Patents Assigned to Sika Technology AG
  • Publication number: 20210061981
    Abstract: A thermally expandable composition includes at least one polymer P cross-linkable by peroxide, and at least one acrylate, and at least one peroxide, azodicarbonamide and a zinc compound. The thermally expandable composition leads to low odor formation and low ammonia emission during and after the foaming process. The thermally expandable composition further shows excellent properties in terms of expansion stability.
    Type: Application
    Filed: December 20, 2018
    Publication date: March 4, 2021
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Karsten FRICK, Sascha PASULA, Alina KELLER, Leslie WOLSCHLEGER, Elizabeth FARHAT
  • Publication number: 20210062001
    Abstract: A single-component moisture-curable silicone composition including 100 parts by weight of at least one crosslinkable polydiorganosiloxane having silanol end groups, 5 to 20 parts by weight of at least one hydrophilic silica, 1 to 10 parts by weight of at least one organoalkoxysilane or organoalkoxysiloxane crosslinker that contains at least 2 alkoxysilane groups, 1 to 7 parts by weight of organoalkoxysilane or organoalkoxysiloxane that contains at least one aminoalkyl group having a primary amino group, 0.1 to 7 parts by weight of at least one tin catalyst, up to 5 parts by weight of organoalkoxysilane or organoalkoxysiloxane that contains at least two alkoxysilane groups, wherein silicone composition contains less than 1.0% by weight of water based on total composition, with proviso where reactivity in respect of hydrolysis of organoalkoxysilane or organoalkoxysiloxane is greater than reactivity in respect of hydrolysis of organoalkoxysilane or organoalkoxysiloxane crosslinker.
    Type: Application
    Filed: December 21, 2018
    Publication date: March 4, 2021
    Applicant: SIKA TECHNOLOGY AG
    Inventor: Manuel FRIEDEL
  • Patent number: 10934213
    Abstract: A cementitious adhesive composition, in particular a tile adhesive, especially for use in automatic tiling systems, includes 10-70 wt.-% of a hydraulic binder, in particular cement, 20-90 wt.-% of aggregates, in particular sand and/or calcium carbonate, and 0.01-5 wt.-% cellulose ether.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: March 2, 2021
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Sorada Jingjid, Matthieu Duval, Didier Lootens
  • Patent number: 10933922
    Abstract: A device for reinforcing and sealing a structural element in a motor vehicle including a reinforcing element which has a longitudinal axis and which is disposable in a cavity of the structural element, wherein the reinforcing element includes walls which extend substantially in the direction of the longitudinal axis, wherein part-regions of the walls on an external circumference of the reinforcing element form at least one strip which encircles the reinforcing element and which runs transversely to the longitudinal axis of the reinforcing element.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: March 2, 2021
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Vincent Belpaire, Ardi Shehu
  • Publication number: 20210053837
    Abstract: An aqueous suspension including 5 to 65 wt. % of calcium hydroxide, wherein at least 50 wt. % of the calcium hydroxide is present in the form of nanoparticles, and at least one compound for stabilizing the suspension. The aqueous suspension accelerates the setting of mineral binder compositions without adversely affecting the processing properties of the composition.
    Type: Application
    Filed: March 22, 2019
    Publication date: February 25, 2021
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Patrick JUILLAND, Emmanuel GALLUCCI, Denise SCHÖNENBERGER, Luis PEGADO, Lukas FRUNZ, Arnd EBERHARDT
  • Publication number: 20210054241
    Abstract: An adhesive element including a cover layer and a self-adhering sealant, wherein the self-adhering sealant is a thermoactive or thermoactivated rubber compound.
    Type: Application
    Filed: November 21, 2018
    Publication date: February 25, 2021
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Zdislaw KORNACKI, Christian HARDT, Frederick SCHWAB, Wolf-Peter SANDER, Sebastian BEUTEL
  • Publication number: 20210054229
    Abstract: Water-based polyurethane dispersion methodology relating to a chain-extended polyurethane, characterized in that the polyurethane dispersion includes 2, 5, 7, 10-tetraoxaundecane. The water-based polyurethane dispersion is suitable as a non-hazardous water-based coating composition for coatings with a particularly good adhesion on plastic or rubber substrates. The solvent 2, 5, 7, 10-tetraoxaundecane contained therein imparts good film coalescing, good adhesive properties and high strength of the polyurethane dispersion.
