Patents by Inventor Andreas Kramer

Andreas Kramer 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: 9212251
    Abstract: The present disclosure relates to impact strength modifiers, the derivative products thereof, and the use thereof in producing two-component epoxy resin compositions. The disclosure in particular relates to amino group terminated impact strength modifiers prepared by reacting a polyurethane prepolymer having isocyanate groups, a primary diamine, and optionally at least one Michael acceptor. The two-component epoxy resin compositions thus formulated are characterized by a great increase in impact strength while retaining an acceptable tensile shear strength. The impact strength modifiers according to the disclosure and the epoxy resin compositions comprising same are in particular suitable for vehicle manufacturing.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: December 15, 2015
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Karsten Frick, Jürgen Finter, Andreas Kramer, Ulrich Gerber
  • Publication number: 20150351161
    Abstract: A rear window of a motor vehicle includes a window pane body made of plastics and provided with a rear window heater. The window pane body includes grooves at at least one of its two large faces. The grooves are at least partially filled with a strip conductor, wherein the strip conductors form the rear window heater.
    Type: Application
    Filed: May 26, 2015
    Publication date: December 3, 2015
    Inventors: Andrea Kramer, Jörg Löffler, Kevin Zirnsak
  • Publication number: 20150344615
    Abstract: The present invention relates to curing agents for epoxy resins, containing at least one adduct of trimethylhexamethylenediamine and cresyl glycidyl ether. The curing agent has a low viscosity and cures quickly together with epoxy resins even in moist, cold conditions and without blushing to form films with a high hardness and surface quality, which scarcely undergo yellowing upon exposure to light. It is particularly suited for low-emission room temperature-curing coatings.
    Type: Application
    Filed: December 20, 2013
    Publication date: December 3, 2015
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Edis KASEMI, Andreas KRAMER, Ursula STADELMANN, Urs BURCKHARDT
  • Publication number: 20150344406
    Abstract: An amine which can be used in epoxy resin compositions that cure at room temperature. The amine dilutes the composition highly effectively, allows rapid, trouble-free curing, even in cold and damp conditions, and reduces brittleness. The amine is particularly suitable as a constituent of a curing agent for low-emission epoxy resin compositions that cure at room temperature, in particular for floor coverings.
    Type: Application
    Filed: December 20, 2013
    Publication date: December 3, 2015
    Applicant: Sika Technology AG
    Inventors: Edis KASEMI, Andreas KRAMER, Ursula STADELMANN, Urs BURCKHARDT
  • Publication number: 20150337076
    Abstract: The present invention relates to curing agents for epoxy resins, containing at least one adduct of a primary diamine and an aromatic monoepoxide, at least one primary diamine and at least one secondary diamine which is free of primary amino groups and free of hydroxyl groups. The curing agent is of low viscosity and cures, together with epoxy resins, rapidly and without blushing, even under damp, cold conditions, to form films of high hardness and low brittleness. It is particularly well suited for low-emission coatings that cure at room temperature.
    Type: Application
    Filed: December 20, 2013
    Publication date: November 26, 2015
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Edis KASEMI, Andreas KRAMER, Ursula STADELMANN, Urs BURCKHARDT
  • Patent number: 9157015
    Abstract: A condensation product of at least one (hydroxymethyl)phenol and at least one polyoxyalkylene diamine and a process for the preparation thereof and the use thereof in the curing of epoxy resin systems are described.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: October 13, 2015
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Juergen Finter, Ulrich Gerber, Edis Kasemi, Andreas Kramer
  • Publication number: 20150175548
    Abstract: The invention relates to dihydropyridine compounds as inhibitors of the notch signalling pathway and/or inhibitors of secretion for the treatment of secretion-dependent disease, such as cancer or senescence-related ageing, in addition to pharmaceutical compositions thereof and methods of treatment.
    Type: Application
    Filed: June 3, 2013
    Publication date: June 25, 2015
    Inventors: Christoph Kaether, Andreas Krämer
  • Publication number: 20150133603
    Abstract: The invention relates to low-viscosity polymers containing silane groups, the polymers curing rapidly under the effect of moisture to form an elastic material with good heat resistance and being in particular suitable for elastic adhesives and sealants. The polymers containing silane groups are based on special hydoxysilanes which carry a secondary OH group. They are in particular obtained by reacting epoxysilanes with secondary amines.
    Type: Application
    Filed: May 22, 2013
    Publication date: May 14, 2015
    Inventors: Andreas Kramer, Urs Burckhardt
  • Publication number: 20150126678
    Abstract: The invention relates to low-viscosity polymers containing silane groups, said polymers curing rapidly under the effect of moisture to form an elastic material with good heat resistance and being in particular suitable for elastic adhesives and sealants. The polymers containing silane groups are based on special hydroxysilanes which carry a secondary OH group. They are in particular obtained by reacting aminosilanes with specially substituted lactones.
    Type: Application
    Filed: May 22, 2013
    Publication date: May 7, 2015
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Andreas Kramer, Urs Burckhardt
  • Patent number: 9012575
    Abstract: The present invention relates to epoxy group-terminated polymers of the formula (I). Said epoxy group-terminated polymers are suited extremely well as impact resistance modifiers, particularly in epoxy resin compositions. They are particularly suited for use in heat-curing epoxy resin adhesives. It has been found that such epoxy resin compositions not only have excellent mechanical properties and high glass transition temperatures, but also above all improved impact resistance properties, both at room temperature and at low temperatures.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: April 21, 2015
    Assignee: Sika Technology AG
    Inventors: Jürgen Finter, Andreas Kramer
  • Publication number: 20140316080
    Abstract: The present invention relates to hardeners for epoxy resins, which contain secondary amino groups having pyridinyl groups. They harden surprisingly quickly together with epoxy resins even under cold and humid conditions and without producing blushing to give films with a high degree of hardness, the highest degrees of hardness being obtained with a surprisingly low amount of hardener required. They are especially suitable for low-emission coatings with high resistance requirements.
