Clariant Finance (bvi) Limited

Clariant Produkte (deutschland) Gmbh

Weylchem Switzerland Ag

Barbara Duecker

Michael Wessling

Roman Morschhaeuser

Nicole Nitschke

Georg Borchers

Frank-Peter Lang

Peter Naumann

Johannes Himmrich

Ute Back

Melanie Sajitz

Hans Juergen Scholz

Joachim Erbes

Stefan Riegelbeck

Roman Morchhaeuser

The invention relates to an aqueous polyester concentrate having a proportion by weight of polyesters of 12 to 60%, wherein the polyesters are obtainable by means of polymerization of the components selected from a) one or more sulfo group-free aromatic dicarboxylic acids and/or salts thereof and/or anhydrides thereof and/or esters thereof, b) optionally one or more sulfo group-containing dicarboxylic acids, salts thereof and/or anhydrides thereof and/or esters thereof, c) 1,2-propylene glycol, d) ethylene glycol, e) one or more compounds of the formula (1) RO(CHRCHRO)H (), where Ris a linear or branched, saturated or unsaturated alkyl group having from 1 to 22 C atoms, Rand R, independently of one another, are hydrogen or an alkyl group having from 1 to 4 carbon atoms, and n is an integer of from 1 to 50, f) optionally one or more compounds of the formula (2) H&#x2014;(OCHCH)&#x2014;SOX (2), where m is an integer of from 1 to 10 and X is hydrogen or an alkali metal ion, and g) optionally one or more cross-linking polyfunctional compounds, provided that at least one of the components b) or f) is present, and provided further that the molar ratio of the components c) 1,2-propylene glycol to d) ethylene glycol is greater than or equal to 1.60.

Polyester concentrates having high stability in solution and having a greying-inhibiting effect

The invention relates to polyesters, obtainable by means of polymerization of the components including (a) one or more sulfo group-free aromatic dicarboxylic acids and/or salts thereof and/or anhydrides thereof and/or esters thereof, b) optionally one or more sulfo group-containing dicarboxylic acids, salts thereof and/or anhydrides thereof and/or esters thereof, c) 1,2-propylene glycol, d) ethylene glycol, e) one or more compounds of the formula (1) RO(CHRCHRO)H (1), where Ris a linear or branched, saturated or unsaturated alkyl group having from 1 to 22 C atoms, Rand R, independently of one another, are hydrogen or an alkyl group having from 1 to 4 carbon atoms, and N is an integer of from 1 to 50, f) optionally one or more compounds of the formula (2) H&#x2014;(OCHCH)&#x2014;SOX (2), in which m is an integer from 1 to 10 and X is hydrogen or an alkali metal ion, and g); optionally one or more crosslinking polyfunctional compounds, provided that at least one of the components b) or f) is present, and provided further that the molar ratio of the components c) 1,2-propylene glycol to d) ethylene glycol is greater than or equal to 1.70.

Soil-release polymers having a grey-inhibiting effect and having high stability in solution

The invention relates to a method for producing 3,7-diaza-bicyclo[3.3.1]nonane metal complexes, wherein the ligand, a 3,7-diaza-bicyclo[3.3.1]nonane compound, is reacted with an aqueous metal(II)salt solution in one step. According to the invention, the reaction stage is carried out with water as solvent.

Method for producing 3,7-diaza-bicyclo[3.3.1]nonane metal complexes

The present invention relates to a process for the preparation of 3,7-diazabicyclo[3.3.1]nonane compounds. According to the invention, in a first step, a dicarboxylic acid ester is reacted with a pyridine aldehyde and a primary amine. The piperidone which forms is reacted in a second stage with formaldehyde and a further primary amine. It is essential to the invention that, in the first reaction stage, a C2-C4-alcohol is used as solvent and, in the second reaction stage, a C3-C4-alcohol is used as solvent.

Process for the preparation of 3.7-diazabicyclo[3.3.1] nonane compounds

The invention relates to a method for producing the compositions cited in the title. According to this method: dipyridyl ketone is reacted with hydroxylamine; the oxime obtained thereby is reduced without intermediate isolation to form 1,1-di-(2-pyridyl)-methylamine, and; this amine is firstly reacted with 1 to 1.5 molar equivalent of picolyl chloride and then with another 1 to 1.5 molar equivalent of picolyl chloride to form the amine of formula (1). This amine is purified via the tetrafluoroborate salt and subsequently alkylated with an alkyl iodide. This method represents an improvement with regard to prior art methods for producing these compounds.

Method for producing N,N-bis(pyridin-2ylmethyl)-1,1-bis(pyridin-2-yl)-1-aminoalkane compounds and metal complex salts containing these compounds

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Mainz, Germany

Barbara Duecker