprises a first photoreactive species; X2 comprises a second photoreactive species; Y comprises a nonpolymeric core molecule comprising an aromatic group; and Z comprises at least one charged group. The Y core can include an aromatic group such as a benzene radical, the charged groups Z can be independently selected from the organic acids that include sulfonic acid, carboxylic acid, and phosphoric acid, and the photoreactive species of X1 and X2 can independently be aryl ketones, such as those selected from the group acetophenone, benzophenone, anthraquinone, anthrone, and anthrone-like heterocycles, and their substituted derivatives.

Abstract: There is provided a single-step process for the preparation of a compound of formula I. Compounds of formula I are useful as starting materials in the synthesis of natural products and in the manufacture of benzophenone fungicidal agents.

Abstract: Disclosed and claimed is an assay for identifying potential inhibitors of p-hydrophenylpyruvate dioxygenases (HPPD) from plants, in which an enriched HPPD from plants is incubated with a test substrate to be examined and the enzymatic activity of the enzyme is determined in comparison with the activity of the uninhibited enzyme. Also disclosed and claimed is a method of using the inhibitors of HPPD of a plant identified by the assay, such as their use as herbicides. Further disclosed and claimed are novel herbicidal active substances, including those of the formula (I) which were found using the assay method according to the invention.

Abstract: The present invention relates to novel bisbenzophenones and the use thereof as an ultraviolet light absorber. The presently claimed compounds are particularly useful, either alone or in combination with other additives, including other ultraviolet light absorbers, antioxidants and stabilizers, in stabilizing polymers and other materials from degradation by environmental forces such as actinic radiation (ultraviolet light), oxidation, moisture, atmospheric pollutants and combinations thereof.

Abstract: Compositions comprising A) a polyolefin or polyolefin copolymer, and B) a compound of the formula I wherein R1 is O or O—X—O; R2, R3, R4 and R5 independently are hydrogen, halogen, C1-C8alkyl, C1-C8alkoxy, SR10, SO2R10, phenyl, CF3, COOR11; and wherein R2 and R3 also may be OH; R6 and R7 are H or C1-C8alkyl; R8 and R9 are H, C1-C8alkyl or allyl; R10 is phenyl or C1-C12alkyl; R11 is C1-C8alkyl; C3-C50alkylene interrupted by one or more O; cyclohexyl; benzyl; allyl; X is C2-C18alkylene; C3-C12hydroxyalkylene; or a group selected from those of the formulae where D and D′ independently are a direct bond or C1-C3alkylene; and Y is O, S, SO2, or C1-C3alkylene, e.g. polyethylene films, are well stabilized against the effects of light, oxygen and heat. Some novel compounds of component B are valuable stabilizers for organic material against damage by light, oxygen and/or heat.

Abstract: The invention relates to new compounds of the formula (I) in which R is phenyl, C1-4alkyl-, C1-4alkoxy- or halogen-substituted phenyl, naphthyl or an aromatic ring containing heteroatoms; X is O or S; R1 and R2 are each a methyl radical or R1 and R2 together are a C4-8alkylene radical; Y is hydroxyl, C1-12alkoxy, C1-4alkylamino, di-C1-4alkylamino or a piperidine or morpholine ring that is attached by its nitrogen atom; to a process for preparing them and to their use as photoinitiators and/or photosensitizers.

Abstract: There is provided a single-step process for the preparation of a compound of formula I. Compounds of formula I are useful as starting materials in the synthesis of natural products and in the manufacture of benzophenone fungicidal agents.

Abstract: A hyperbranched polyetherketone and a heat-resistant blend of polyvinylchloride with the same. The polyetherketone is synthesized by self-polycondensation of 3,5-bis[4-[(2,3,4,5,6-pentafluorophenyl)carbonyl]phenoxy]-4-hydroxybenzophenone or 3,5-difluoro-4-hydroxybenzophenone, and then substituting 50 to 80 mole % of fluorine atoms present in the side chains and ends of the PEK molecule by polar groups. In addition, a blend of polyvinylchloride can be manufactured using the hyperbranched polyetherketone by a melt blending technique applicable for industrial purpose at a temperature of 180 to 120° C., and thus the blend of polyvinylchloride with the polyetherketone can be applied to high temperature end-use products such as hot water pipes.

