Abstract: Methods of increasing permeability in a carbonatic rock formation, the methods comprising: providing an alkanesulfonic acid; and introducing the alkanesulfonic acid into the carbonatic rock formation.

Abstract: A composition for the treatment of metal surfaces and for the deposition of metals or metal alloys on plastics surfaces contains a) at least one polymer as component A, composed of the structural element (1) and at least three structural elements selected from the group consisting of b) water or another solvent which is suitable for dissolving, dispersing, suspending or emulsifying the polymer, as component B; c) if required, surface-active compounds, dispersants, suspending media and/or emulsifiers as component C. In a process for the treatment of a metal surface and a process for the deposition of metals or metal alloys on a plastics surface, the metal or plastics surface is brought into contact with a polymer (component A). Furthermore, polymers (component A) are used for the treatment of metal surfaces and for the deposition of metals or metal alloys on a plastics surface, and polymers composed of special components A?a, A?b and A?c.

Abstract: Copolymers which comprise dicarboxylic acid units modified with —SR, —CSNR2 and/or —CN units, and also at least one further comonomer. Processes for preparing them by polymer-analogous reaction, and their use as corrosion inhibitors.

Abstract: A mixed powder or mixed granule containing at east 80% by weight of a mixture of (a) from 5 to 95% by weight of at least one glycine-N,N-diacetic acid derivative of the general formula (I) MOOC—CHR—N(CH2COOM)2??(I) where R is C1-12-alkyl M is alkali metal, (b) from 5 to 95% by weight of at least one polyethylene glycol or of at least one nonionic surfactant or of a mixture thereof or of a polymer selected from the group consisting of polyvinyl alcohols, polyvinylpyrrolidones (PVP), polyalkylene glycols and derivatives thereof, processes for producing these mixed powders or mixed granules, the use of these mixed powders or mixed granules, and a solid laundry detergent and a solid dishwasher detergent comprising the inventive mixed powder or mixed granule are described.

Abstract: A sulfonated aromatic polyether ketone of the formula (II) [Ar—O—Ar?—CO—Ar?—O—Ar—CO—Ar?—CO—] ??(II) in which from 1% to 100% of the O-phenylene-CO units are substituted with an SO3M group and sulfonated and unsulfonated O-phenylene-CO units can be in any desired sequence with respect to one another, the radicals Ar, Ar? and Ar? independently of one another are substituted or unsubstituted 1,2-, 1,3- or 1,4-phenylene rings, and M, taking into account the ionic valencies, comprises one or more elements selected from the following group: H, NR4+, where R is H or C1-C4-alkyl, or an alkali metal or alkaline earth metal or a metal from subgroup 8, and is preferably H, NR4+, Li, Na, K, Ca, Mg, Fe or Pt.

Abstract: Process for the passivation of metallic surfaces by treatment of the surface with an acidic, aqueous preparation which comprises at least one water-soluble acid group-containing polymer and Zn, Ca, Mg or Al ions, said process being in particular a continuous process for the passivation of strip metals.

Abstract: The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphonic acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface.

Abstract: Process for pickling metallic surfaces by treating the metallic surface with a composition which comprises water, at least one acid, an alkyne alkoxylate and optionally further additives. In a preferred embodiment, the alkyne alkoxylate is used together with a complexing agent.

Abstract: The invention relates to esters or ester salts of phosphorus-oxygen acids, these esters or ester salts comprising alkoxy groups, and to the use of compounds of this type as corrosion inhibitors, particularly in alkaline media, and as flameproofing agents.

Abstract: The present invention relates to quaternized polyamidoamines which have at least one structural unit of the formula VII in which R1, R2, R4 are straight-chain or branched organic radicals optionally containing heteroatoms; R5 is hydrogen or alkyl, R7 is hydrogen or alkyl or two radicals R7 together form a radical having a meaning given for R4, b is an integer from 0 to 50, and c is an integer from 1 to 50. The invention also relates to the preparation of the quaternary polyamidoamines, to compositions which comprise these compounds, and to the use thereof for cosmetic and pharmaceutical purposes, and in the fields of crop protection and textile dyeing. The present invention also relates to the use of quaternized polyamidoamines of the ionene type as biostatic or biocide and thus also biocidal compositions based on quaternized polyamidoamines.

