Patents by Inventor Samuele Tosatti
Samuele Tosatti has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11945898Abstract: A functional polymer including at least two different types of side chains, having the general formula (1), wherein A is an at least monosubstituted alkylene or arylene group; B is an amide, ester or ether group and n is 0 or 1; F is selected from: an ester, secondary amine, amide, ether, thio ether, thio ester, and may be the same or different for the different side chains; D is a side chain intended to reversible bind to a substrate or has a coating function; E is a side chain intended to irreversible bind to a substrate, the side chain E and polymer includes 1 to 10 different side chains D and 1 to 10 different side chains E, but at least one of each, and includes a plurality of each type, whereby the different types of side chains are randomly or regularly distributed in the polymer.Type: GrantFiled: November 27, 2020Date of Patent: April 2, 2024Assignee: SUSOS AGInventors: Angela Serrano, Stefan Zuercher, Samuele Tosatti
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Patent number: 11623026Abstract: A lubricating coating including at least one polymer A, a cross-linker and at least one lubricating agent, and wherein a portion of the at least two reactive groups of the cross-linker are covalently linked to the polymer A to form a three-dimensional network in which the lubricant is incorporated, and wherein at the same time another portion of the reactive groups of the cross-linker are covalently linked to the surface of the device or to the optional adhesion layer on the surface of the device.Type: GrantFiled: May 30, 2017Date of Patent: April 11, 2023Assignee: SUSOS AGInventors: Samuele Tosatti, Olof Sterner, Stefan Zuercher, Christian Mathis
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Publication number: 20210087309Abstract: A functional polymer including at least two different types of side chains, having the general formula (1), wherein A is an at least monosubstituted alkylene or arylene group; B is an amide, ester or ether group and n is 0 or 1; F is selected from: an ester, secondary amine, amide, ether, thio ether, thio ester, and may be the same or different for the different side chains; D is a side chain intended to reversible bind to a substrate or has a coating function; E is a side chain intended to irreversible bind to a substrate, the side chain E and polymer includes 1 to 10 different side chains D and 1 to 10 different side chains E, but at least one of each, and includes a plurality of each type, whereby the different types of side chains are randomly or regularly distributed in the polymer.Type: ApplicationFiled: November 27, 2020Publication date: March 25, 2021Applicant: SUSOS AGInventors: Angela SERRANO, Stefan ZUERCHER, Samuele TOSATTI
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Patent number: 10882931Abstract: A functional polymer including at least two different types of side chains, having the general formula (1), wherein A is an at least monosubstituted alkylene or arylene group; B is an amide, ester or ether group and n is 0 or 1; F is selected from: an ester, secondary amine, amide, ether, thio ether, thio ester, and may be the same or different for the different side chains; D is a side chain intended to reversible bind to a substrate or has a coating function; E is a side chain intended to irreversible bind to a substrate, the side chain E and polymer includes 1 to 10 different side chains D and 1 to 10 different side chains E, but at least one of each, and includes a plurality of each type, whereby the different types of side chains are randomly or regularly distributed in the polymer.Type: GrantFiled: September 11, 2014Date of Patent: January 5, 2021Assignee: SUSOS AGInventors: Angela Serrano, Stefan Zuercher, Samuele Tosatti
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Publication number: 20200086008Abstract: A lubricating coating including at least one polymer A, a cross-linker and at least one lubricating agent, and wherein a portion of the at least two reactive groups of the cross-linker are covalently linked to the polymer A to form a three-dimensional network in which the lubricant is incorporated, and wherein at the same time another portion of the reactive groups of the cross-linker are covalently linked to the surface of the device or to the optional adhesion layer on the surface of the device.Type: ApplicationFiled: May 30, 2017Publication date: March 19, 2020Applicant: SUSOS AGInventors: Samuele TOSATTI, Olof STERNER, Stefan ZUERCHER, Christian MATHIS
