Patents by Inventor Antonio Corsaro

Antonio Corsaro 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).

  • Publication number: 20230406993
    Abstract: The present invention relates to a polyol composition consisting of a first component and a second component, wherein the first component contains a polyol having had OH functionality in the range from 1.5 to 4 and an average molecular weight in the range from 250 to 15'000 g/mol, a diol having at least two hydroxyl groups joined via a C2 to C9 carbon chain, and a compound having at least one thiol group. In addition, one of the two components additionally comprises at least one metal catalyst for the reaction of hydroxyl groups and isocyanate groups which is capable of forming thio complexes, and where the molar ratio of all NCO groups of the polyisocyanates I to all OH groups of the polyols=0.9:1-1.4:1, especially 1.05:1-1.
    Type: Application
    Filed: February 1, 2022
    Publication date: December 21, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Semjon ROTH, Stefan MEISTER, Antonio CORSARO, Fabien CHOFFAT
  • Publication number: 20230047357
    Abstract: A polyurethane composition includes first and second components, wherein the first component contains between 30% and 99% by weight of a polyol mixture including 100 parts by weight of at least one hydrophobic polyol, 10 to 75 parts by weight of at least one hydrophilic polyol, 0 to 25 parts by weight of at least one diol having two hydroxyl groups linked via a C2 to C9 carbon chain; and also at least one compound having at least one thiol group; and the second component includes at least one polyisocyanate, wherein one of the two components additionally includes at least one metal catalyst for the reaction of hydroxyl groups and isocyanate groups that is able to form thio complexes and the molar ratio of all the thiol groups in the at least one compound to all metal atoms in the at least one metal catalyst is between 1:1 and 250:1.
    Type: Application
    Filed: March 18, 2021
    Publication date: February 16, 2023
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Martin DEMMIG, Steffen KELCH, Antonio CORSARO
  • Patent number: 11518918
    Abstract: Adhesion promoter compositions, containing: a) between 40 and 80 parts by weight of a binder composition, including i) 20-40 wt % of at least one silane-terminated polyurethane polymer STP, which can be obtained from at least one polyol P, aliphatic polyisocyanate I and organosilane OS1, ii) 4-20 wt % of at least one organosilane OS2 and/or organotitanate OT, iii) 0-3 wt % of at least one desiccant, iv) 40-80 wt % of solvent L1; b) between 0-30 parts by weight of industrial carbon black; c) between 0-1 parts by weight of UV marker; d) so much of solvent L2 that sum of a)-d) is 100 parts by weight; OS1 having secondary amino, mercapto or hydroxyl group on organic moiety and the at least one STP having been produced in absence of OS2, and the at least one P having an average OH functionality of at least 2 and equivalent weight of at most 500.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: December 6, 2022
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Antonio Corsaro, Reto Fässler
  • Patent number: 11407893
    Abstract: A polyurethane composition including a first and a second component, wherein the first component is a polyol with an OH functionality in the range from 1.5 to 4 and a mean molecular weight in the range from 250 to 15,000 g/mol, a diol with two hydroxyl groups which are linked via a C2 to C0 carbon chain, and a compound that includes at least one thiol group. One of the two components also additionally contains at least one metal catalyst for the reaction of hydroxyl groups and isocyanate groups which can form thio complexes, and the second component contains enough polyisocyanate that at least 5% by weight of isocyanate groups, in relation to the total polyurethane composition, are contained, and the molar ratio of all thiol groups of the mentioned compound to all metal atoms of the metal catalyst is between 1:1 and 250:1.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: August 9, 2022
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Urs Burckhardt, Michael Schlumpf, Antonio Corsaro
  • Publication number: 20220025101
    Abstract: A polyurethane composition consisting of a first component and a second component, wherein the first component contains a polyol having an OH functionality in the range from 1.5 to 4 and an average molecular weight in the range from 250 to 15 000 g/mol, a diol having two hydroxyl groups joined via a C2 to C9 carbon chain, and a compound having at least one thiol group. In addition, one of the two components additionally contains at least one metal catalyst for the reaction of hydroxyl groups and isocyanate groups that is able to form thio complexes, and the molar ratio of all NCO groups in the polyisocyanurates to all OH groups in the polyols is 0.9:1-1.2:1, and the polyurethane composition, directly after mixing of the components at 23° C., is free-flowing, and has a viscosity of <5000 Pa·s at a shear rate of 0.01 s?1.
