Patents by Inventor Michael Schlumpf

Michael Schlumpf 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: 10563103
    Abstract: A two-component polyurethane composition includes a first component, including at least one polybutadiene polyol P1 having an average molecular weight of 2,000 to 10,000 g/mol and an average OH functionality of 2.1 to 4, and a second component, including at least one polyisocyanate and optionally at least one isocyanate-terminated polyurethane prepolymer. The composition also contains at least one hydrophobic diol P2 having an average molecular weight of 500 to 5,000 g/mol, selected from polybutadiene diols, polyester diols, polycarbonate diols, polyether diols having a repeat unit having at least 4 C atoms, and/or at least one hydrophobic compound P3, which is terminated with amino groups and has an average molecular weight in the range of 200 to 2,000 g/mol. The ratio of the number of hydroxyl groups from P1 to the number of hydroxyl and primary and secondary amino groups from P2 and P3 is 2:1 to 16:1.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: February 18, 2020
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Steffen Kelch, Michael Schlumpf, Tina Voci
  • Publication number: 20190367663
    Abstract: A one-component moisture curing composition and a method for sealing construction joints against penetration of water. The one-component moisture curing composition includes at least one isocyanate-functional polyurethane polymer, at least one inorganic swelling agent selected from the group including aluminum sulfate and magnesium sulfate, and at least one hydrophilic aldimine of formula (I).
    Type: Application
    Filed: March 7, 2018
    Publication date: December 5, 2019
    Applicant: SIKA TECHNOLOGY AG
    Inventor: Michael SCHLUMPF
  • Patent number: 10494552
    Abstract: A moisture-curing adhesive composition has a) at least one polyurethane polymer having isocyanate groups, b) at least a silane adhesion promoter, c) at least one amine catalyst, and d) at least one chelate complexing agent. Compositions are suitable especially as adhesive or sealant, in particular for glass panes, for example in vehicle construction or vehicle repair, wherein the use of a primer or activator can be dispensed with.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: December 3, 2019
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Alain Zahn, Michael Schlumpf, Urs Burckhardt
  • Publication number: 20180334600
    Abstract: A polyurethane composition having a) 5 to 40 wt. %, based on the total polyurethane composition, of at least one polyol P; b) 25 to 75 wt. %, based on the total polyurethane composition, of at least one filler F; c) 0.5 to 10 wt. %, based on the total polyurethane composition, of at least one polyisocyanate I; and d) 10 to 40 wt. %, based on the total polyurethane composition, of at least one plasticizer W. The plasticizer W has at least one sulfonamide. Compositions according to the invention are suitable in particular as adhesives or sealants, in particular joint sealants, and have an excellent resistance against fuels.
    Type: Application
    Filed: December 20, 2016
    Publication date: November 22, 2018
    Applicant: SIKA TECHNOLOGY AG
    Inventor: Michael SCHLUMPF
  • Publication number: 20180201815
    Abstract: A two-component polyurethane composition includes a first component, including at least one polybutadiene polyol P1 having an average molecular weight of 2,000 to 10,000 g/mol and an average OH functionality of 2.1 to 4, and a second component, including at least one polyisocyanate and optionally at least one isocyanate-terminated polyurethane prepolymer. The composition also contains at least one hydrophobic diol P2 having an average molecular weight of 500 to 5,000 g/mol, selected from polybutadiene diols, polyester diols, polycarbonate diols, polyether diols having a repeat unit having at least 4 C atoms, and/or at least one hydrophobic compound P3, which is terminated with amino groups and has an average molecular weight in the range of 200 to 2,000 g/mol. The ratio of the number of hydroxyl groups from P1 to the number of hydroxyl and primary and secondary amino groups from P2 and P3 is 2:1 to 16:1.
    Type: Application
    Filed: July 26, 2016
    Publication date: July 19, 2018
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Steffen KELCH, Michael SCHLUMPF, Tina VOCI
  • Publication number: 20170275509
    Abstract: A moisture-curing adhesive composition has a) at least one polyurethane polymer having isocyanate groups, b) at least a silane adhesion promoter, c) at least one amine catalyst, and d) at least one chelate complexing agent. Compositions are suitable especially as adhesive or sealant, in particular for glass panes, for example in vehicle construction or vehicle repair, wherein the use of a primer or activator can be dispensed with.