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Publication number: 20170291971Abstract: A functional polymer including at least two different types of side chains, having the general formula (1), wherein A is an at least monosubstituted alkylene or arylene group; B is an amide, ester or ether group and n is 0 or 1; F is selected from: an ester, secondary amine, amide, ether, thio ether, thio ester, and may be the same or different for the different side chains; D is a side chain intended to reversible bind to a substrate or has a coating function; E is a side chain intended to irreversible bind to a substrate, the side chain E and polymer includes 1 to 10 different side chains D and 1 to 10 different side chains E, but at least one of each, and includes a plurality of each type, whereby the different types of side chains are randomly or regularly distributed in the polymer.Type: ApplicationFiled: September 11, 2014Publication date: October 12, 2017Applicant: SUSOS AGInventors: Angela SERRANO, Stefan ZUERCHER, Samuele TOSATTI
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Patent number: 8951630Abstract: The invention relates to a novel ultra-thin hydrophobic and oleophobic layer, formed by self-assembly on a solid substrate surface, of compounds of the general formula A-B in which A represents a group of the formula in which Z represents C or N+, X represents C—H or C-L, L being an electron-attracting group selected from F, Cl, Br, I, CF3, NO2 and N(CH3)3+, Y represents H or CH3, or Y forms a 5- or 6-atom heterocycle with X, T represents NH, CO, CONH or NH2+U?, U? being a soluble anion, and B represents an unsubstituted C1-C20 linear aliphatic alkyl group, or a C1-C20 linear aliphatic alkyl group partially or completely substituted with F, and a method of preparing this layer and its use as an epilame or barrier film.Type: GrantFiled: December 12, 2011Date of Patent: February 10, 2015Assignees: Rolex S.A., Susos, AGInventors: Samuele Tosatti, Stefan Zürcher
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Patent number: 8568872Abstract: Described are compounds that are capable of forming adlayers, the compounds comprising at least one headgroup A, an optional linker B, a polymer C, a terminal group D and an optional crosslinking group R, wherein the headgroup A is a compound of the following formula wherein X is independently selected from an acidic group, Y is a group derived from a convenient coupling group, Z1, Z3, and Z4 are C or N+ Z2, Z5 and Z6 are C-L1 or N+-L, wherein L1 is H or an electron withdrawing group, L is C1-C6 alkyl, in particular C1-C4 alkyl L2 and L3 are independently selected from H or C1-C6 alkyl, or L2 may form together with L1 or L of Z6 a heterocycle, in particular a positively charged heterocycle, n is 0, or 1, or 2, or 3, m is 0 or 1.Type: GrantFiled: August 24, 2005Date of Patent: October 29, 2013Assignee: Eth ZurichInventors: Marcus Textor, Stefan Zürcher, Karl Gademann, Samuele Tosatti
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Publication number: 20120088099Abstract: The invention relates to a novel ultra-thin hydrophobic and oleophobic layer, formed by self-assembly on a solid substrate surface, of compounds of the general formula A-B in which A represents a group of the formula in which Z represents C or N+, X represents C—H or C-L, L being an electron-attracting group selected from F, Cl, Br, I, CF3, NO2 and N(CH3)3+, Y represents H or CH3, or Y forms a 5- or 6-atom heterocycle with X, T represents NH, CO, CONH or NH2+U?, U? being a soluble anion, and B represents an unsubstituted C1-C20 linear aliphatic alkyl group, or a C1-C20 linear aliphatic alkyl group partially or completely substituted with F, and a method of preparing this layer and its use as an epilame or barrier film.Type: ApplicationFiled: December 12, 2011Publication date: April 12, 2012Applicants: SUSOS AG, ROLEX S.A.Inventors: Samuele Tosatti, Stefan Zürcher
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Patent number: 8034395Abstract: The invention relates to a method for precipitating mono or multiple layers of a mixture of organophosphoric acids of the general formula I (A) Y—B—OPO3H2 ??(IA) or of organophosphonic acids of the general formula I (B) Y—B—PO3H2 ??(IB) and the salts thereof, wherein Y and B are defined in the specification. According to the invention, precipitation occurs on substrate surfaces of pure or mixed oxides, nitrides or carbides of metals and semiconductors, in particular as surfaces of sensor platforms, implants and medical accessory devices. The invention also relates to the use thereof as part of coated sensor platforms, implants and medical accessory devices.Type: GrantFiled: May 12, 2010Date of Patent: October 11, 2011Assignee: Bayer Technology Services GmbHInventors: Rolf Hofer, Michael Pawlak, Marcus Textor, Eveline Schürmann-Mader, Markus Ehrat, Samuele Tosatti