Abstract: The invention relates to an aqueous, concentrated suspension (SC) for crop protection active compounds which comprises (a) 50 to 400 g/L of at least one crop protection active compound; (b) 50 to 500 g/L of at least one adjuvant, which reduces the surface tension in the spray dilution 40 mN/m or less and does not promote the particle growth of the crop protection active compound; (c) at least one surfactant selected from the groups (c1) and (c2): (c1) 5 to 75 g/L of one or more non-ionic dispersants, (c2) 10 to 100 g/L of one or more anionic dispersants, (d) up to 150 g/L of one or more anti-freezing agents, (e) up to 25 g/L of one or more defoamers, (f) up to 25 g/L of one or more preservatives, and (g) 200 to 800 g/L of water, wherein the adjuvant (b) is selected from the group consisting of amine alkoxylates, polyoxyalkylene triglycerides, alkylpolyglycosides, alkenyl succinic anhydride derivatives, polyvinylpyrrolidones, perfluoroalkyl acids derivatives, and mixtures thereof; and to the use of

Abstract: A description is given of diphenyl compounds of formula wherein R is a camphor or hydantoin derivative; and R1 is hydrogen; or C1-C5alkyl. These compounds are suitable as light stabilizers in cosmetic, pharmaceutical and veterinary formulations.

Abstract: Triazine, benzotriazole and benzophenone derivatives which are substituted or bridged with polyoxyalkylene groups, according to claim 1, and their use as UV absorbers, especially in photographic materials, in inks, including inkjet inks and printing inks, in transfer prints, in paints and varnishes, organic polymeric materials, plastics, rubber, glass, packaging materials, in sunscreens of cosmetic preparations and in skin protection compositions.

Abstract: Ketoximes, processes for their preparation, compositions containing them, and a copper extraction process using the compositions.

Abstract: Substituted benzophenone compounds and a process for manufacturing them, are disclosed. The compounds have the formula: The compounds are useful as fungicides having high systemicities.

Abstract: This invention provides compounds of Formula I having the structure ##STR1## wherein Y is ##STR2## R.sup.1 and R.sup.2 are each, independently, hydrogen, alkyl of 1-6 carbon atoms, halogen, perfluoroalkyl of 1-6 carbon atoms, cycloalkyl of 3-8 carbon atoms, thienyl, furyl, phenyl or phenyl mono-, di- or tri-substituted with trifluoromethyl, chloro, methoxy, or trifluoromethoxy;R.sup.3 and R.sup.4 are each, independently, hydrogen, carboxyl, hydroxyl, hydoxyalkyl of 1-6 carbon atoms, hydroxyalkanoyl of 1-6 carbon atoms, aryloxycarbonyl of 7-13 carbon atoms, alkoxycarbonyl of 2-7 carbon atoms, perfluoroalkoxycarbonyl of 2-7 carbon atoms, alkyl of 1-6 carbon atoms, perfluoroalkyl of 1-6 carbon atoms, aminoalkyl of 1-6 carbon atoms, alkylamino of 1-6 carbon atoms, dialkylamino of 1-6 carbon atoms per alkyl group, tetrazolyl, mercapto, alkylsulfanyl of 1-6 carbon atoms, nitrile, nitro, amino, --NHSO.sub.2 CF.sub.

Abstract: 2-Amino-4,5,3',4'-tetramethoxybenzophenone of the formula: ##STR1## is prepared by mononitration of 3,3',4,4'-tetramethyoxybenzophenone using nitric acid in the presence of acetic acid, and subsequent reduction of the nitro group. The compound is an intermediate in the synthesis of active ingredients against rheumatoid arthritis.

Abstract: Oligomeric materials contain ultraviolet light absorbing compounds that are covalently bound to the oligomer backbone through an ester or amide linkage. These ultraviolet light absorbing oligomers may be combined with polymers such as polyolefins to provide protection against the harmful effects of ultraviolet light.