    Type: Application
    Filed: September 22, 2015
    Publication date: September 28, 2017
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Alain ZAHN, Michael SCHLUMPF, Urs BURCKHARDT
  • Patent number: 9527999
    Abstract: Dialdimines of formula (I) and emulsions and uses thereof. In particular, they can be used for the preparation of pasty curing agent or accelerator components for polymers having isocyanate groups, which lead to very high early strength, which have good flow behavior on pumping and which can be formulated without VOC solvents, in particular without N-alkylpyrrolidones. These components can be homogeneously or inhomogeneously mixed in an outstanding manner, in particular in a laminar manner, with components which contain polyurethane polymers having isocyanate groups, the two-component compositions thus obtained curing rapidly, having extremely high early strength and remaining without annoying weaknesses.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: December 27, 2016
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Michael Schlumpf, Urs Burckhardt
  • Publication number: 20150024219
    Abstract: Compositions having i) at least one mercaptosilane MS, as well as ii) at least one polysilane PS, as well as iii) at least one aromatic secondary aminosilane AS, as well as iv) at least one organotitanium compound.
    Type: Application
    Filed: August 26, 2014
    Publication date: January 22, 2015
    Inventors: Reto DOHNER, Michael SCHLUMPF, Andreas DIENER, Wolf-Rüdiger HUCK
  • Publication number: 20140224835
    Abstract: A dispensing tool is disclosed which includes an exchangeable container having a main component A, a container having a minor component B, a mixer for the components A and B, and an expelling device for at least one of the containers, the expulsion into the mixer of at least one of the components being controllable independently of the other components. In addition, a method is disclosed for refilling the container of the minor component B of a dispensing tool.
    Type: Application
    Filed: April 22, 2014
    Publication date: August 14, 2014
    Applicant: SIKA TECHNOLOGY AG
    Inventors: David Tobler, Michael Schlumpf, Manuel Buck, Dana Maiwald
  • Patent number: 8759455
    Abstract: Single-component compositions are disclosed, which can be cured in two stages, wherein in the first curing stage, compositions pre-cured by means of moisture and having in particular plastic properties are formed, and wherein in the second curing stage, compositions cured by means of heat and having in particular elastic properties are formed. The two-stage compositions are suitable in particular as adhesives and have the great advantage that thanks to said two-stage compositions, an adhesive can be applied to a substrate, said adhesive cures by means of moisture in such a way that it can be handled and stored without problems, and said adhesive can be cured easily in an adhering step by means of heat only when needed.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: June 24, 2014
    Assignee: Sika Technology AG
    Inventors: Alain Zahn, Michael Schlumpf, Urs Burckhardt
  • Patent number: 8324340
    Abstract: A one-component, moisture curing composition that has a) at least one polyurethane polymer P1, being liquid at room temperature and having isocyanate groups and b) at least one polyurethane polymer A of the formula (Ia) or (Ib), being solid at room temperature and having aldimine groups with a melting point in the range from 40° C. to 80° C., the composition 1) being capable of being applied warm; 2) having adjustable cure times and a good initial strength with suitable application properties; 3) curing under the influence of humidity without bubbles; and 4) having a good elasticity and mechanical rigidity after curing.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: December 4, 2012
    Assignee: Sika Technology AG
    Inventors: Urs Burckhardt, Michael Schlumpf
  • Publication number: 20120045652
    Abstract: Single-component compositions are disclosed, which can be cured in two stages, wherein in the first curing stage, compositions pre-cured by means of moisture and having in particular plastic properties are formed, and wherein in the second curing stage, compositions cured by means of heat and having in particular elastic properties are formed. The two-stage compositions are suitable in particular as adhesives and have the great advantage that thanks to said two-stage compositions, an adhesive can be applied to a substrate, said adhesive cures by means of moisture in such a way that it can be handled and stored without problems, and said adhesive can be cured easily in an adhering step by means of heat only when needed.
    Type: Application
    Filed: March 31, 2010
    Publication date: February 23, 2012
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Alain Zahn, Michael Schlumpf, Urs Burckhardt
  • Publication number: 20110253747
    Abstract: A dispensing tool is disclosed which includes an exchangeable container having a main component A, a container having a minor component B, a mixer for the components A and B, and an expelling device for at least one of the containers, the expulsion into the mixer of at least one of the components being controllable independently of the other components. In addition, a method is disclosed for refilling the container of the minor component B of a dispensing tool.
