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).

  • Patent number: 11945898
    Abstract: 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: Grant
    Filed: November 27, 2020
    Date of Patent: April 2, 2024
    Assignee: SUSOS AG
    Inventors: Angela Serrano, Stefan Zuercher, Samuele Tosatti
  • Patent number: 11623026
    Abstract: 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: Grant
    Filed: May 30, 2017
    Date of Patent: April 11, 2023
    Assignee: SUSOS AG
    Inventors: Samuele Tosatti, Olof Sterner, Stefan Zuercher, Christian Mathis
  • Publication number: 20210087309
    Abstract: 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: Application
    Filed: November 27, 2020
    Publication date: March 25, 2021
    Applicant: SUSOS AG
    Inventors: Angela SERRANO, Stefan ZUERCHER, Samuele TOSATTI
  • Patent number: 10882931
    Abstract: 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: Grant
    Filed: September 11, 2014
    Date of Patent: January 5, 2021
    Assignee: SUSOS AG
    Inventors: Angela Serrano, Stefan Zuercher, Samuele Tosatti
  • Publication number: 20200086008
    Abstract: 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: Application
    Filed: May 30, 2017
    Publication date: March 19, 2020
    Applicant: SUSOS AG
    Inventors: Samuele TOSATTI, Olof STERNER, Stefan ZUERCHER, Christian MATHIS
  • Publication number: 20170291971
    Abstract: 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: Application
    Filed: September 11, 2014
    Publication date: October 12, 2017
    Applicant: SUSOS AG
    Inventors: Angela SERRANO, Stefan ZUERCHER, Samuele TOSATTI
  • Patent number: 8951630
    Abstract: 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: Grant
    Filed: December 12, 2011
    Date of Patent: February 10, 2015
    Assignees: Rolex S.A., Susos, AG
    Inventors: Samuele Tosatti, Stefan Zürcher
  • Patent number: 8568872
    Abstract: 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: Grant
    Filed: August 24, 2005
    Date of Patent: October 29, 2013
    Assignee: Eth Zurich
    Inventors: Marcus Textor, Stefan Zürcher, Karl Gademann, Samuele Tosatti
  • Publication number: 20120088099
    Abstract: 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: Application
    Filed: December 12, 2011
    Publication date: April 12, 2012
    Applicants: SUSOS AG, ROLEX S.A.
    Inventors: Samuele Tosatti, Stefan Zürcher
  • Patent number: 8034395
    Abstract: 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: Grant
    Filed: May 12, 2010
    Date of Patent: October 11, 2011
    Assignee: Bayer Technology Services GmbH
    Inventors: Rolf Hofer, Michael Pawlak, Marcus Textor, Eveline Schürmann-Mader, Markus Ehrat, Samuele Tosatti
  • Publication number: 20100280601
    Abstract: 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: Application
    Filed: May 12, 2010
    Publication date: November 4, 2010
    Inventors: Rolf Hofer, Michael Pawlak, Marcus Textor, Eveline Schürmann-Mader, Markus Ehrat, Samuele Tosatti
  • Patent number: 7740896
    Abstract: 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: Grant
    Filed: September 8, 2008
    Date of Patent: June 22, 2010
    Assignee: Bayer Technology Services GmbH
    Inventors: Rolf Hofer, Michael Pawlak, Marcus Textor, Eveline Schürmann-Mader, Markus Ehrat, Samuele Tosatti
  • Publication number: 20100098926
    Abstract: 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: Application
    Filed: November 29, 2007
    Publication date: April 22, 2010
    Applicant: SuSos AG
    Inventors: Samuele Tosatti, Stefan Zurcher
  • Publication number: 20100075138
    Abstract: 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: Application
    Filed: November 29, 2007
    Publication date: March 25, 2010
    Applicant: ROLEX S.A.
    Inventors: Samuele Tosatti, Stefan Zurcher
  • Publication number: 20100068553
    Abstract: 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: Application
    Filed: November 29, 2007
    Publication date: March 18, 2010
    Applicant: ROLEX S.A.
    Inventors: Samuele Tosatti, Stefan Zurcher
  • Patent number: 7517546
    Abstract: 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: Grant
    Filed: August 31, 2001
    Date of Patent: April 14, 2009
    Assignee: Bayer Technology Services GmbH
    Inventors: Rolf Hofer, Michael Pawlak, Marcus Textor, Eveline Schürmann-Mader, Markus Ehrat, Samuele Tosatti
  • Publication number: 20090093610
    Abstract: 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: Application
    Filed: August 24, 2005
    Publication date: April 9, 2009
    Inventors: Marcus Textor, Stefan Zurcher, Karl Gademann, Samuele Tosatti
  • Publication number: 20090061506
    Abstract: 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: Application
    Filed: September 8, 2008
    Publication date: March 5, 2009
    Inventors: Rolf Hofer, Michael Pawlak, Marcus Textor, Eveline Schurmann-Mader, Markus Ehrat, Samuele Tosatti
  • Publication number: 20070190107
    Abstract: 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: Application
    Filed: January 11, 2007
    Publication date: August 16, 2007
    Applicant: Straumann Holding AG
    Inventors: Samuele Tosatti, Diana Trentin, Martin Schuler, Michael De Wild
  • Publication number: 20030186914
    Abstract: The invention relates to a method for precipitating mono or multiple layers of organophosphoric acids of the general formula I (A)
    Type: Application
    Filed: March 5, 2003
    Publication date: October 2, 2003
    Inventors: Rolf Hofer, Michael Pawlak, Marcus Textor, Eveline Schurmann-Mader, Markus Ehrat, Samuele Tosatti