Abstract: The invention relates to fluorescent dyes that are substituted or unsubstituted derivatives of 1-(isoindolyl)methylene-isoindole that are bound through both isoindole nitrogens to a boron difluoride moiety, forming a fluorescent dibenzopyrrometheneboron difluoride compound ##STR1## that is further substituted by bathochromic substituents that are aryl or heteroaryl moieties further substituted by an additional aryl or heteroaryl, that is itself optionally further substituted by an additional aryl or heteroaryl. These aryl and heteroaryl groups are separated by a covalent bond, or by an ethenyl, butadienyl or hexatrienyl linkage. The dyes of the invention are particularly useful as labels for carriers, particularly polymeric microparticles. The resulting microparticles have a long-wavelength fluorescence emission, and possess utility for tracing flow in biological systems, particularly in tracing blood flow.

Abstract: Substituted benzophenone compounds are disclosed, having the formula: ##STR1## The compounds are useful as fungicides having high systemicities.

Abstract: Novel dibenzoylresorcinol-based compounds are disclosed wherein the dibenzoylresorcinol is bonded to the residue of either an alcohol or a carboxylic acid group, via a methylene carboxylate linking group; and wherein the dibenzoylresorcinol is bonded directly to a substituted or unsubstituted aryl group which does not include a pendent hydroxyl group. The groups attached to the dibenzoylresorcinol may contain a wide variety of functional sites which permit further reaction, e.g., copolymerization. The described compounds are very useful as UV light absorbers and may be used to form improved coating compositions which usually include a transparent, polymeric matrix material. The coating compositions may be applied to various substrates, e.g., thermoplastics, to afford a selection of enhanced properties, such as UV light resistance and abrasion resistance.

Abstract: An epoxylated DBR, dibenzoylresorcinol and various derivatives thereof have been prepared to show usefulness in coatings due to compatibility and solubility. Such coatings can be acrylics, epoxies, or silicone hardcoats which are thermally or photo cured thermoset, or thermoplastic coating materials in a variety of solvent types. The disclosed UV absorber also has the advantage of a higher molecular weight and lower volatility than DBR alone thus providing processing advantages.

Abstract: An aqueous dispersion comprising at least one of the UV absorbing compounds of the following formulae I, II or III as below defined: A--B (I); A--C--A (II); or B--A--B (III); wherein in Formula (I) and (II) ##STR1## and in Formula III, A is ##STR2## Y being a direct bond, a substitute C.sub.1-4 alkylene group, ##STR3## and R.sub.1 to R.sub.5 independently of each other are hydrogen; C.sub.4-4 alkyl, the alkyl optionally being substituted; aryl; heterocyclyl; or any two of R.sub.1 to R.sub.5 which are adjacent, together form part of a ring, with the proviso that no more than four of R.sub.1 to R.sub.5 are hydrogen.

Abstract: Substituted benzophenone compounds are disclosed, having the formula: ##STR1## The compounds are useful as fungicides having high systemicities.

Abstract: Novel dibenzoylresorcinol compositions capable of absorbing ultraviolet light having the formula ##STR1## where Ar.sub.1 and Ar.sub.2 are independently substituted or unsubstituted monocyclic or polycyclic aryl groups, R is hydrogen, an aryl group, or a linear or branched alkyl chain having less than about 10 carbons, and Ar.sub.3 is an aryl group bearing at least one hydroxyl group. Methods of making the compositions are provided. The novel dibenzoylresorcinol compositions are methylene-bridged dibenzoylresorcinol derivatives having a phenol group on the bridging methylene and are compatible in coating compositions to improve the weatherability of thermoplastic substrates.

