Patents by Inventor Sergio Grunder

Sergio Grunder 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: 20210032516
    Abstract: A polyurethane adhesive composition, more specifically a two-component polyurethane adhesive, including (a) at least one isocyanate component, and (b) at least one polyol component, wherein the polyol component (b) includes (bi) at least one first polyol compound, (bii) at least one second polyol compound and (biii) at least one chain extender, and a process for making the above adhesive composition.
    Type: Application
    Filed: February 20, 2019
    Publication date: February 4, 2021
    Inventors: Sergio Grunder, Stefan Schmatloch, Joel Kunz
  • Publication number: 20210009871
    Abstract: One-component toughened epoxy structural adhesives contain fibrous mineral fillers that have an aspect ratio of ?6. The presence of the fibrous filler leads to a significant increase in elastic modulus while having little if any adverse effect on other properties such as dynamic impact peel resistance.
    Type: Application
    Filed: September 29, 2020
    Publication date: January 14, 2021
    Inventors: FELIX KOCH, SERGIO GRUNDER, ANDREAS LUTZ
  • Publication number: 20200407611
    Abstract: A polyurethane adhesive composition, more specifically a two-component polyurethane adhesive, including (a) at least one isocyanate component, wherein the isocyanate component comprises (ai) at least one first polyisocyanate compound, and (aii) at least one second polyisocyanate compound having a functionality of greater than, or equal to, about 2.3; and (b) at least one polyol component; and a process for making the above adhesive composition.
    Type: Application
    Filed: February 21, 2019
    Publication date: December 31, 2020
    Inventors: Huang Wu, Sergio Grunder, Stefan Schmatloch, Joel Kunz
  • Publication number: 20200399513
    Abstract: Two-component polyurethane adhesives include a polyol component and a polyisocyanate component. The polyol component includes a high functionality polyether polyol and precipitated calcium carbonate particles having a particle size of up to 200 nm. The adhesive has an excellent combination of a prolonged open time followed by curing to form a strong adhesive bond.
    Type: Application
    Filed: February 21, 2019
    Publication date: December 24, 2020
    Inventors: Sergio Grunder, Stefan Schmatloch, Joel Kunz
  • Publication number: 20200181404
    Abstract: The invention is directed to a toughener for epoxy adhesives, the toughener comprising both soft and rubber units, and may be described as a capped soft-rubber PU toughener. The invention includes the tougheners and methods of making them, as well as adhesives comprising the inventive tougheners, methods of using the tougheners and adhesives comprising them, and cured inventive adhesives and products comprising them.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 11, 2020
    Inventors: ANDREAS LUTZ, DANIEL SCHNEIDER, SERGIO GRUNDER, BINDU KRISHNAN
  • Publication number: 20200131414
    Abstract: Disclosed are latent three-component polyurethane adhesive compositions which includes; (a) a first polyol component comprising (i) one or more polyols having a hydroxyl equivalent weight of 400 to 2000 and a nominal hydroxyl functionality of 2 to 4; (ii) one or more aliphatic diol chain extenders; (iii) from 0.01 to 1 weight percent, based on the total weight of the first polyol component, of one or more latent room temperature organometallic catalysts; and (iv) from 0.01 to 1 weight percent, based on the total weight of the first polyol component, of one or more one or more blocked cyclic amidine compound catalysts or one or more phenol-blocked cyclic amidine compounds catalysts; (b) a second polyol component comprising (i) one or more polyols having a hydroxyl equivalent weight of 400 to 2000 and a nominal hydroxyl functionality of 2 to 4; (ii) one or more aliphatic diol chain extenders; (iii) from 0.
    Type: Application
    Filed: June 13, 2018
    Publication date: April 30, 2020
    Applicant: DDP SPECIALTY ELECTRONICS MATERIALS US, INC.
