Abstract: The invention relates to streptospirole derivatives of the general formula (I), wherein R1, R2, R3, X1, X2, Y1 and Y2 are as defined herein, a process for the preparation of said compounds by fermenting the microorganism Streptomyces sp. ST 108140 (DSM 19369) and optionally derivatizing the compounds produced by said microorganism, a pharmaceutical composition comprising at least one compound of the formula (I), and the use of a compound of the formula (I) for the preparation of a medicament for the treatment and/or prophylaxis of bacterial infections.

Abstract: The invention relates to streptospirole derivatives of the general formula (I), wherein R1, R2, R3, X1, X2, Y1 and Y2 are as defined herein, a process for the preparation of said compounds by fermenting the microorganism Streptomyces sp. ST 108140 (DSM 19369) and optionally derivatizing the compounds produced by said microorganism, a pharmaceutical composition comprising at least one compound of the formula (I), and the use of a compound of the formula (I) for the preparation of a medicament for the treatment and/or prophylaxis of bacterial infections.

Abstract: Aqueous radiation curable binders comprising non-ionically stabilized epoxy resins ABC. Resins ABC are an adduct mixture of: adducts formed by the reaction of polyethylene glycol-modified epoxy resins A with olefinically unsaturated acids C, and adducts formed by the reaction of epoxy resins B, that are free from polyethylene glycol derived groups, with olefinically unsaturated acids C. A process for preparing aqueous radiation curable binders comprising non-ionically stabilized epoxy resins ABC, and a process of coating a substrate with aqueous radiation curable binders comprising non-ionically stabilized epoxy resins ABC.

Abstract: An aqueous epoxy resin system ABC comprising an aqueously dispersed epoxy resin A having, on the average, at least one epoxy group per molecule, a water-soluble or water-dispersible curing agent B which comprises the reaction product of an amine B1 having at least one primary and at least one secondary amino group, and an adduct B2 of a polyalkylene ether polyol B21 and an opexide component B22, and aminoplast compound C having a mass fraction of at least 0.1% of sulphonate or sulphonic acid groups, a coating composition ABCD for thick layer applications comprising the aqueous epoxy resin system ABC and at least one particulate filler D selected from the group consisting of talc, mica, quartz, titanium dioxide, aluminium dioxide, calcium carbonate, and dolomite, and a process for coating mineral or concrete based substrates or floors with such coating compositions.

Abstract: Aqueous radiation curable binders comprising non-ionically stabilised epoxy resins ABC, characterised in that they comprise building blocks of epoxy resins A modified with polyethylene glycol, of epoxy resins B that are free from polyethylene glycol, and of olefinically unsaturated acids C, and that at least 50% of all reaction products derived from the epoxy resins A and B comprise at least one ester group formed by reaction of a terminal epoxy group with an olefinically unsaturated acid C, a process for their preparation, and use thereof as coating composition

Abstract: An epoxy resin composition comprising an addition polymer BC of vinyl monomers B, which is polymerized in the presence of liquid epoxy resins C, and, if desired, further liquid epoxy resins A, curatives, and, if desired, fillers, process for its preparation, and its use for coating painted and unpainted metals, especially in thick coats

Abstract: Water dilutable amine curing agents for aqueous epoxy resin dispersions, comprising a combination of an epoxide-amine adduct with an emulsifier, the epoxide-amine adduct being obtainable by reacting a polyepoxide with a reaction product of an amine and an epoxide component or an amine and subsequent reaction with an epoxide component, the amount of amine being chosen such that the number of nitrogen-attached hydrogen atoms the number of epoxide groups by a factor of from 2 to 10, and the emulsifier being obtainable by reacting diepoxides or polyepoxides with compounds that are at least difunctional with respect to epoxides, optionally with compounds D that are monofunctional with respect to epoxides, and with amines G which contain at least one tertiary and at least one primary or at least two secondary amino group(s).

Abstract: Water dilutable amine curing agents for aqueous epoxy resin dispersions, comprising a combination of an epoxide-amine adduct with an emulsifier, the epoxide-amine adduct being obtainable by reacting a polyepoxide with a reaction product of an amine and an epoxide component or an amine and subsequent reaction with an epoxide component, the amount of amine being chosen such that the number of nitrogen-attached hydrogen atoms the number of epoxide groups by a factor of from 2 to 10, and the emulsifier being obtainable by reacting diepoxides or polyepoxides with compounds that are at least difunctional with respect to epoxides, optionally with compounds D that are monofunctional with respect to epoxides, and with amines G which contain at least one tertiary and at least one primary or at least two secondary amino group(s).

Abstract: Water-dilutable polyvinylbutyral dispersions obtainable by a two-stage reaction in the first stage of which at least one tertiary alkanolamine A and at least one diisocyanate B are reacted to the theoretically calculated NCO content and the amounts of components A and B are chosen such that the amount of substance of the diisocyanates B is from 0.8 to 1.3 times the amount of substance of the reactive hydroxyl groups in A and thereafter in the second stage a polyvinylbutyral C dissolved in a solvent which is inert towards isocyanates is reacted with the adduct AB from the first step to form the product ABC until all of the isocyanate groups have undergone complete reaction, the number of hydroxyl groups in C being at least ten times the number of isocyanate groups in the reaction product AB.