Abstract: A pesticidal compound of formula I: ##STR1## in which formula: either R.sup.1 is hydrogen and R.sup.2 represents a cyclopropyl group or R.sup.1 and R.sup.2 each represent an alkyl group, which alkyl groups may be the same or different;Ar.sub.A represents an optionally substituted phenyl or naphthyl group;Ar.sub.B represents a phenoxy, phenyl, benzyl or benzoyl-substituted phenyl group which is optionally further substituted;the configuration of the groups Ar.sub.A --CR.sup.1 R.sup.2 and --CH.sub.2 Ar.sub.B about the double bond being mutually trans.Preferably Ar.sub.A is a substituted phenyl group; more preferably being substituted at the 4-(para) position by halogen, alkoxy or haloalkyl.Further provided is a process for the preparation of a pesticidal compound of formula I in which a compound comprising a moiety ##STR2## and a compound comprising a moiety Ar.sub.B -- are reacted together forming a link --CH.dbd.C(F)CH.sub.2 -- between ##STR3## and Ar.sub.B in the compound of formula I.

Abstract: The present invention relates to a process for the preparation of benzophenone derivatives and comprises a selective crystallization of alkali salts of compounds of formula (I) ##STR1## wherein R.sup.1 is lower-alkyl and R.sup.2 is hydrogen, lower-alkyl or halogen,from the isomeric alkali salts of the 3-hydroxy compounds of formula (II), ##STR2## wherein R.sup.1 and R.sup.2 are as defined above.

Abstract: There is provided a method for the control of phytopathogenic fungi and disease caused thereby which comprises contacting said fungi with a fungicidally effective amount of a benzophenone compound of formula I ##STR1## There are further provided benzophenone compounds of formula Ia which are useful as fungicidal agents and compositions useful for the protection of plants from the damaging effects of phytopathogenic fungi and fungal disease.

Abstract: The present invention provides a curable resin compound which is soluble in organic solvents and easy to use, and a method for producing the same. The curable resin compound comprises a structure and crosslinkable groups which end-cap the structure, the structure comprising three or four non-substituted benzene rings each of which is joined with each adjacent benzene ring by an ether or ketone linkage so that both types of linkages are present in the structure. Though the curable resin compound exhibits satisfactory solubilities in organic solvents, a composition comprising the compound can be cured by a crosslinking reaction to be insoluble in the organic solvents while being provided with improved solvent resistance and chemical resistance. Accordingly, the present invention also provides a cured-resin material derived from the aforementioned curable resin compound, the cured-resin material being excellent in solvent resistance, chemical resistance and thermal resistance.

Abstract: There are described a method for enriching the anabolic p-hydroxyphenylpyruvate dioxygenases from plant tissues and a method by means of which the enzymatic activity of the enzyme can be measured in a simple manner without complete purification of the enzyme being necessary. The invention furthermore describes an assay system for identifying inhibitors of p-hydroxyphenylpyruvate dioxygenase from plants, in which an enriched HPPD from plants is incubated with a test substrate to be examined and the enzymatic activity of the enzyme is determined in comparison with the activity of the uninhibited enzyme. The invention furthermore describes the novel herbicidal active substances of the formula (I) ##STR1## which were found using the assay method according to the invention.

Abstract: Compounds are provided which are crossreactive with peptides such as those bound by G-protein-linked receptors, together with preparative and therapeutic methods therefor. The compounds have the general structure: ##STR1## wherein at least one of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 or R.sub.6 comprises a chemical functional group which causes the compounds to be crossreactive with the peptide of interest.

Abstract: Cosmetic compositions containing sunscreens against sun radiation ranging from 280 to 380 nm, and their use for the protection of the skin from UV radiation. The sunscreens comprise, with respect to the weight of the composition:a) from 1 to 10% of one or more compounds of formula (I) ##STR1## wherein Q is hydrogen or C.sub.1 -C.sub.4 alkoxy and G is C.sub.1 -C.sub.8 alkyl; andb) from 0.5 to 10% of one or more compounds of formula (II): ##STR2## wherein R.sub.1 is C.sub.1 -C.sub.8 alkyl and R.sub.2 is hydrogen or an SO.sub.3 M group wherein M is hydrogen, an alkali metal, or a mono- or polyalkyl-substituted ammonium group;with the condition that the weight ratio between the compounds of formula (II) and the compounds of formula (I) is at least 0.5.