    Type: Application
    Filed: October 28, 2020
    Publication date: February 25, 2021
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Craig EVANS, Neil CARTER, Ian MARTIN
  • Patent number: 10919197
    Abstract: A device for reinforcing, sealing or insulating a structural element in a motor vehicle includes a support having a clip for pre-fixing the device in the structural element. The clip includes a base and two flexible wings arranged on the base. The device furthermore includes an adhesive for adhesively bonding the support in the structural element. The device furthermore includes an insertion element, which can be inserted in such a way into an interspace between the base and the wings of the clip when the device is pre-fixed on the structural element by the clip that the flexible wings are restricted in their freedom of movement.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: February 16, 2021
    Assignee: SIKA TECHNOLOGY AG
    Inventor: Heinz Etterli
  • Patent number: 10919283
    Abstract: A sealing membrane including: a) a thermoplastic polyolefin membrane and b) a barrier film including b1) a barrier layer including at least one polymer selected from ethylene-vinyl alcohol copolymer, polyamide or polyester and b2) an outer layer, wherein the barrier film is laminated over the full surface area or over part of the surface area onto the polyolefin membrane, and so the outer layer is connected directly to the polyolefin membrane, and the outer layer and the polyolefin membrane are both ethylene-based or the outer layer and the polyolefin membrane are both propylene-based. The sealing membrane can be produced at low cost and has a stable interconnecting bond. It is suitable in particular for sealing in building construction or civil engineering work.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: February 16, 2021
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Stefan Keiser, Yannic Pironato
  • Patent number: 10919267
    Abstract: A contact layer used in waterproofing and roofing applications. The contact layer includes a mineral binder component B, thermoplastic polymer component P, and a surfactant component S. Also, a method for producing the contact layer, a method for binding two substrates to each other, a method for waterproofing a substrate, a waterproofed structure, a method for sealing a substrate against water penetration, a sealed construction for sealing a substrate against water penetration and a use of the contact layer as a waterproofing membrane.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: February 16, 2021
    Assignee: SIKA TECHNOLOGY AG
    Inventor: Matthias Gössi
  • Patent number: 10920058
    Abstract: A plasticized PVC formulation for foam extrusion including polyvinyl chloride, at least one plasticizer, at least one nucleating agent and a chemical blowing agent, wherein the plasticized PVC formulation is a dry blend containing 0.5 to 5% by weight of one or more nucleating agents and 0.1 to 3% by weight of the chemical blowing agent, wherein the blowing agent is sodium bicarbonate and the nucleating agent is talcum, and a foam extrusion method using said formulation. The extruded plasticized PVC foam is particularly suitable for rock shield pads used for pipeline protection. The foams are lightweight and require less consumption of materials with comparable properties to corresponding solid articles.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: February 16, 2021
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Frank Hoefflin, Herbert Ackermann, Andreas Brunner
  • Publication number: 20210040847
    Abstract: A chemical inhibitor is used for reducing and/or preventing swelling of anhydrite containing rock material, wherein, the chemical inhibitor is used during construction work, especially in tunnel construction through rock material, especially in drill and blast tunnel construction work and/or in tunnel construction with a tunnel boring machine.
    Type: Application
    Filed: February 15, 2019
    Publication date: February 11, 2021
    Applicants: ETH Zürich, Sika Technology AG
    Inventors: Robert FLATT, Timothy WANGLER, Amir Reza SHAHAB
  • Publication number: 20210040000
    Abstract: Methods of using a comb polymer K for reducing the mixing time of a mineral binder composition with water, where the comb polymer K has a polymer backbone and side chains, and the comb polymer K includes at least one monomeric unit M1, including acid groups, and at least one monomeric unit M2, including side chains, the monomeric units M1 and M2 being arranged in a non-statistical sequence along the polymer backbone.
