Patents by Inventor Thomas Bürgel

Thomas Bürgel 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: 10287504
    Abstract: A composition that forms an insulating layer is described, which contains a thiol-ene-based binder. With the composition according to the invention, the expansion rate of which is relatively high, coatings having the layer thickness necessary for the respective fire resistance time can be applied simply and quickly, the layer thickness being reduced to a minimum and a highly insulating effect still being achieved. The composition according to the invention is particularly suitable for fire protection, in particular as a coating of metallic and/or non-metallic substrates, for example steel components such as pillars, beams or truss members, to increase the fire resistance time.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: May 14, 2019
    Assignee: Hilti Aktiengesellschaft
    Inventors: Sebastian Simon, Armin Pfeil, Thomas Buergel, Angela Muecke
  • Patent number: 9523029
    Abstract: A description is given of a two-component mortar composition having a curable resin component having a content of at least one free-radically polymerizable resin, fillers, accelerators, stabilizers and optionally further conventional mortar constituents and a hardener component which is arranged separately therefrom to inhibit reaction and has a content of at least one peroxide for chemical fastening of anchoring means in boreholes, which is characterized in that the resin component contains from 0.1 to 0.5% by weight of at least one accelerator and from 0.003 to 0.03% by weight of at least one stabilizer and the hardener component contains from 0.1 to 0.35% by weight of organic peroxide, in each case based on the total weight of resin component and hardener component, and also the use of this two-component mortar composition for chemical fastening of anchoring means in boreholes.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: December 20, 2016
    Assignee: Hilti Aktiengesellschaft
    Inventor: Thomas Buergel
  • Patent number: 9463449
    Abstract: An accelerator mixture for peroxide hardeners, in particular an accelerator mixture for an organic peroxide-curing resin mixture, a two-component mortar system containing the same for chemical fastening and use of the same for chemical fastening of anchoring elements in boreholes are disclosed. Using a mixture of bis-N-substituted p-toluidines with bis-N-substituted anilines or bis-N-substituted m-toluidines, it is possible to provide a mortar composition for chemical fastening of anchoring elements in boreholes, which will have an improved low-temperature curing and improved load ratings at high temperatures with an extended gel time.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: October 11, 2016
    Assignee: Hilti Aktiengesellschaft
    Inventor: Thomas Buergel
  • Publication number: 20160236983
    Abstract: A reaction resin mortar curable by frontal polymerization is described, comprising at least one radically polymerizable compound (a), at least one thiol-functionalized compound (b) and at least one polymerization initiator (c), wherein the weight ratio of the at least one radically polymerizable compound (a) and the at least one thiol-functionalized compound (b) is in the range of 10:1 to 2:1 and wherein the polymerization initiator (c) is selected from compounds which can be thermally activated and/or thermally released at a temperature of above 30° C. and/or ammonium persulfates which are formed in-situ from at least one organically substituted ammonium salt and at least one inorganic persulfate as well as a method for fixing anchor rods, rebars or the like in bore holes using the reaction resin mortar.
    Type: Application
    Filed: September 19, 2014
    Publication date: August 18, 2016
    Inventors: Thomas BUERGEL, Armin PFEIL
  • Publication number: 20150299578
    Abstract: A composition that forms an insulating layer is described, which contains a thiol-ene-based binder. With the composition according to the invention, the expansion rate of which is relatively high, coatings having the layer thickness necessary for the respective fire resistance time can be applied simply and quickly, the layer thickness being reduced to a minimum and a highly insulating effect still being achieved. The composition according to the invention is particularly suitable for fire protection, in particular as a coating of metallic and/or non-metallic substrates, for example steel components such as pillars, beams or truss members, to increase the fire resistance time.
    Type: Application
    Filed: December 10, 2013
    Publication date: October 22, 2015
    Inventors: Sebastian Simon, Armin Pfeil, Thomas Buergel, Angela Muecke
  • Publication number: 20150060312
    Abstract: Use of a ?-phosphorylated nitroxide radical as an inhibitor for resin mixtures and reactive resin mortars, each based on radically curable compounds. The pot life of mortar compounds can be adjusted in a targeted manner with the ?-phosphorylated nitroxide radical for resin mixtures and reactive resin mortars.