    Type: Application
    Filed: November 8, 2012
    Publication date: October 23, 2014
    Inventors: Andreas Kramer, Edis Kasemi
  • Publication number: 20140309334
    Abstract: The present invention relates to curing agents for epoxy resins including an alkylated polyethyleneimine. These curing agents have high functionality and a high content of secondary amino groups. Together with epoxy resins, they cure surprisingly quickly and without blushing effects even under humid and cold conditions to form films having very high cross-linking density. They are suited for coatings with high resistance requirements.
    Type: Application
    Filed: November 8, 2012
    Publication date: October 16, 2014
    Inventors: Andreas Kramer, Urs Burckhardt, Ursula Stadelmann, Edis Kasemi
  • Patent number: 8859695
    Abstract: A hem-curing epoxy resin composition, that includes an epoxy resin A having more than one epoxy group per molecule on average; a curing agent B for epoxy resins, which is activated at a temperature in a range of 100° C. to 220° C.; and an activator C for epoxy resin compositions, wherein activator C is a compound of formula (I), or is a reaction product between a compound of formula (Ia) and an isocyanate or an epoxide.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: October 14, 2014
    Assignee: Sika Technology AG
    Inventors: Karsten Frick, Ulrich Gerber, Juergen Finter, Andreas Kramer
  • Publication number: 20140275446
    Abstract: The present invention relates to hardeners for epoxy resins, which contain secondary aliphatic and primary aromatic amino groups. They harden surprisingly quickly together with epoxy resins even under cold and humid conditions and without blushing effects to give films with a high degree of hardness. They are especially suitable for coatings with high resistance requirements.
    Type: Application
    Filed: November 8, 2012
    Publication date: September 18, 2014
    Applicant: Sika Technology AG
    Inventors: Andreas Kramer, Edis Kasem
  • Patent number: 8829122
    Abstract: Novel impact strength modifiers which are obtained by reaction of amphiphilic block copolymers. These impact strength modifiers are suitable in particular for use in heat-curing epoxy resin adhesives. In particular, combinations of different impact strength modifiers are also suitable for use in heat-curing epoxy resin adhesives. Also disclosed are methods of bonding heat-stable substrates.
    Type: Grant
    Filed: April 16, 2009
    Date of Patent: September 9, 2014
    Assignee: Sika Technology AG
    Inventors: Andreas Kramer, Jurgen Finter, Karsten Frick, Jan Olaf Schulenburg
  • Publication number: 20140216655
    Abstract: Silanes of formula (I): or inorganic fillers whose surface is coated or derivatized with a silane of formula (I), are curing agents for epoxy resins that are activatable at elevated temperature. The thermosetting epoxy resin compositions allow a large reduction in the curing temperature without great impairment of their storage stability. They are therefore very well suited for single-component thermosetting epoxy adhesives, which in particular may contain impact modifiers.
    Type: Application
    Filed: April 7, 2014
    Publication date: August 7, 2014
    Applicant: SIKA TECHNOLOGY AG
    Inventor: Andreas KRAMER
  • Publication number: 20140163199
    Abstract: In a method of preparing polyalkyleneimines from alkyleneimines in the presence of a liquid solvent, and a catalyst, the preparing is effected semi-discontinuously in one reaction container. The preparing is optionally effected in the presence of further additives. Polyalkyleneimines obtained by such methods and formulations thereof likewise form part of the subject matter of the invention, especially those having a low proportion of chloride-containing compounds. Such polyalkyleneimines have uses in the field of medical technology, printing media, wastewater treatment, surface treatment, cosmetics, laundry detergents, biotechnology, packaging, electronics, paper, building construction chemistry, textiles, chromatography, ion exchangers, oil industry, ceramics, glass, membrane technology, catalysts, electroplating, biocides or wood protection.
    Type: Application
    Filed: December 9, 2013
    Publication date: June 12, 2014
    Applicant: BASF SE
    Inventors: Stephan HUEFFER, Andreas KRAMER, Frank DIETSCHE
  • Patent number: 8728271
    Abstract: Silanes of formula (I), or of substrates whose surface is coated or derivatized with a silane of formula (I), as a curing agent for epoxy resins which is activatable at elevated temperature. Such thermosetting epoxy resin compositions allow a large reduction in the curing temperature without great impairment of their storage stability.
    Type: Grant
    Filed: August 27, 2009
    Date of Patent: May 20, 2014
    Assignee: Sika Technology AG
    Inventor: Andreas Kramer
  • Publication number: 20140128506
    Abstract: The present invention concerns low-odor, low-viscosity hardeners for epoxy resins, including an amine with at least one amino group of formula (I) and an amine with at least one amino group of formula (II), wherein the amino groups of formulas (I) and (II) are present in a particular ratio. These hardeners harden quickly with epoxy resins and without blushing to form films of high hardness and good resistance. They are especially suitable for low-emission coatings.
    Type: Application
    Filed: July 9, 2012
    Publication date: May 8, 2014
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Andreas Kramer, Edis Kasemi
  • Patent number: D735889
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: August 4, 2015
    Assignee: Schmitz-Werke GmbH + Co. KG
    Inventor: Andreas Kramer