    Type: Application
    Filed: December 18, 2019
    Publication date: January 27, 2022
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Antonio CORSARO, Fabien CHOFFAT
  • Publication number: 20210363366
    Abstract: A method applying a two-component polyurethane composition by means of 3D printing, including steps providing pumpable first component A including at least one polyol having OH functionality in range from 1.5-4 and average molecular weight Mn in range from 250 to 15 000 g/mol, and at least one diol having two hydroxyl groups joined via a C2-C9 carbon chain, and at least one compound T having at least one thiol group; feeding pumpable second component B into continuous mixer's mixing region, where second component B includes at least one polyisocyanate; wherein one of components A and B additionally includes at least one metal catalyst for reaction of hydroxyl groups and isocyanate groups that is able to form thio complexes, and molar ratio of all thiol groups in at least one compound T to all metal atoms in at least one metal catalyst K is between 1:1 and 250:1.
    Type: Application
    Filed: December 18, 2019
    Publication date: November 25, 2021
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Didier LOOTENS, Maxime LIARD, Nicolas BERNARDINI, Fleur CHAIGNON-LESETRE, Antonio CORSARO
  • Publication number: 20210292621
    Abstract: A two-component polyurethane adhesive including a polyol component K1 and a polyisocyanate component K2; wherein the polyol component K1 includes at least one diol A1 having two primary hydroxyl groups and a molecular weight in the range from 60 to 150 g/mol, at least one triol A2 having an average molecular weight in the range from 1,000 to 10,000 g/mol, at least one polyester polyol A3 based on dimer fatty acids and/or dimer fatty alcohols, especially based on dimer fatty acids; and the polyisocyanate component K2 includes at least one polyisocyanate B1 and/or at least one polyurethane polymer B2 having isocyanate groups.
    Type: Application
    Filed: July 2, 2019
    Publication date: September 23, 2021
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Martin DEMMIG, Antonio CORSARO
  • Publication number: 20210171700
    Abstract: Adhesion promoter compositions, containing: a) between 40 and 80 parts by weight of a binder composition, including i) 20-40 wt % of at least one silane-terminated polyurethane polymer STP, which can be obtained from at least one polyol P, aliphatic polyisocyanate I and organosilane OS1, ii) 4-20 wt % of at least one organosilane OS2 and/or organotitanate OT, iii) 0-3 wt % of at least one desiccant, iv) 40-80 wt % of solvent L1; b) between 0-30 parts by weight of industrial carbon black; c) between 0-1 parts by weight of UV marker; d) so much of solvent L2 that sum of a)-d) is 100 parts by weight; OS1 having secondary amino, mercapto or hydroxyl group on organic moiety and the at least one STP having been produced in absence of OS2, and the at least one P having an average OH functionality of at least 2 and equivalent weight of at most 500.
    Type: Application
    Filed: May 22, 2018
    Publication date: June 10, 2021
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Antonio CORSARO, Reto FÄSSLER
  • Patent number: 10975276
    Abstract: An aqueous adhesion composition comprising: a) at least one dispersed solid epoxy resin (EP); b) at least one amino silane (AS); c) at least one acid (HS); d) at least one amine hardener (AH); and e) water. According to the invention, the adhesion compositions substantially improve, particularly under humid conditions, the adhesion on different substrates. The compositions are storage stable for a longer period of time and have, even after different aging states of the components, essentially no impairment in the action thereof.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: April 13, 2021
    Assignee: SIKA TECHNOLOGY AG
    Inventor: Antonio Corsaro
  • Publication number: 20200207980
    Abstract: A polyurethane composition including a first and a second component, wherein the first component is a polyol with an OH functionality in the range from 1.5 to 4 and a mean molecular weight in the range from 250 to 15,000 g/mol, a diol with two hydroxyl groups which are linked via a C2 to C0 carbon chain, and a compound that includes at least one thiol group. One of the two components also additionally contains at least one metal catalyst for the reaction of hydroxyl groups and isocyanate groups which can form thio complexes, and the second component contains enough polyisocyanate that at least 5% by weight of isocyanate groups, in relation to the total polyurethane composition, are contained, and the molar ratio of all thiol groups of the mentioned compound to all metal atoms of the metal catalyst is between 1:1 and 250:1.