    Type: Application
    Filed: April 10, 2013
    Publication date: March 5, 2015
    Applicant: Hilti Aktiengesellschaft
    Inventors: Thomas Buergel, Armin Pfeil
  • Publication number: 20130237634
    Abstract: A description is given of a two-component mortar composition having a curable resin component having a content of at least one free-radically polymerizable resin, fillers, accelerators, stabilizers and optionally further conventional mortar constituents and a hardener component which is arranged separately therefrom to inhibit reaction and has a content of at least one peroxide for chemical fastening of anchoring means in boreholes, which is characterized in that the resin component contains from 0.1 to 0.5% by weight of at least one accelerator and from 0.003 to 0.03% by weight of at least one stabilizer and the hardener component contains from 0.1 to 0.35% by weight of organic peroxide, in each case based on the total weight of resin component and hardener component, and also the use of this two-component mortar composition for chemical fastening of anchoring means in boreholes.
    Type: Application
    Filed: November 8, 2011
    Publication date: September 12, 2013
    Applicant: Hilti Aktiengesellschaft
    Inventor: Thomas Buergel
  • Publication number: 20130112432
    Abstract: An accelerator mixture for peroxide hardeners, in particular an accelerator mixture for an organic peroxide-curing resin mixture, a two-component mortar system containing the same for chemical fastening and use of the same for chemical fastening of anchoring elements in boreholes are disclosed. Using a mixture of bis-N-substituted p-toluidines with bis-N-substituted anilines or bis-N-substituted m-toluidines, it is possible to provide a mortar composition for chemical fastening of anchoring elements in boreholes, which will have an improved low-temperature curing and improved load ratings at high temperatures with an extended gel time.
    Type: Application
    Filed: April 26, 2012
    Publication date: May 9, 2013
    Applicant: Hilti Aktiengesellschaft
    Inventor: Thomas Buergel
  • Patent number: 8313006
    Abstract: A foil container for storing components of a multi-component mass and for being inserted in a receptacle of an ejection device, includes a first foil bag (12) that stores at least one component (16) of the multi-component mass, a second foil bag (22) arranged next to the first foil bag (12) and that stores at least two components (26, 27) of the multi-component mass separately from each other, and a head portion (31) having at least two receiving sections (32, 36) for receiving respective ends (13, 23) of the first and second foil bags (12, 22).
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: November 20, 2012
    Assignee: Hilti Aktiengesellschaft
    Inventors: Ralf Willner, Josef Glogger, Armin Baessler, Frank Thiemann, Thomas Buergel
  • Publication number: 20110073327
    Abstract: A two-component mortar composition contains a curable resin component (A), and a curing agent component (B), which is separated therefrom to inhibit reaction and contains, in the resin component (A), a reactive diluent mixture, which comprises at least one hydroxyalkyl di(meth)acrylate, at least one alkyl (meth)acrylate and at least one acetoacetato compound of the general formula (I). A method of fastening an anchoring element in boreholes in mineral substrates includes filling a borehole with the inventive two-component mortar composition, inserting an anchoring element in the borehole immediately after filling the borehole with the mortar composition; with the anchoring element being set after a predetermined time period necessary for the chemical reaction of the resin component (A) with a curing agent components (B).
