Commissariat a L'energie Atomique

Alchimedics

Alchimer

Alchimer S.a.

Université Paris 7—denis Diderot

Other

Tronic's Microsystems

Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Institut National De La Sante Et De La Recherche Medicale

Stevanato Group International A.s.

Kerckhoff-klinik Gmbh

Christophe Bureau

Sylvain Maitrejean

Jean Pinson

Guy Deniau

Serge Palacin

Sami Ameur

Bernadette Charleux

Pascal Viel

Maud Save

Christophe Kergueris

José Gonzalez

Tarik Matrab

Jean-Philippe Bourgoin

Paul-Henri Haumesser

Julienne Charlier

Eva Cabet-Deliry

Christian Perruchot

Christopher Tronche

Mohamed Mehdi Chehimi

Jose Gonzalez

Alain Le Moel

Brigitte Mouanda

François Perruchot

Werner Haberbosch

Charles Baquey

G&eacute;rard Deleris

Natacha Betz

Ferial Haroun

Elodie Henault

Thierry Mourier

Edouard Levy

Férial Haroun

Gerard Deleris

The invention relates to a method for grafting an organic film onto an electically conductive or semiconductive surface by electro-reduction of a solution, wherein the solution comprises one diazonium salt and one monomer bearing at least one chain polymerizable functional group. During the electrolyzing process, at least one protocols consisting of an electrical polarization of the surface by applying a variable potential over at least a range of values which are more cathodic that the reduction or peak potential of all diazonium salts in said solution is applied. The invention also relates to an electrically conducting or semiconducting surface obtained by implementing this method. The invention further relates to electrolytic compositions.

Formation of organic electro-grafted films on the surface of electrically conductive or semi-conductive surfaces

The invention relates to a method for grafting an organic film onto an electically conductive or semiconductive surface by electro-reduction of a solution, wherein the solution comprises one diazonium salt and one monomer bearing at least one chain polymerizable functional group. During the electrolyzing process, at least one protocole consisting of an electrical polarization of the surface by applying a variable potential over at least a range of values which are more cathodic that the reduction or peak potential of all diazonium salts in said solution is applied. The invention also relates to an electrically conducting or semiconducting surface obtained by implementing this method. The invention further relates to electrolytic compositions.

The present invention provides a drug eluting stent including a metallic stent framework, an electro-grafted primer coating disposed on the stent framework; and a biodegradable polymer coating hosting a drug disposed on the electro-grafted primer coating and a method of manufacturing said biodegradable drug eluting stent.

Drug eluting stent with a biodegradable release layer attached with an electro-grafted primer coating

The invention relates to a method for grafting an organic film onto an electrically conductive or semiconductive surface by electro-reduction of a solution, wherein the solution comprises one diazonium salt and one monomer bearing at least one chain polymerizable functional group. During the electrolyzing process, at least one protocols consisting of an electrical polarization of the surface by applying a variable potential over at least a range of values which are more cathodic that the reduction or peak potential of all diazonium salts in said solution is applied. The invention also relates to an electrically conducting or semiconducting surface obtained by implementing this method. The invention further relates to electrolytic compositions.

The invention relates to a method for forming a polymer film on a surface that conducts or semiconducts electricity by means of electrografting. Said method uses an electrolytic solution containing a selected quantity of Bronsted acid. This invention also relates to the electrically conductive or semiconductive surfaces obtained by means of said method.

Method for forming a polymer film on a surface that conducts or semiconducts electricity by means of electrografting, surfaces obtained, and applications thereof

The invention relates to a method for grafting an organic film onto an electrically conductive or semiconductive surface by electro-reduction of a solution, wherein the solution comprises one diazonium salt and one monomer bearing at least one chain polymerizable functional group. During the electrolyzing process, at least one protocol consisting of an electrical polarization of the surface by applying a variable potential over at least a range of values which are more cathodic that the reduction or peak potential of all diazonium salts in said solution is applied. The invention also relates to an electrically conducting or semiconducting surface obtained by implementing this method. The invention further relates to electrolytic compositions.

