Ciba Specialty Chemicals Corporation

Basf Se Corporation

Ciba Corporation

Basf Se Ludwigshafen

Igm Group B.v.

Andreas Mühlebach

Clemens Auschra

Ernst Eckstein

Peter Nesvadba

Andreas Kramer

Marie-Odile Zink

François Rime

Patrice Bujard

Paul Van Der Schaaf

Thomas Giesenberg

Laurent Michau

Pascal Hayoz

Paul Dubs

Hugo Camenzind

Tobias Hintermann

Gabriele Baisch

Reinhold Öhrlein

Tunja Jung

Ted Deisenroth

John Jennings

Ralf Knischka

Dietmar Hüglin

Margherita Fontana

Nikolay A Grigorenko

Stephan Ilg

Roger Martin

Wolfgang Peter

Jianwen Mao

Didier Bauer

Martin Müller

Karin Powell

Carmen Hendricks-Guy

Peter Hänggi

Sevgi Zeren

Xinyu Huang

Werner Hölzl

Andrea Preuss

Jens Möller

Erich Nyfeler

The present invention discloses functionalized nanoparticles comprising on the surface a covalently bound radical of the formula (I) wherein the nanoparticles are SiO, AlOor mixed SiOand AlOnanoparticles, and wherein the general symbols are as defined in claim. These functionalized nanoparticles are for example useful as stabilizers and/or compatibilizers in organic materials, or as photoinitiators in pre-polymeric or pre-crosslinking formulations, or as reinforcer of coatings and improver of scratch resistance in coating compositions for surfaces. 

Functionalized nanoparticles

The present invention provides a process for imparting decreased adhesion of biological material to the surface of a substrate comprises the following steps (i) oxidizing the surface of the substrate (ii) applying a composition comprising one or more ethylenically unsaturated compounds to the oxidized surface of the substrate and (iii) curing the composition in order to form a coating layer.

Substrates with biopassive coating

The present invention provides a process for coating the surface of a substrate comprises the following steps (i) oxidizing the surface of the substrate (ii) applying a composition comprising one or more quaternary ammonium compounds carrying one or more ethylenically unsaturated groups onto the oxidized surface of the substrate and (iii) curing the composition in order to form a coating layer, and substrates obtainable by the latter process.

Substrates with biocidal coating

The present invention discloses the use of functionalized particles as electrophoretic displaying particles, wherein the functionalized particles are SiO, AlOor mixed SiOand AlOparticles comprising, covalently bound to an oxygen atom on the surface, a radical of formula (1), wherein Rand Rare independently of each other hydrogen, particle surface-O&#x2014;, or a substituent, n is 1, 2, 3, 4, 5, 6, 7 or 8, B is the direct bond or a bridge member, and D is the residue of an organic chromophore. 

Coloured particles for electrophoretic displays

The present invention is directed to cationic nanoparticles, methods to make them, and the use of compositions containing said nanoparticles in personal care compositions or formulations. The nanoparticles are useful in personal care applications and impart antimicrobial properties to home and personal care products containing them. These cationic nanoparticles also contribute useful conditioning properties to hair-care and skin-care products.

Preparation of cationic nanoparticles and personal care compositions comprising said nanoparticles

The present invention relates to a process for the production of porous inorganic materials or a matrix material containing nanoparticles with high uniformity of thickness and/or high effective surface area and to the materials obtainable by this process. By the above-mentioned process materials with a defined thickness in the region of &#xb1;10%, preferably &#xb1;5% of the average thickness are available.

Porous inorganic materials of silcon and oxygen

Cationic 2,2,6,6-tetraalkylpiperidinyl alkoxyamines of, for example, formula (1a) and (1b) are useful as polymerization initiators/regulators in a controlled stable free radical polymerization process to produce intercalated and/or exfoliated nanoparticles from natural or synthetic clays. Compositions comprising improved nanocomposites produced by this process are useful as, for example, coatings, sealants, caulks, adhesives and plastic additives wherein

Cationic substituted 2,2,6,6-tetraalkylpiperidinyl alkoxyamines

The present invention relates to coating compositions containing a polymeric or copolymeric levelling agent, which has been prepared by nitroxyl-mediated polymerisation. Further aspects are a process for the preparation of smooth surface coatings and the use of said polymer or copolymer as levelling agent in coating compositions. Yet another aspect are specific ethylenically unsaturated monomer compositions from which copolymers can be obtained by atom transfer radical polymerisation or nitroxyl mediated polymerisation, which copolymers are useful as levelling agents in coating compositions. Still another aspect is the use of poly-tert.-butyl acrylate or poly-tert.butylmethacrylate as a levelling agent in powder coating compositions.

Coating compositions containing levelling agents prepared by nitroxyl mediated polymerisation

The present invention relates to a composition containing modified block copolymer dispersants and dispersible inorganic or organic pigments. The block copolymers are prepared by atom transfer radical polymerisation (ATRP) and modified with a salt forming group. The pigment composition is useful for preparing coating compositions, prints, images, inks or lacquers and other disperse systems.

Pigment compositions with modified ATRP copolymer dispersants

The present invention relates to a block copolymer prepared by ATRP, wherein the polymer chain terminal group is structurally modified with the functionally effective group of a lubricant or polymer additive selected from the group consisting of antioxidants, metal deactivators, antiwear and extreme pressure additives and corrosion inhibitors. The invention also relates to a composition comprising the structurally modified block copolymer and a composition of matter subject to oxidative, thermal or light induced degradation, such as lubricants or polymers.

Polymers produced by atom transfer radical polymerisation technique with structurally modified terminal groups

The instant invention relates to cationic alkoxyamines, which are useful as polymerization initiators/regulators in a controlled stable free radical polymerization process to produce intercalated and/or exfoliated nanoparticles from natural or synthetic clays. The invention also relates to improved nanocomposites produced by this process and to the use of these nanocomposite compositions as, for example, coatings, sealants, caulks, adhesives and as plastic additives.

Cationic alkoxyamines and their use in producing nano particles from natural or synthetic clays

The present invention relates to a process for the production of porous inorganic materials or a matrix material containing nanoparticles with high uniformity of thickness and/or high effective surface area and to the materials obtainable by this process. By the abovementioned process materials with a defined thickness in the region of &#xb1;10%, preferably &#xb1;5%, of the average thickness are available.

Process for the production of porous inorganic materials or a matrix material containing nanoparticles

The present invention relates to a composition containing ATRP polymers and dispersible inorganic or organic pigment particles. The pigment composition is useful for preparing coating compositions, prints, images, inks or lacquers and other disperse systems.

Pigment composition containing ATRP polymers

The invention relates to &#x3b1;-halocarboxylic acid esters of polyhydric, at least trihydric, alcohols, which can be used as initiators for ATRP. Using those initiators it is possible to prepare block copolymers having branched structures.

&#x3b1;-Halogenated acid esters with polyvalent alcohols as atom transfer radical polymerization initiators

The invention relates to comb polymers and macromonomers based on acrylates prepared by the ATRP (Atom Transfer Radical Polymerization) method. These polymers have an improved capability of dispersing pigments in the given solvent. The invention also relates to compositions comprising the comb polymers and macromonomers dispersible inorganic or organic pigment particles. The compositions are used by applying them to any suitable substrate, for example to metal, wood plastic or ceramic materials.

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Frick, Switzerland

Andreas Mühlebach