    Type: Application
    Filed: June 29, 2018
    Publication date: July 2, 2020
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Urs BURCKHARDT, Michael SCHLUMPF, Antonio CORSARO
  • Publication number: 20180215968
    Abstract: An aqueous adhesion composition comprising: a) at least one dispersed solid epoxy resin (EP); b) at least one amino silane (AS); c) at least one acid (HS); d) at least one amine hardener (AH); and e) water. According to the invention, the adhesion compositions substantially improve, particularly under humid conditions, the adhesion on different substrates. The compositions are storage stable for a longer period of time and have, even after different aging states of the components, essentially no impairment in the action thereof.
    Type: Application
    Filed: August 19, 2016
    Publication date: August 2, 2018
    Applicant: SIKA TECHNOLOGY AG
    Inventor: Antonio CORSARO
  • Patent number: 9340682
    Abstract: The present invention relates to a adhesion promoter composition containing at least one aqueous dispersion of a solid epoxy resin; at least one polyamine; and at least one Compound V in free or hydrolytically releasable form which can enter into a condensation reaction with the polyamine. Adhesion promoter compositions according to the invention lead to an improvement in the adhesion under hot, humid conditions.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: May 17, 2016
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Urs Burckhardt, Wolf-Rüdiger Huck, Reto Fässler, Antonio Corsaro
  • Publication number: 20140179829
    Abstract: The present invention relates to a adhesion promoter composition containing at least one aqueous dispersion of a solid epoxy resin; at least one polyamine; and at least one Compound V in free or hydrolytically releasable form which can enter into a condensation reaction with the polyamine. Adhesion promoter compositions according to the invention lead to an improvement in the adhesion under hot, humid conditions.
    Type: Application
    Filed: June 7, 2012
    Publication date: June 26, 2014
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Urs Burckhardt, Wolf-Rüdiger Huck, Reto Fässler, Antonio Corsaro
  • Patent number: 8383240
    Abstract: The invention relates to bonding agent composition containing at least one bonding agent and at least one carrier medium which is liquid at room temperature and has a boiling point higher than 250° C. The carrier medium part represents between 40 and 99 wt. % of the total weight of the composition.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: February 26, 2013
    Assignee: Sika Technology AG
    Inventor: Antonio Corsaro
  • Publication number: 20120315388
    Abstract: An adhesive system, including a bonding agent composition containing at least one aqueous dispersion of a solid epoxy resin; and at least one polyamine; and an adhesive or sealant, containing at least one compound V in free or hydrolytically releasable form, which can react with the polyamine in a condensation reaction, wherein an adhesive system can result in improved adhesion under humid and warm conditions.
    Type: Application
    Filed: June 8, 2012
    Publication date: December 13, 2012
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Urs BURCKHARDT, Wolf Rüdiger HUCK, Antonio CORSARO, Judith GRIMM
  • Publication number: 20090305051
    Abstract: The invention relates to bonding agent composition containing at least one bonding agent and at least one carrier medium which is liquid at room temperature and has a boiling point higher than 250° C. The carrier medium part represents between 40 and 99 wt. % of the total weight of the composition.
    Type: Application
    Filed: August 31, 2007
    Publication date: December 10, 2009
    Applicant: SIKA TECHNOLOGY AG
    Inventor: Antonio Corsaro