Abstract: There is provided a method for the control of phytopathogenic fungi and disease caused thereby which comprises contacting said fungi with a fungicidally effective amount of a benzophenone compound of formula I ##STR1## There are further provided benzophenone compounds of formula Ia which are useful as fungicidal agents and compositions useful for the protection of plants from the damaging effects of phytopathogenic fungi and fungal disease.

Abstract: Novel dibenzoylresorcinol compositions capable of absorbing ultraviolet light having the formula ##STR1## where Ar.sub.1 and Ar.sub.2 are independently substituted or unsubstituted monocyclic or polycyclic aryl groups, R is hydrogen, an aryl group, or a linear or branched alkyl chain having less than about 10 carbons, and Ar.sub.3 is an aryl group bearing at least one hydroxyl group. Methods of making the compositions are provided. The novel dibenzoylresorcinol compositions are methylene-bridged dibenzoylresorcinol derivatives having a phenol group on the bridging methylene and are compatible in coating compositions to improve the weatherability of thermoplastic substrates.

Abstract: The invention relates to a method of protecting surfaces of wood against damage by light by treatment with a coating composition comprising a benzophenone of the formula I ##STR1## in which the substituents are defined as in claim 1.

Abstract: Cosmetic compositions containing sunscreens against sun radiation ranging from 280 to 380 nm, and their use for the protection of the skin from UV radiation. The sunscreens comprise, with respect to the weight of the composition:a) from 1 to 10% of one or more derivatives of formula (I) ##STR1## wherein Q is hydrogen or C.sub.1 --C.sub.4 alkoxy and G is C.sub.1 --C.sub.8 alkyl;b) from 0.5 to 10% of one or more derivatives of formula (II): ##STR2## wherein R.sub.1 is hydrogen or C.sub.1 --C.sub.8 alkyl and R.sub.2 is hydrogen or an SO.sub.3 M group in which M is hydrogen, an alkali metal, or an alkyl ammonium group; andc) from 1 to 10% of one or more derivatives of formula (III) ##STR3## wherein R.sub.3 is C.sub.1 --C.sub.8 alkyl and R.sub.4 has independently the same meanings as R.sub.3 or is hydrogen or is an alkali metal;with the condition that the weight ratio between the compounds of formula (II) and the compounds of formula (I) is at least 0.5.

Abstract: There is provided a method for the control of phytopathogenic fungi and disease caused thereby which comprises contacting said fungi with a fungicidally effective amount of a benzophenone compound of formula I ##STR1## There are further provided benzophenone compounds of formula Ia which are useful as fungicidal agents and compositions useful for the protection of plants from the damaging effects of phytopathogenic fungi and fungal disease.

Abstract: Compounds of the formula ##STR1## in which: n is 0, 1 or 2, and, if n is 2, the two radicals R.sub.3 are identical or different;R.sub.2 is methyl, fluorine, chlorine or bromine;R.sub.3 is C.sub.1 -C.sub.3 -alkyl, halo-C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, halo-C.sub.1 -C.sub.3 alkoxy, fluorine, chlorine or bromine:R.sub.5 is hydrogen or C.sub.1 -C.sub.9 alkyl andX is methylene, O, S or C(.dbd.O):can be used as intermediates for agrochemical active ingredients.

Abstract: A method of preparing (e.g., priming) a surface for attachment of a target molecule to the surface. The method provides a multifunctional reagent having multiple photoreactive groups. The groups can be activated in order to covalently bind one or more of them to the surface in such a manner that one or more will remain unbound. The unbound groups are then capable of reverting to their activatable state, whereupon they can again be activated in order to bind a target molecule having abstractable hydrogen atoms.

Abstract: Liquid UV stabilizers which are stable at room temperatures or below made from di-substituted and tri-substituted benzophenone compositions. A process to render di-substituted and tri-substituted benzophenone admixtures stable liquids at room temperatures or below involving heating the admixture to a temperature in the range of 80.degree.-175.degree. C. for a period of time sufficient that when the admixture is cooled to room temperature the admixture remains liquid.

