Patents Assigned to H. B. Fuller Company
  • Patent number: 11891496
    Abstract: The present invention relates to a curable cyanoacrylate composition comprising (i) at least one cyanoacrylate monomer, and (ii) at least one free radical stabilizer, wherein the free radical stabilizer is non-hazardous and shows good compatibility to the cyanoacrylate but does not impair the reactivity of the cyanoacrylate and its performance after curing.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: February 6, 2024
    Assignee: H.B. Fuller Company
    Inventors: Lars P. Hoyer, Wolfgang Wittwer
  • Patent number: 11845886
    Abstract: A moisture curable polyurethane hot melt adhesive composition and a process for making the same are disclosed. The moisture curable polyurethane hot melt adhesive composition includes an isocyanate-terminated polyurethane prepolymer that is the reaction product of a diisocyanate monomer component that includes at least 20% by weight asymmetrical diisocyanate monomer based on the weight of the diisocyanate monomer component and symmetrical diisocyanate monomer, at least one polyol having a number average molecular weight greater than 1000 g/mole, a monofunctional compound that includes one isocyanate-reactive group and has a molecular weight no greater than 400 g/mole, and a multifunctional compound that includes at least two isocyanate-reactive groups and has a molecular weight no greater than 400 g/mole.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: December 19, 2023
    Assignee: H.B. Fuller Company
    Inventors: Brian W. Carlson, Sudipto Das, Daniel J. Van Dyke, Matthias E. Gurr, Rituparna Paul
  • Patent number: 11826995
    Abstract: The paper reinforced tapes and reinforcement elements of this invention have improved repulpability, recyclability, compostability and biodegradability. Further, these reinforcement elements and paper reinforced tapes, despite being predominately paper, unexpectedly provide excellent container reinforcement properties and further can be used as opening tapes, closing tapes, tear tapes and carrying handles.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: November 28, 2023
    Assignee: H.B. Fuller Company
    Inventors: Michael J. Nowak, Cynthia A. Stewart-Irvin, Patrick D. Gleason
  • Patent number: 11820209
    Abstract: This invention is directed to a structure and a method of sealing the structure as it is manufactured. The method uses a combination of thermoplastic sealants in the form of films and a substrate encapsulated tape.
    Type: Grant
    Filed: October 7, 2022
    Date of Patent: November 21, 2023
    Assignee: H.B. Fuller Company
    Inventors: Craig A. Erichsen, Jonathon O. Cordell
  • Patent number: 11802226
    Abstract: A thin self-supporting adhesive film is claimed that includes a first polyurethane and a solid surface-deactivated isocyanate.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: October 31, 2023
    Assignee: H.B. Fuller Company
    Inventors: Felix D. Mai, Brian W. Carlson
  • Patent number: 11794463
    Abstract: A system for cutting a web material and applying the web material on a substrate. The system comprises a feed roll configured to advance a web material. The system includes an anvil roll configured to receive the web material from the feed roll and provide a section of web material having a defined length. The system includes a cutting element configured to cut the web material to form the section of web material. The anvil roll is configured such that the anvil roll surface advances at an anvil roll surface speed. The feed roll is configured to rotate at a first feed roll surface speed that is slower than the anvil roll surface speed and a second feed roll surface speed that is substantially the same as the anvil roll surface speed when the cutting element cuts the web material.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: October 24, 2023
    Assignee: H.B. Fuller Company
    Inventors: Jorge A. Nash, Orion A. Cavins
  • Patent number: 11732166
    Abstract: A moisture curable hot melt adhesive composition that includes isocyanate-terminated polyurethane prepolymer that includes the reaction product of a crystalline polyester polyol, a polyether polyol, and diisocyanate, clay, polyester/polyether elastomer, a first thermoplastic polymer selected from the group consisting of ethylene vinyl acetate copolymer, ethylene (alkyl)acrylate copolymer, and combinations thereof, a tackifying agent, and optionally a second thermoplastic polymer selected from the group consisting of thermoplastic polyurethane, thermoplastic polycaprolactone, and combinations thereof.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: August 22, 2023
    Assignee: H.B. Fuller Company
    Inventors: Kellen E. O'Brien, Marlen A. Valverde, Chao Wang, Chue Moua
  • Patent number: 11725127
    Abstract: A hot melt moisture cure adhesive composition that includes a polyurethane prepolymer that includes the reaction product of diisocyanate, a polyester triol first polyol, a crystalline polyester second polyol, and a third polyol different from the first and second polyols.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: August 15, 2023
    Assignee: H.B. Fuller Company
    Inventor: Marietta B. Helmeke
  • Patent number: 11674008
    Abstract: The invention features a hot melt composition in the form of a film including from 40% by weight to 80% by weight of a non-functionalized alkyl acrylate, from 14% by weight to 50% by weight of an olefin polymer, from 2% by weight to 15% by weight of a first functionalized polymer comprising a functional group selected from the group consisting of epoxides and carboxylic anhydrides, and from 2% by weight to 15% by weight of a second functionalized polymer comprising a functional group capable of reacting with the functional group of the first functionalized polymer. The hot melt composition in the form of a film has found utility as an encapsulant for thin film photovoltaic modules.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: June 13, 2023