A process for mask-free localized grafting of organic molecules capable of being electrically activated, onto a composite surface comprising conductive and/or semiconductive portions, by placing said organic molecules in contact with said composite surface, in which said grafting is performed electrochemically in a single step on chosen, defined areas of said conductive and/or semiconductive portions, said areas being brought to a potential higher than or equal to a threshold electrical potential determined relative to a reference electrode, said threshold electrical potential being the potential above which grafting of said organic molecules takes place.

Method for mask-free localized organic grafting on conductive or semiconductive portions of composite surfaces

The use of at least one diazonium salt bearing an initiator function, for forming an undercoat obtained by grafting a graft derived from the diazonium salt and bearing an initiator function at the surface of a conductive or semiconductive material on the undercoat, and for forming on the undercoat a polymeric layer obtained by polymerization, in particular free radical polymerization, in situ of at least one monomer, initiated from the initiator function.

Modified surface material, method for preparing same and uses thereof

The present invention relates to a process for selectively coating certain areas of a composite surface with a conductive film, to a process for fabricating interconnects in microelectronics, and to processes and methods for fabricating integrated circuits, and more particularly to the formation of networks of metal interconnects, and also to processes and methods for fabricating microsystems and connectors.

Method of selective coating of a composite surface production of microelectronic interconnections using said method and integrated circuits

The invention relates to the deposition or attachment of materials to surfaces. It relates to a process for coating a surface with a first material and a second material, comprising the following steps: The object of the process of the invention is to allow the deposition of materials of any type onto surfaces of any type.

Surface-coating method

The present invention relates to the use of a R&#x2014;Ndiazonium salt carrying an aromatic group R, for grafting of the aromatic group onto insulating, semiconductor, binary or ternary compound or composite material surfaces, the diazonium salt being present at a concentration close to its solubility limit, notably at a concentration higher than 0.05 M, and preferably varying between approximately 0.5 M to approximately 4 M.

Method for modifying insulating or semi-conductive surfaces, and resulting products

The present invention concerns the use of RO. radicals, R being a hydrogen, an alkyl group having 2 to 15 carbons, an acyl group &#x2014;COR' in which R&#x2032; represents an alkyl group having 2 to 15 carbons, or an aroyl group &#x2014;COAr in which Ar represents an aromatic group having 6 to 15 carbons, for the hydroxylation, alkoxylation or oxycarbonylation of polymer surfaces, the said polymers being different from polymers chosen from: polymethylmethacrylate (PMMA) and fluorocarbon polymers when R represents a hydrogen, or of polymer mixture surfaces, notably hydrophobic ones, the said polymers consisting in monomeric units of which at least 50% among these are aliphatic units, and the said RO. radicals being generated by electrochemical or photochemical means.

Modification process for polymer surfaces, notably for hydroxylation of polymer surfaces and products so obtained

Described is the use of ROradicals, R being a hydrogen, an alkyl group having 2 to 15 carbons, an acyl group &#x2014;COR' in which R&#x2032; represents an alkyl group having 2 to 15 carbons, or an aroyl group &#x2014;COAr in which Ar represents an aromatic group having 6 to 15 carbons, for the hydroxylation, alkoxylation or oxycarbonylation of polymer or polymer mixture surfaces, the said polymers consisting in monomeric units of which at least 50% among these are aromatic units and the said ROradicals being generated by electrochemical or photochemical methods.

The present invention relates to a process for grafting and growing a conductive organic film on(to) an electrically conductive or semiconductive surface in which the grafting and growing of the film are performed simultaneously by electro-reduction of a diazonium salt that is a precursor of the said film on(to) the said surface cathodically polarized at a potential greater than or equal, in absolute value, to the electro-reduction potential of the diazonium salt relative to a reference electrode. The invention finds an application especially in the protection of surfaces, the manufacture of localized conductive coatings, of chemical sensors in the fields of chemistry and molecular biology, the manufacture of biomedical equipment, etc.

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Suresnes, France

Christophe Bureau