    Type: Application
    Filed: September 28, 2010
    Publication date: March 31, 2011
    Inventor: Thomas Buergel
  • Patent number: 7807740
    Abstract: A two-component reaction resin includes a resin component (A), which contains, as curable constituent (a), at least one free radical-curable, ethylenically unsaturated compound, an agent (b) for adjusting the reactivity and the gel time and at least one comonomer (c) and a curing component (B), which is disposed separate therefrom to inhibit any reaction and is a curing agent for the resin of the resin component (A) and which, as agent (b) for adjusting the reactivity and the gel time, contains a pyrocatechol derivative of the general Formula (I):
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: October 5, 2010
    Assignee: Hilti Aktiengesellschaft
    Inventors: Emin Memet Kumru, Thomas Buergel, Armin Pfeil
  • Publication number: 20100027918
    Abstract: A foil container for storing components of a multi-component mass and for being inserted in a receptacle of an ejection device, includes a first foil bag (12) that stores at least one component (16) of the multi-component mass, a second foil bag (22) arranged next to the first foil bag (12) and that stores at least two components (26, 27) of the multi-component mass separately from each other, and a head portion (31) having at least two receiving sections (32, 36) for receiving respective ends (13, 23) of the first and second foil bags (12, 22).
    Type: Application
    Filed: July 24, 2009
    Publication date: February 4, 2010
    Inventors: Ralf Willner, Josef Glogger, Armin Baessler, Frank Thiemann, Thomas Buergel
  • Publication number: 20080171807
    Abstract: A two-component reaction resin includes a resin component (A), which contains, as curable constituent (a), at least one free radical-curable, ethylenically unsaturated compound, an agent (b) for adjusting the reactivity and the gel time and at least one comonomer (c) and a curing component (B), which is disposed separate therefrom to inhibit any reaction and is a curing agent for the resin of the resin component (A) and which, as agent (b) for adjusting the reactivity and the gel time, contains a pyrocatechol derivative of the general Formula (I):
    Type: Application
    Filed: December 19, 2007
    Publication date: July 17, 2008
    Inventors: Emin Memet Kumru, Thomas Buergel, Armin Pfeil
  • Patent number: 7238749
    Abstract: A two-component mortar composition is described with a curable resin component containing at least one free radical-polymerizable resin, fillers, reactive diluents, solvents, accelerators and/or further conventional mortar components and, separated therefrom to inhibit reaction, a curing agent component for chemically fastening anchoring means in boreholes, characterized in that the resin component, in order to improve the adhesion to different mineral substrates of the borehole, contains a reactive diluent mixture of at least one hydroxyalkyl (meth)acrylate and at least one acetoacetoxyalkyl (meth)acrylate. Furthermore, the use of the two-component mortar composition for chemically fastening anchoring means in boreholes of different mineral substrates is also described.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: July 3, 2007
    Assignee: Hilti Aktiengesellschaft
    Inventors: Thomas Buergel, Rainer Hettich, Armin Pfeil
  • Patent number: 7166670
    Abstract: The invention relates to two-component chemical fastening systems, the A-component containing an unsaturated polyester and a reactive diluent, and the B-component containing a peroxide and an extender, wherein the extender is either a monomeric component according to formula 1 (A—CH?CH—O)n—R ??(formula 1) or a resinous compound comprising, in a covalently built-in manner, a component having vinyl ether group(s), and the content of the peroxide in the B-component is from 0.5 to 99 wt. %. In the formula A, R and n are specified as hydrogen or C1-3 alkyl; C1-20 (hetero)-aliphatic with hydroxyl or amino groups, or poly(C2 or 3)glycol with 2–120 glycol units; and 1 to 4, respectively. The resinous compounds with built-in vinyl ether group(s) (0.5 to 50 wt.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: January 23, 2007
    Assignee: DSM IP Assets B.V.