    Inventors: Sergio Grunder, Stefan Schmatloch, Joel Kunz
  • Patent number: 10479916
    Abstract: Disclosed are latent two-part polyurethane adhesives that rapidly develop adhesive strength when cured by application of infrared radiation containing a polyol component which includes; one or more polyols having a hydroxyl equivalent weight of 400 to 2000 and a nominal hydroxyl functionality of 2 to 4; one or more aliphatic diol chain extenders; and one or more latent room temperature organometallic catalysts; b) a polyisocyanate component containing one or more polyisocyanate compounds; and v) a carboxylic acid-blocked cyclic amidine compound and vi) a phenol-blocked cyclic amidine compound which each may be located in the polyol component or the isocyanate component. Further disclosed are methods of bonding structures together using the latent two-part polyurethane adhesives.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: November 19, 2019
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Stefan Schmatloch, Joel Kunz, Sergio Grunder
  • Patent number: 10450486
    Abstract: A new polyurethane (PU) adhesive composition with encapsulated hardeners having unique properties in automotive related applications.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: October 22, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Sergio Grunder, Daniel Schneider, Stefan Schmatloch, Andreas Lutz
  • Patent number: 10414857
    Abstract: A curable resin system comprising 1) an epoxy component having a polyglycidyl ether of a polyphenol having an epoxy equivalent weight of up to about 190; and 2) a hardener component comprising polyethylene tetraamine mixture; wherein the epoxy component has a viscosity of less than 9000 mPa·s at 25° C.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: September 17, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Timothy A. Morley, Rainer Koeniger, Sergio Grunder, Sylvie Vervoort, Nebojsa Jelic
  • Publication number: 20180258329
    Abstract: One-component toughened epoxy structural adhesives contain fibrous mineral fillers that have an aspect ratio of ?6. The presence of the fibrous filler leads to a significant increase in elastic modulus while having little if any adverse effect on other properties such as dynamic impact peel resistance.
    Type: Application
    Filed: August 31, 2016
    Publication date: September 13, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Felix Koch, Sergio Grunder, Andreas Lutz
  • Publication number: 20180251633
    Abstract: The invention is directed to a toughener for epoxy adhesives, the toughener comprising both soft and rubber units, and may be described as a capped soft-rubber PU toughener. The invention includes the tougheners and methods of making them, as well as adhesives comprising the inventive tougheners, methods of using the tougheners and adhesives comprising them, and cured inventive adhesives and products comprising them.
    Type: Application
    Filed: September 6, 2016
    Publication date: September 6, 2018
    Inventors: Andreas Lutz, Daniel Schneider, Sergio Grunder, Bindu Krishnan
  • Patent number: 10023686
    Abstract: A two-component curable epoxy resin system having an epoxy component containing a unique combination of two or more epoxy resins with at least one of the epoxy resins being an epoxy novolac type resin. The composite made from such resin system exhibits high glass transition temperature.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: July 17, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Timothy A. Morley, Rainer Koeniger, Sergio Grunder, Nebojsa Jelic, Rolf Hueppi
  • Patent number: 10023687
    Abstract: The invention relates to curable epoxy resin systems comprising polyethylene tetraamine and a tin catalyst as hardening agents, and optionally comprising 1,4-diaza[2.2.2]bicyclo octane. The invention also relates to articles made therefrom, including composites such as carbon fiber reinforced composites. The curable epoxy resins have rapid demold times and/or high glass temperature.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: July 17, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Sergio Grunder, Timothy A. Morley, Rainer Koeniger, Nebojsa Jelic
  • Publication number: 20180179319
    Abstract: Disclosed are latent two-part polyurethane adhesives that rapidly develop adhesive strength when cured by application of infrared radiation containing a polyol component which includes; one or more polyols having a hydroxyl equivalent weight of 400 to 2000 and a nominal hydroxyl functionality of 2 to 4; one or more aliphatic diol chain extenders; and one or more latent room temperature organometallic catalysts; b) a polyisocyanate component containing one or more polyisocyanate compounds; and v) a carboxylic acid-blocked cyclic amidine compound and vi) a phenol-blocked cyclic amidine compound which each may be located in the polyol component or the isocyanate component. Further disclosed are methods of bonding structures together using the latent two-part polyurethane adhesives.