    Type: Application
    Filed: June 15, 2011
    Publication date: October 20, 2011
    Applicant: SIKA TECHNOLOGY AG
    Inventors: David Tobler, Michael Schlumpf, Manuel Buck, Dana Maiwald
  • Publication number: 20110104504
    Abstract: Compositions which have i) at least one mercaptosilane MS, as well as ii) at least one polysilane PS, as well as iii) at least one aromatic secondary aminosilane AS, as well as iv) at least one organotitanium compound.
    Type: Application
    Filed: May 28, 2009
    Publication date: May 5, 2011
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Reto Dohner, Michael Schlumpf, Andreas Diener, Wolf-Rüdiger Huck
  • Publication number: 20100227174
    Abstract: The present invention relates to polyurethane compositions which are based on polyurethane polymers having isocyanate groups and comprise at least one tertiary amine and an anhydridosilane. Such compositions are suitable especially as elastic adhesives, sealants and coatings for glass and ceramic substrates. They are notable in that, with optimal adhesive properties, they are employable within a wide temperature range, including the low-temperature range, and additionally have a very good storage stability.
    Type: Application
    Filed: July 3, 2008
    Publication date: September 9, 2010
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Sabine Erdelt, Michael Schlumpf, Urs Burckhardt
  • Publication number: 20100032074
    Abstract: The present invention relates to dialdimines of the formula (I) and emulsions and uses thereof. In particular, they can be used for the preparation of pasty curing agent or accelerator components for polymers having isocyanate groups, which lead to very high early strength, which have good flow behaviour on pumping and which can be formulated without VOC solvents, in particular without N-alkylpyrrolidones. These components can be homogeneously or inhomogeneously mixed in an outstanding manner, in particular in a laminar manner, with components which contain polyurethane polymers having isocyanate groups, the two-component compositions thus obtained curing rapidly, having extremely high early strength and remaining without annoying weaknesses.
    Type: Application
    Filed: March 6, 2008
    Publication date: February 11, 2010
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Michael Schlumpf, Urs Burckhardt
  • Publication number: 20100003526
    Abstract: A one-component, moisture curing composition that has a) at least one polyurethane polymer P1, being liquid at room temperature and having isocyanate groups and b) at least one polyurethane polymer A of the formula (Ia) or (Ib), being solid at room temperature and having aldimine groups with a melting point in the range from 40° C. to 80° C., the composition 1) being capable of being applied warm; 2) having adjustable cure times and a good initial strength with suitable application properties; 3) curing under the influence of humidity without bubbles; and 4) having a good elasticity and mechanical rigidity after curing.
    Type: Application
    Filed: October 31, 2007
    Publication date: January 7, 2010
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Urs Burckhardt, Michael Schlumpf
  • Publication number: 20090297856
    Abstract: The present invention provides compositions comprising at least one reaction product obtained from a reaction mixture comprising i) at least one mercaptosilane MS, and also ii) at least one polysilane PS which contains in particular at least one secondary or tertiary amino group, preferably a secondary amino group, and also iii) at least one epoxy resin EP. The compositions are suitable as adhesion promoters, more particularly in the form of primers. They exhibit good adhesion and are especially suitable for the adhesive bonding of glass and glass ceramic.
    Type: Application
    Filed: May 7, 2009
    Publication date: December 3, 2009
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Reto Dohner, Michael Schlumpf, Andreas Diener, Wolf-Rudiger Huck
  • Publication number: 20090092840
    Abstract: A two-component adhesive or sealant composition consists of a first component (K1) comprising a prepolymer P, which displays an isocyanate group, and an acceleration component (K2). The said acceleration component (K2) displays a catalyst, which catalyzes the reaction of isocyanate groups and which is a lead, zinc, or iron (III) complex, as well as compounds displayed on isocyanate-reactive groups that are at most 1% by weight. In particular, adhesives with a high cure velocity and good adhesion can be obtained and adapted very easily to ambient conditions.
    Type: Application
    Filed: May 24, 2007
    Publication date: April 9, 2009
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Michael Schlumpf, Martin Konstanzer
  • Publication number: 20080289761
    Abstract: Polyurethane compositions are disclosed which are particularly suitable as adhesives, show excellent solidity build-up throughout the ?10° C.-35° C. temperature range and are easy to apply. In particular, adhesives showing an excellent crash performance can be formulated within the context of the present invention.
    Type: Application
    Filed: May 10, 2005
    Publication date: November 27, 2008
    Inventors: Bernhard Bosshard, Michael Schlumpf