Abstract: Two-component systems based on aqueous dispersions of hydrophilic epoxy adducts Ah having hydroxyl groups as reactive groups and unblocked difunctional or polyfunctional isocyanates B, said hydrophilic epoxy adducts Ah being selected from cationically stabilized hydrophilic epoxy adducts Ak, anionically stabilized hydrophilic epoxy adducts Aa and also nonionically stabilized epoxy adducts An and zwitterionically stabilized epoxy-amine adducts Aak.

Abstract: Radiation curable polyester composition AB, capable of forming solutions or dispersions in water of high solid content which can be produced by mixing or pre-condensing a water soluble, radiation-curable emulsifying resin A which contains ester and acid groups and has an acid number from 20 to 300 mg/g and water-insoluble, radiation-curable polymer B containing ester and/or ether groups, wherein resin A is a reaction product of an alkoxylated polyol A1 having at least 3 hydroxyl groups and 3 to 10 oxyalkylene units per molecule, these oxyalkylene units containing 2 to 4 carbon atoms each, with an &agr;, &bgr;-unsaturated carboxylic acid A2 having each a free carboxyl group per molecule, and a carboxylic acid A3 which is at least tri-functional and wherein polymer B is a reaction product of aliphatic, linear, branched or cyclic alcohols B1 with compounds B2, selected from alkylene oxides B21, dicarboxylic acids B22 and aliphatic lactones B23 having 4 to 12 carbon atoms as well as compounds B3 selected from &ag

Abstract: Aqueous binders for soft feel materials, comprising predominantly aliphatic, water-soluble or water-dispersible polymers A having terminal or lateral cyclic carbonate groups and an amine B having at least two primary amino groups, the ratio of the number of primary amino groups in the component B to the number of cyclic carbonate groups in the component A being from 7:3 to 3:7.

Abstract: Radiation-curable water-dilutable urethane resins obtainable by reacting cycloaliphatic and/or aromatic diisocyanates with a mixture of a (meth)acryloyl-containing dihydroxy compound in an amount such that the amount of reactive hydroxyl groups present therein is from 0.2 to 0.6 mol, and with a tri or tetrahydric polyol which has been partly esterified with (meth)acrylic acid and has a residual average hydroxyl functionality of from 1.0 to 1.4 in the molecule, in an amount such that the amount of the reactive hydroxyl groups is from 0.4 to 0.8 mol, the sum of the amounts of the reactive hydroxyl groups always being 1.0 mol, and from 40 to 60% of the isocyanate groups being converted into urethane groups, and reacting the resulting intermediate with an aliphatic saturated monocarboxylic acid having at least two hydroxyl groups in an amount such that the amount of the reactive hydroxyl groups is from 0.

Abstract: Water-dispersible curing agents for epoxy resins are disclosed which, as a mixture with epoxy resins, have a potlife indication by showing the end of the processing time by a clear increase in viscosity, and which comprise reaction products (ABC) of adducts of aliphatic polyols (A) with a weight-average molar mass of from 200 to 20, 000 g/mol, comprising at least one polyol (A1) having a molar mass of less than 4000 g/mol, and at least one polyol (A2) having a molar mass of more than 4000 g/mol, and at least one epoxide compound (B) having at least two epoxide groups per molecule, and a specific epoxide group content of from 500 to 10 000 mmol/kg, (A1) and (A2) being reacted separately or as a mixture with (B), and then reacting this adduct with one or more polyamines (C) having at least three amine hydrogen atoms and at least one primary amino group per molecule, the ratio of the number of hydroxyl groups of component (A) to the number of epoxide groups of component (B) being 1:3 to 1:10, and the ratio of th

Abstract: A process for the preparation of water-dilutable polyvinylbutyral dispersions by (1) reacting an aliphatic acid having from one to three isocyanate-reactive groups and from one to three acid groups, or a mixture of such acids, with one or more polyfunctional isocyanates whose average functionality is at least two, where the quantity of the isocyanate component is chosen such that the ratio of the number of isocyanate groups to the number of isocyanate-reactive groups of the acid component is between 2.2:1 and 1.7:1; (2) then reacting from 25 to 75% of the remaining isocyanate groups with at least one monofunctional compound selected from monoalcohols and monoamines; and (3) reacting this NCO-functional emulsifier resin further with polyvinylbutyral and, if desired, with an appropriate plasticizer resin using a suitable auxiliary solvent. The polyvinylbutyral dispersions prepared in this way can be used as binders and binder components for coatings with good adhesion.

Abstract: Process for the preparation of water-dilutable urethane resins and use of the so produced urethane resins, for example, as binders for coating materials which can be crosslinked by free-radical polymerization.