    Type: Application
    Filed: June 14, 2016
    Publication date: June 28, 2018
    Inventors: Stefan Schmatloch, Joel Kunz, Sergio Grunder
  • Publication number: 20170204300
    Abstract: A new polyurethane (PU) adhesive composition with encapsulated hardeners having unique properties in automotive related applications.
    Type: Application
    Filed: July 29, 2015
    Publication date: July 20, 2017
    Applicant: Dow Europe GmbH
    Inventors: Sergio Grunder, Daniel Schneider, Stefan Schmatloch, Andreas Lutz
  • Patent number: 9688807
    Abstract: A two-component curable epoxy resin system is disclosed. The resin system includes an epoxy resin component containing at least 80% by weight of a polyglycidyl ether of a polyphenol. The system also includes a hardener mixture containing mainly polyethylene tetraamines. The system includes one or more of i) alkali metal salts, ii) carboxylic acid-, carboxylic anhydride- or carboxylic acid ester-substituted phenol compounds, iii) an amino as a catalyst. The system has beneficial curing characteristics that make it useful for producing fiber-reinforced composites in a resin transfer molding process.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: June 27, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Sergio Grunder, Rainer Koeniger, Timothy A. Morley, Nebjosa Jelic, Martin Reimers, Peter Cate
  • Publication number: 20170114180
    Abstract: The invention relates to curable epoxy resin systems comprising polyethylene tetraamine and a tin catalyst as hardening agents, and optionally comprising 1,4-diaza[2.2.2]bicyclo octane. The invention also relates to articles made therefrom, including composites such as carbon fiber reinforced composites. The curable epoxy resins have rapid demold times and/or high glass temperature.
    Type: Application
    Filed: July 14, 2015
    Publication date: April 27, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Sergio Grunder, Timothy A. Morley, Rainer Koeniger, Nebojsa Jelic
  • Publication number: 20160376398
    Abstract: A curable resin system comprising 1) an epoxy component having a polyglycidyl ether of a polyphenol having an epoxy equivalent weight of up to about 190; and 2) a hardener component comprising polyethylene tetraamine mixture; wherein the epoxy component has a viscosity of less than 9000 mPa·s at 25° C.
    Type: Application
    Filed: March 17, 2015
    Publication date: December 29, 2016
    Applicants: Dow Europe GmbH, Dow Benelux B.V.
    Inventors: Timothy A. Morley, Rainer Koeniger, Sergio Grunder, Sylvie Vervoort, Nebojsa Jelic
  • Publication number: 20160347903
    Abstract: A two-component curable epoxy resin system having an epoxy component containing a unique combination of two or more epoxy resins with at least one of the epoxy resins being an epoxy novolac type resin. The composite made from such resin system exhibits high glass transition temperature.
    Type: Application
    Filed: February 2, 2015
    Publication date: December 1, 2016
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Timothy A. Morley, Rainer Koeniger, Sergio Grunder, Nebojsa Jelic, Rolf Hueppi
  • Patent number: 9321880
    Abstract: A two-component curable epoxy resin system is disclosed. The resin system includes an epoxy resin component containing at least 80% by weight of a polyglycidyl ether of a polyphenol. The system also includes an hardener mixture containing mainly polyethylene tetraamines. The system include triethylene diamine in specific amounts as a catalyst. The system has beneficial curing characteristics that make it useful for producing fiber-reinforced composites in a resin transfer molding process.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: April 26, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Sergio Grunder, Rainer Koeniger, Timothy A. Morley, Nebjosa Jelic, Sylvie Vervoort, Martin Reimers, Peter Cate