    Inventors: Jan H Udding, Agnes E Wolters, Heinz Wilhelm, Armin Pfeil, Thomas Bürgel, Lutz Sager
  • Patent number: 7160951
    Abstract: The invention relates to peroxide compositions comprising a reactive diluent for the peroxide, wherein the diluent is either a component containing one or more vinyl ether group(s) and having a monomeric structure according to formula 1, (A—CH?CH—O)n—R, or is a suitable resinous compound comprising, in a covalently built-in manner, a component containing one or more vinyl ether group(s). In the formula A represents hydrogen or an alkyl group with 1–3 C atoms, and individual A groups may be different R either represents an aliphatic group, optionally branched, with 1–20 C atoms, etc. ?or represents a polyethylene or polypropylene glycol with 2 to 120 glycol units, etc. and n is 1, 2, 3 or 4.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: January 9, 2007
    Assignees: DSM IP Assets B.V., Hilti Aktiengesellschaft
    Inventors: Jan H Udding, Agnes E Wolters, Heinz Wilhelm, Armin Pfeil, Thomas Bürgel, Lutz Sager
  • Publication number: 20060045630
    Abstract: A two-component mortar composition is described with a curable resin component containing at least one free radical-polymerizable resin, fillers, reactive diluents, solvents, accelerators and/or further conventional mortar components and, separated therefrom to inhibit reaction, a curing agent component for chemically fastening anchoring means in boreholes, characterized in that the resin component, in order to improve the adhesion to different mineral substrates of the borehole, contains a reactive diluent mixture of at least one hydroxyalkyl (meth)acrylate and at least one acetacetoxyalkyl (meth)acrylate. Furthermore, the use of the two-component mortar composition for chemically fastening anchoring means in boreholes of different mineral substrates is also described.
    Type: Application
    Filed: July 21, 2005
    Publication date: March 2, 2006
    Inventors: Thomas Buergel, Rainer Hettich, Armin Pfeil
  • Publication number: 20050097850
    Abstract: A method is described for fastening anchoring means, especially anchor rods, reinforcing iron, etc. in solid substrates by introducing a curable mortar composition and the anchoring means into a borehole provided in the solid substrate and curing the mortar composition, the curing of the mortar composition being initiated or brought about by introducing microwave energy over the anchoring means into the borehole. Furthermore, a device is described for carrying out this method, the device having an adapter unit (1), which can be connected over a coaxial cable or a waveguide (2) with the microwave generator, and a collet chuck (3), for frictionally fixing the adapter unit to the anchoring means (4) and for passing microwave energy into the mortar composition (7) present in the borehole (5) of the solid substrate (6), and a shielding (8), surrounding the collet chuck (3).
    Type: Application
    Filed: August 31, 2004
    Publication date: May 12, 2005
    Inventors: Rainer Hettich, Thomas Buergel, Klaus Schaefers, Erich Leibhard
  • Patent number: 6815517
    Abstract: An at least two-component mortar composition is described, which can be cured by thermal initiation and contains at least one polymerizable monomer and/or at least one curable resin, at least one polymerization initiator for the polymerizable monomer and/or the curable resin and optionally at least one filler, wherein, as polymerization initiator, at least one organically substituted ammonium salt is contained as constituent of a mortar component and at least one inorganic persulfate is contained as constituent of a further mortar component, and which, after the mortar components are mixed in situ, results in an organically substituted ammonium persulfate, the nature and amount of organically substituted ammonium salt and inorganic persulfate as well as of polymerizable monomer or curable resin being selected so that a mortar composition results, which can be polymerized by free radical polymerization due to the action of heat, as well as a method for fastening tie rods, reinforcing steel for concrete or the
    Type: Grant
    Filed: July 1, 2002
    Date of Patent: November 9, 2004
    Assignee: Hilti Aktiengesellschaft
    Inventors: Thomas Bürgel, Marianne Böck
  • Patent number: 6533503
    Abstract: A mortar composition, curable by frontal polymerization after heat initiation, is described, wherein are contained a) at least one polymerizable monomer and/or at least one curable resin, b) at least one polymerization initiator, which can be activated and/or released thermally at a temperature above 30° C., for the polymerizable monomers and/or curing accelerator for the curable resin and c) optionally at least one filler, the nature and amount of polymerizable monomer or curable resin and polymerization initiator or curing accelerator being selected so that a polymerization front velocity of at least 10 cm/min results after the polymerization is initiated, as well as a method for fastening tie bars, reinforcing steel or the like in solid substrates.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: March 18, 2003
    Assignee: Hilti Aktiengesellschaft
    Inventors: Armin Pfeil, Thomas Bürgel, Massimo Morbidelli, Anny Rosell