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Publication number: 20100280601Abstract: The invention relates to a method for precipitating mono or multiple layers of a mixture of organophosphoric acids of the general formula I (A) Y—B—OPO3H2 ??(IA) or of organophosphonic acids of the general formula I (B) Y—B—PO3H2 ??(IB) and the salts thereof, wherein Y and B are defined in the specification. According to the invention, precipitation occurs on substrate surfaces of pure or mixed oxides, nitrides or carbides of metals and semiconductors, in particular as surfaces of sensor platforms, implants and medical accessory devices. The invention also relates to the use thereof as part of coated sensor platforms, implants and medical accessory devices.Type: ApplicationFiled: May 12, 2010Publication date: November 4, 2010Inventors: Rolf Hofer, Michael Pawlak, Marcus Textor, Eveline Schürmann-Mader, Markus Ehrat, Samuele Tosatti
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Patent number: 7740896Abstract: The invention relates to a method for precipitating mono or multiple layers of organophosphoric acids of the general formula I (A) Y—B—OPO3H2??(IA) or of organophosphonic acids of the general formula I (B) Y—B—PO3H2??(IB) and the salts thereof, wherein B is an alkyl, alkenyl, alkinyl, aryl, aralkyl, hetaryl or hetarylalkyl residue and Y is hydrogen or a functional group from the hydroxy, carboxy, amino, optionally low-alkyl-substituted mono or dialkylamino series, thiol, or a negative acid group from the ester, phosphate, phosphonate, sulfate, sulfonate, maleimide, succinimydyl, epoxy, acrylate series, wherein a biological, biochemical or synthetic indicator element may be coupled to B or Y by addition or substitution reaction, wherein compounds may also be added conferring the substrate surface a resistance to protein adsorption and/or to cell adhesion and in the B chain may optionally be comprised one or more ethylene oxide groups, rather than one or more —CH2— groups.Type: GrantFiled: September 8, 2008Date of Patent: June 22, 2010Assignee: Bayer Technology Services GmbHInventors: Rolf Hofer, Michael Pawlak, Marcus Textor, Eveline Schürmann-Mader, Markus Ehrat, Samuele Tosatti
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Publication number: 20100098926Abstract: The invention relates to a novel ultra-thin hydrophobic and oleophobic layer, formed by self-assembly on a solid substrate surface, of compounds of the general formula A-B in which A represents a group of the formula in which Z represents C or N+, X represents C—H or C-L, L being an electron-attracting group selected from F, CF3, NO2 and N(CH3)3+, Y represents H or CH5, or Y forms a 5- or 6-atom heterocycle with X, T represents NH, CO, CONH or NH2+U?, U? being a soluble anion, and B represents a C1-C20 linear aliphatic alkyl group partially or completely substituted with F, and a method of preparing this layer and its use as a harrier film.Type: ApplicationFiled: November 29, 2007Publication date: April 22, 2010Applicant: SuSos AGInventors: Samuele Tosatti, Stefan Zurcher
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Publication number: 20100075138Abstract: The invention relates to a novel ultra-thin hydrophobic and oleophobic layer, formed by self-assembly on a solid substrate surface, of compounds of the general formula A-B in which A represents a group of the formula in which Z represents C or N+, X represents C—H or C-L, L being an electron-attracting group selected from F, Cl, Br, I, CF3, NO2 and N(CH3)3+, Y represents H or CH3, or Y forms a 5- or 6-atom heterocycle with X, T represents NH, CO, CONH or NH2?U?, U? being a soluble anion such as e.g. F?, Cl?, Br?, I, OH?, NO3?, HSO4?, SO42?, CO32?, HCO3? or SCN?, and B represents an unsubstituted C1-C20 linear aliphatic alkyl group, and a method of preparing this layer and its use as an epilame.Type: ApplicationFiled: November 29, 2007Publication date: March 25, 2010Applicant: ROLEX S.A.Inventors: Samuele Tosatti, Stefan Zurcher
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Publication number: 20100068553Abstract: The invention relates to a novel ultra-thin hydrophobic and oleophobic layer, formed by self-assembly on a solid substrate surface, of compounds of the general formula A-B in which A represents a group of the formula in which Z represents C or N+, X represents C—H or C-L, L being an electron-attracting group selected from F, Cl, Br, I, CF3, NO2 and N(CH3)3+, Y represents H or CH3, or Y forms a 5- or 6-atom heterocycle with X, T represents NH, CO, CONH or NH2+U?, U? being a soluble anion such as e.g. F?, Cl?, Br?, I, OH?, NO3?, HSO4?, SO42?, CO32?, HCO3? or SCN?, and B represents a C1-C20 linear aliphatic alkyl group partially or completely substituted with F, and a method of preparing this layer and its use as an epilame.Type: ApplicationFiled: November 29, 2007Publication date: March 18, 2010Applicant: ROLEX S.A.Inventors: Samuele Tosatti, Stefan Zurcher