    Type: Application
    Filed: January 22, 2019
    Publication date: February 11, 2021
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Jürg WEIDMANN, Jörg ZIMMERMANN, Fabia ULBER
  • Patent number: 10914063
    Abstract: A waterproofing system including at least two different layers, one layer being a mounting layer and one other layer being a functional layer, the two layers being directly or indirectly connected to each other over at least parts of their opposing surfaces, wherein the functional layer includes at least a thermoplastic polymer and at least a mineral binder.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: February 9, 2021
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Yang Soo Lee, Jy Kang, Sangyong Kim
  • Publication number: 20210032170
    Abstract: An accelerator powder for cement and also rapid-setting binder compositions which contain the accelerator powder and the use in mortar or concrete. The accelerator powder includes from 10 to 99.7% by weight of a water-insoluble mineral powder P and from 0.3 to 90% by weight of at least one compound V selected from the group consisting of alkali metal halides and alkaline earth metal halides, alkali metal nitrates and alkaline earth metal nitrates, alkali metal nitrites and alkaline earth metal nitrites, alkali metal thiocyanates and alkaline earth metal thiocyanates and hydroxyalkylamines or salts thereof, and mixtures thereof.
    Type: Application
    Filed: January 22, 2019
    Publication date: February 4, 2021
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Lolita HAUGUEL, Maxime LIARD, Didier LOOTENS
  • Patent number: 10906838
    Abstract: A process for preparing a polymer mixture containing at least two different comb polymers, wherein the comb polymers each have a polymer backbone having side chains attached via ester and/or amide groups, which process includes the steps of: a) providing and/or preparing a reaction mixture containing at least a first base polymer bearing acid groups and a second base polymer bearing acid groups, wherein the two base polymers differ chemically; b) conjointly esterifying and/or amidating the two base polymers with at least one unilaterally hydroxyl-terminated side chain compound and/or with at least one unilaterally amino-terminated side chain compound to obtain at least two different comb polymers.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: February 2, 2021
    Assignee: SIKA TECHNOLOGY AG
    Inventor: Ottavio Rombola
  • Patent number: 10906595
    Abstract: A device for reinforcing a structural element in a motor vehicle including: a reinforcing element which has a longitudinal axis and which is disposable in a cavity of the structural element, wherein the reinforcing element includes side walls which extend substantially in the direction of the longitudinal axis, wherein a fastening element for the preliminary fixing of the reinforcing element to the structural element is disposed on a first side wall, wherein a side wall that is opposite the first side wall at a location that is opposite the fastening element has a closed surface for connecting to the structural element.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: February 2, 2021
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Vincent Belpaire, Ardi Shehu
  • Publication number: 20210024415
    Abstract: A method for producing improved comb polymers having a block or gradient structure. The comb polymers are highly suitable for dispersing fine powder.
    Type: Application
    Filed: May 22, 2019
    Publication date: January 28, 2021
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Jürg WEIDMANN, Markus FRIEDERICH, Christina HAMPEL, Jörg ZIMMERMANN
  • Patent number: 10899902
    Abstract: A composition for an expandable sealant including at least one polymeric material selected from the group consisting of low density polyethylenes (LDPE), linear low density polyethylenes (LLPDE), ethylene vinyl acetate (EVA), ethylene methacrylate (EMA), and ethylene-butyl acrylate (EnBA); and a chemical blowing agent, wherein the composition is substantially free of a cross-linking agent.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: January 26, 2021
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Leslie Michele Wolschleger, Jena Mabilia, Sascha Pasula
  • Patent number: 10899926
    Abstract: A composition including at least one polymer containing silane groups, at least one epoxy resin, and at least one amine of the formula (I). The composition is low in odor, low in toxicity, and highly workable. It enables low-emission products which cure rapidly at ambient temperature to form macroscopically homogeneous films or bodies having good mechanical properties, high thermal stability and good adhesion properties, the mechanical properties being able to be adjusted from very elastic through to tough elastic. The composition is especially suitable as adhesive and/or sealant or coating.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: January 26, 2021
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Edis Kasemi, Andreas Kramer, Ursula Stadelmann, Urs Burckhardt, Hans Häberle, Steffen Kelch