Abstract: A fluorine-containing benzophenone derivative of the formula (1), (2) or (3):.PHI..sup.1 (--X.sup.1 --Q.sup.1 --R.sub.f.sup.1).sub.n (1).PHI..sup.2 --X.sup.2 --Q.sup.2 --R.sub.f.sup.2 --Q.sup.3 --X.sup.3 --.PHI..sup.3 (2).PHI..sup.4 --X.sup.4 --Q.sub.f --X.sup.5 --.PHI..sup.5 (3)wherein .PHI..sup.1 is a 2-hydroxybenzophenone structure of the formula ka-1: ##STR1## (wherein Y is a hydrogen atom or a hydroxyl group, each of k and m indicates the number of bond sites, k is an integer of from 0 to 3, and m is an integer of from 0 to 3, provided that 1.ltoreq.(k+m).ltoreq.4), n corresponds to (k+m) and is an integer of from 1 to 4, each of .PHI..sup.2, .PHI..sup.3, .PHI..sup.4 and .PHI..sup.5 is a 2-hydroxybenzophenone structure of the formula ka-1 wherein (k+m) is 1, each of X.sup.1, X.sup.2, X.sup.3, X.sup.4 and X.sup.5 is a single bond or an oxygen atom, Q.sup.1 is a single bond or a bivalent linking group having a carbon atom directly bonded to X.sup.1, each of Q.sup.2 and Q.sup.

Abstract: The present invention is to provide phenethyl alcohol derivative represented by the general formula (I), which is a stabilizing agent for colored images, particularly improved in resistance to plasticizers for the use in recording materials. ##STR1## (wherein Y: formula (II) or formula (III) R.sup.1 : H, alkyl, aralkylR.sup.2, R.sup.3 and R.sup.4 : halogen, nitro, alkyl, alkoxy, alkenyl, alkenyloxy,R.sup.5, R.sup.6 and R.sup.7 : H, alkyl,Z: --SO.sub.2 --, --CO--, --C(CH.sub.3).sub.

Abstract: A composition of matter having the general structure: ##STR1## (wherein X is F, Cl, or NO.sub.2, and Y is CO, SO.sub.2 or C(CF.sub.3).sub.2) is employed to terminate a nucleophilic reagent, resulting in the exclusive production of phenylethynyl terminated reactive oligomers which display unique thermal characteristics. A reactive diluent having the general structure: ##STR2## (wherein R is any aliphatic or aromatic moiety) is employed to decrease the melt viscosity of a phenylethynyl terminated reactive oligomer and to subsequently react therewith to provide a thermosetting material of enhanced density. These materials have features which make them attractive candidates for use as composite matrices and adhesives.

Abstract: A composition of matter having the general structure: ##STR1## (wherein X is F, Cl, or NO.sub.2, and Y is CO, SO.sub.2 or C(CF.sub.3).sub.2) is employed to terminate a nucleophilic reagent, resulting in the exclusive production of phenylethynyl terminated reactive oligomers which display unique thermal characteristics. A reactive diluent having the general structure: ##STR2## (wherein R is any aliphatic or aromatic moiety) is employed to decrease the melt viscosity of a phenylethynyl terminated reactive oligomer and to subsequently react therewith to provide a thermosetting material of enhanced density. These materials have features which make them attractive candidates for use as composite matrices and adhesives.

Abstract: A multifunctional reagent is provided that is useful for the attachment of desired molecules to support surfaces. A reactive reagent molecule of the invention is "restrained" in that it is conformationally and/or chemically restricted from reacting with either itself or with other molecules of the same reagent. Upon activation, this feature causes the attachment of less than all of the reactive sites of the multifunctional reagent to a surface, thereby leaving the remaining sites free to react with molecules desired to be immobilized onto the surface.

Abstract: Compounds of formula I ##STR1## wherein X, A, B, R.sup.1 and R.sup.2 have the meanings given in the specification, and pharmaceutically acceptable salts and pharmaceutically acceptable in vivo hydrolysable ester thereof, processes for preparing the compounds and pharmaceutical compositions comprising them. The compounds are useful as potassium channel openers and as therapeutic agents in the treatment of urinary incontinence.