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Patent number: 7517546Abstract: The invention relates to a method for precipitating mono or multiple layers of organophosphoric acids of the general formula I (A) Y—B—OPO3H2??(IA) or of organophosphonic acids of the general formula I (B) Y—B—PO3H2??(IB) and the salts thereof, wherein B is an alkyl, alkenyl, alkinyl, aryl, aralkyl, hetaryl or hetarylalkyl residue and Y is hydrogen or a functional group from the hydroxy, carboxy, amino, optionally low-alkyl-substituted mono or dialkylamino series, thiol, or a negative acid group from the ester, phosphate, phosphonate, sulfate, sulfonate, maleimide, succinimydyl, epoxy, acrylate series, wherein a biological, biochemical or synthetic indicator element may be coupled to B or Y by addition or substitution reaction, wherein compounds may also be added conferring the substrate surface a resistance to protein adsorption and/or to cell adhesion and in the B chain may optionally be comprised one or more ethylene oxide groups, rather than one or more —CH2- groups.Type: GrantFiled: August 31, 2001Date of Patent: April 14, 2009Assignee: Bayer Technology Services GmbHInventors: Rolf Hofer, Michael Pawlak, Marcus Textor, Eveline Schürmann-Mader, Markus Ehrat, Samuele Tosatti
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Publication number: 20090093610Abstract: Described are compounds that are capable of forming adlayers, the compounds comprising at least one headgroup A, an optional linker B, a polymer C, a terminal group D and an optional crosslinking group R, wherein the headgroup A is a compound of the following formula wherein X is independently selected from an acidic group, Y is a group derived from a convenient coupling group, Z1, Z3, and Z4 are C or N+ Z2, Z5 and Z6 are C-L1 or N+-L, wherein L1 is H or an electron withdrawing group, L is C1-C6 alkyl, in particular C1-C4 alkyl L2 and L3 are independently selected from H or C1-C6 alkyl, or L2 may form together with L1 or L of Z6 a heterocycle, in particular a positively charged heterocycle, n is 0, or 1, or 2, or 3, m is 0 or 1.Type: ApplicationFiled: August 24, 2005Publication date: April 9, 2009Inventors: Marcus Textor, Stefan Zurcher, Karl Gademann, Samuele Tosatti
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Publication number: 20090061506Abstract: The invention relates to a method for precipitating mono or multiple layers of organophosphoric acids of the general formula I (A) Y—B—OPO3H2??(IA) or of organophosphonic acids of the general formula I (B) Y—B—PO3H2??(IB) and the salts thereof, wherein B is an alkyl, alkenyl, alkinyl, aryl, aralkyl, hetaryl or hetarylalkyl residue and Y is hydrogen or a functional group from the hydroxy, carboxy, amino, optionally low-alkyl-substituted mono or dialkylamino series, thiol, or a negative acid group from the ester, phosphate, phosphonate, sulfate, sulfonate, maleimide, succinimydyl, epoxy, acrylate series, wherein a biological, biochemical or synthetic indicator element may be coupled to B or Y by addition or substitution reaction, wherein compounds may also be added conferring the substrate surface a resistance to protein adsorption and/or to cell adhesion and in the B chain may optionally be comprised one or more ethylene oxide groups, rather than one or more —CH2- groups.Type: ApplicationFiled: September 8, 2008Publication date: March 5, 2009Inventors: Rolf Hofer, Michael Pawlak, Marcus Textor, Eveline Schurmann-Mader, Markus Ehrat, Samuele Tosatti
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Publication number: 20070190107Abstract: The present invention relates to an implant (1) with at least partially a roughened surface (2), which is at least partially covered by an organic or polymeric intermediate layer (3) and attached thereto a top layer (4). The top layer (4) provides for a controlled release of at least one bioactive agent. A kit for preparing such an implant is also described.Type: ApplicationFiled: January 11, 2007Publication date: August 16, 2007Applicant: Straumann Holding AGInventors: Samuele Tosatti, Diana Trentin, Martin Schuler, Michael De Wild
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Publication number: 20030186914Abstract: The invention relates to a method for precipitating mono or multiple layers of organophosphoric acids of the general formula I (A)Type: ApplicationFiled: March 5, 2003Publication date: October 2, 2003Inventors: Rolf Hofer, Michael Pawlak, Marcus Textor, Eveline Schurmann-Mader, Markus Ehrat, Samuele Tosatti