Abstract: The present invention relates to a passivating layer on a metal surface, obtainable by contacting the metal surface with a composition comprising a water-soluble nitrogenous polymer, to a surface composed of a metal surface and the passivating layer of the invention, to a process for forming a passivating layer on a metal surface, to the use of a composition comprising a water-soluble nitrogenous polymer to passivate a metal surface, and to a system on a metal surface that comprises a passivating layer of the invention and further coating films.

Abstract: The present invention relates to polyisobutenephosphonic acids and their derivatives, to a process for preparing them and to their use.

Abstract: The present invention relates to phosphoric esters of polyisobutene-substituted aromatic hydroxyl compounds, to a process for preparing them and also to their use.

Abstract: Compounds of the formula X-Y-L-(W-Z)n, in which a hydrophobic moiety and a hydrophilic moiety are linked to one another, and where X is an endgroup which is able to develop strong chemical and/or physical interactions toward metal surfaces, Y is an aliphatic hydrocarbon group, L is a linking group, W is a hydrophilic group, and Z is a further endgroup; formulations comprising these compounds; and also to the use of the compounds to treat metal surfaces.

Abstract: Formulations for treating metal surfaces, especially for corrosion protection, at least comprising a polyisobutylene modified by terminal polar groups and also a solvent or solvent mixture. Process for treating metal surfaces by contacting them with said formulation, and coated metal surfaces.

Abstract: A composition for the surface treatment of metals and for the deposition of metals or metal alloys and plastics surfaces comprises a) at least one polymer as component A, comprising at least one structural unit of the formula (I) ?where this structural unit may be part of a polymer main chain or may be bound to a polymer main chain via an anchor group, and ?M is hydrogen or an ammonium or metal cation; b) water or another solvent which is suitable for dissolving, dispersing, suspending or emulsifying the polymer (component A), as component B; c) if required, surface-active compounds, dispersants, suspending media and/or emulsifiers as component C; ?either d) if required, a salt, an acid or a base based on transition metal cations, transition metal oxoanions, fluorometallates or lanthanoids as component D, and/or e) at least one acid selected from the group consisting of phosphoric acid, sulfuric acid, sulfonic acid, nitric acid, hydrofluoric acid and hydrochloric acid as component E, or a base and/or f) a

Abstract: The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphonic acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface.

Abstract: The invention relates to a composition for the treatment of metal surfaces and to the deposition of metals or metal alloys on plastics surfaces, comprising a) at least one polymer as component A, composed of an amino-containing polymer (component Aa), at least one aromatic compound (component Ab), and, where appropriate, an aldehyde (component Ac); b) water or another solvent suitable for dissolving, dispersing, suspending or emulsifying the polymer, as component B; c) if desired, surface-active compounds, dispersants, suspension media and/or emulsifiers as component C. The invention further relates to a process for the treatment of a metal surface and also to a process for the deposition of metals or metal alloys on a-plastics surface in which the metal or plastics surface is contacted with a polymer (component A).

Abstract: A sulfonated aromatic polyether ketone of the formula (II) [Ar—O—Ar?—CO—Ar?—O—Ar—CO—Ar?—CO—]??(II) in which from 1% to 100% of the O-phenylene-CO units are substituted with an SO3M group and sulfonated and unsulfonated O-phenylene-CO units can be in any desired sequence with respect to one another, the radicals Ar, Ar? and Ar? independently of one another are substituted or unsubstituted 1,2-, 1,3- or 1,4-phenylene rings, and M, taking into account the ionic valencies, comprises one or more elements selected from the following group: H, NR4+, where R is H or C1-C4-alkyl, or an alkali metal or alkaline earth metal or a metal from subgroup 8, and is preferably H, NR4+, Li, Na, K, Ca, Mg, Fe or Pt.

Abstract: A composition for the treatment of metal surfaces and for the deposition of metals or metal alloys on plastics surfaces contains a) at least one polymer as component A, composed of the structural element (1) and at least three structural elements selected from the group consisting of b) water or another solvent which is suitable for dissolving, dispersing, suspending or emulsifying the polymer, as component B; c) if required, surface-active compounds, dispersants, suspending media and/or emulsifiers as component C. In a process for the treatment of a metal surface and a process for the deposition of metals or metal alloys on a plastics surface, the metal or plastics surface is brought into contact with a polymer (component A). Furthermore, polymers (component A) are used for the treatment of metal surfaces and for the deposition of metals or metal alloys on a plastics surface, and polymers composed of special components A?a, A?b and A?c.