Abstract: A new class of polymers is provided, as well as the monomers used for their preparation. The polymers provided in accordance with practice of the present invention include repeating units comprising one or more quinoline groups, wherein at least a portion of the repeating units includes a hexafluoroisopropylidene (6F) group or a 1-aryl-2,2,2-trifluoroethylidene (3F) group, or both.The hexafluoroisopropylidene group is referred to herein as a "6F" group and has the following structure: ##STR1## The "6F" group includes a tetravalent carbon atom bound to two trifluoromethyl moieties, with its other two bonds forming linkages in the polymer chain.The 1-aryl-2,2,2-trifluoroethylidene group is referred to herein as a "3F" group and has the following structure: ##STR2## wherein Ar' is an aryl group.

Abstract: The invention concerns .alpha.,.alpha.-dialkylbenzyl derivatives of the formula I ##STR1## wherein Ar.sup.1 is phenyl or naphthyl, or a 10-membered bicyclic heterocyclic moiety containing one or two nitrogen heteroatoms and optionally containing a further heteroatom selected from nitrogen, oxygen and sulphur;A.sup.1 is a direct link to X.sup.1 or is (1-3C)alkylene;X.sup.1 is oxy, thio, sulphinyl or sulphonyl;the phenylene group may optionally bear one or two substituents R.sup.3 ;each of R.sup.1 and R.sup.2, which may be the same or different, is (1-4C)alkyl, (2-4C)alkenyl, (2-4C)alkynyl, fluoro-(1-4C)alkyl, phenyl or phenyl-(1-4C)alkyl, provided that both of R.sup.1 and R.sup.2 are not methyl or fluoromethyl; andQ is cyano, amino, nitro, formyl, (1-4C)alkoxy, thiazolyl or (2-4C)alkanoyl;or a pharmaceutically-acceptable salt thereof;processes for their manufacture; pharmaceutical compositions containing them and their use as 5-lipoxygenase inhibitors.

Abstract: A modified epoxy resin or compound of the formula: ##STR1## wherein A is the backbone reside of a glycidyl ether epoxy resin with removal of the glycidyloxy groups; R.sup.1 and R.sup.2 are independently a hydrogen atom or C.sub.1 -C.sub.12 alkyl; R.sup.3 is a glycidyl group; and n is an integer of greater than 1. A method for producing the modified epoxy resin is also disclosed.

Abstract: A methylol-substituted trihydroxybenzophenone of the formula (I): ##STR1## This methylol-substituted trihydroxybenzophenone may be reacted with selected phenolic monomers during or after the formation of a phenolic novolak resin thereby said resin having at least one unit of formula (II): ##STR2## wherein R and R.sub.1 are individually selected from hydrogen, a lower alkyl group having 1 to 4 carbon atoms or a lower alkoxy group having 1 to 4 carbon atoms.

Abstract: The present invention relates to novel sunscreen agents which have the ability to absorb both UVA and UVB wavelength radiation. The sunscreen agents comprise a specific type of UVA-absorbing chromophore covalently bonded to a specific type of UVB-absorbing chromophore. The chromophore moieties are covalently bonded together such that the electron systems of these moieties are not directly coupled.The present invention further relates to sunscreen compositions containing the hereinbefore described type of sunscreen agents. Furthermore, the present invention relates to methods for protecting the skin of humans or lower animals from the effects of UVA and UVB wavelength radiation. This method comprises topically applying to the skin an effective coating of a sunscreen composition of the present invention.

Abstract: The present invention relates to novel sunscreen agents which have the ability to absorb both UVA and UVB wavelength radiation. The sunscreen agents comprise a specific type of UVA-absorbing chromophore covalently bonded to a specific type of UVB-absorbing chromophore. The chromophore moieties are covalently bonded together such that the electron systems of these moieties are not directly coupled.The present invention further relates to sunscreen compositions containing the hereinbefore described type of sunscreen agents. Furthermore, the present invention relates to methods for protecting the skin of humans or lower animals from the effects of UVA and UVB wavelength radiation. This method comprises topically applying to the skin an effective coating of a sunscreen composition of the present invention.