    Assignee: H.B. Fuller Company
    Inventors: Luke A. Strzegowski, Jayesh G. Bokria
  • Patent number: 11667816
    Abstract: The invention features hot melt adhesive compositions including from 50% by weight to 95% by weight of a non-single site catalyzed amorphous poly alpha-olefin copolymer derived from propylene and at least one monomer selected from the group consisting of butene and hexene and having a viscosity of no greater 10,000 cP at 190° C. and from 5% by weight to 45% by weight of a polybutene-1 polymer.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: June 6, 2023
    Assignee: H.B. Fuller Company
    Inventors: Thomas F. Kauffman, Steven R. Vaughan, Yiming Zeng
  • Patent number: 11594773
    Abstract: A battery module comprising an electric cell and a potting compound associated with the electric cell. The potting compound is formed of a flame retardant component; a first component having an isocyanate reactive compound and water; and a second component having an isocyanate compound. The potting compound is a foam.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: February 28, 2023
    Assignee: H.B. Fuller Company
    Inventor: Albert M. Giorgini
  • Patent number: 11584858
    Abstract: The present invention discloses a dry powder composition comprising a thermosetting resin in particulate form, wherein the dry powder composition has a particle size measured according to ISO 13320 (2009) characterized by a Dv90 of 50 ?m or lower, a Dv50 in the range of 5.1 to 12.5 ?m, and a ratio of Dv ? ? 90 - Dv ? ? 10 Dv ? ? 50 in the range of 1.5 to 4.2. The present invention also discloses processes for preparing the dry powder using jet milling, and processes of applying the dry powder composition to a metal surface. Furthermore, the present invention discloses the uses of the dry powder composition as a bonding material or as an adhesion promoter in a polymer compound.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: February 21, 2023
    Assignee: H.B. Fuller Company
    Inventors: Geoffrey D. Hatch, Andrew Carr
  • Patent number: 11555011
    Abstract: Process for the production of methylidene malonates and cyanoacrylates employing in-situ formed iminium salts derived from acid halides and/or acid anhydrides and N,N,N?,N?-tetra hydrocarbyl diaminoalkanes, the acid halides and/or acid anhydrides being present in a molar excess relative to the diaminoalkanes, as co-reactants with select malonic acid esters and cyanoacetates, respectively.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: January 17, 2023
    Assignee: H.B. Fuller Company
    Inventors: Vijaya Bhasker Gondi, John Gregory Reid
  • Patent number: 11466186
    Abstract: A moisture curable hot melt sealant composition that includes a silane-modified polyurethane polymer that is free of isocyanate groups, a first rosin-based tackifying agent, a second tackifying agent different from the first rosin-based tackifying agent, a first ethylene vinyl acetate copolymer, a butene component having a weight average molecular weight from 30,000 g/mole to 700,000 g/mole and being selected from the group consisting of polyisobutylene, polyisobutene, polybutene, and combinations thereof; and filler.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: October 11, 2022
    Assignee: H.B. Fuller Company
    Inventors: Marietta B Helmeke, Claudia Mosanu
  • Patent number: 11387511
    Abstract: A battery module comprising an electric cell and a potting compound associated with the electric cell. The potting compound is formed of a flame retardant component; a first component having an isocyanate reactive compound and water; and a second component having an isocyanate compound. The potting compound is a foam.
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: July 12, 2022
    Assignee: H.B. Fuller Company
    Inventor: Albert M. Giorgini
  • Patent number: 11242470
    Abstract: The invention includes a hot melt adhesive composition including an olefin polymer and a high melt point hydrocarbon tackifying agent, such compositions unexpectedly provide improved bonding between the layers found in a disposable absorbent article. In particular, such compositions improve the bond between the nonwoven top sheet and the acquisition distribution layer.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: February 8, 2022
    Assignee: H.B. Fuller Company
    Inventors: Steven R. Vaughan, Kevin P. Davis, Thomas Wittkopf, Peter Remmers, Seth Urtel
  • Patent number: 11161332
    Abstract: A system for cutting a web material and applying the web material on a substrate. The system comprises a feed roll configured to advance a web material. The system includes an anvil roll configured to receive the web material from the feed roll and provide a section of web material having a defined length. The system includes a cutting element configured to cut the web material to form the section of web material. The anvil roll is configured such that the anvil roll surface advances at an anvil roll surface speed. The feed roll is configured to rotate at a first feed roll surface speed that is slower than the anvil roll surface speed and a second feed roll surface speed that is substantially the same as the anvil roll surface speed when the cutting element cuts the web material.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: November 2, 2021
    Assignee: H.B. Fuller Company
    Inventors: Jorge A. Nash, Orion A. Cavins
  • Patent number: 11124683
    Abstract: The present invention relates to a process for preparing a reactive hotmelt adhesive formulation having a low residual content of monomeric diisocyanate. The present invention further provides a reactive hotmelt adhesive composition obtainable by the process of the invention.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: September 21, 2021
    Assignee: H.B. Fuller Company
    Inventors: Haythem Bennour, Annett Linemann
  • Patent number: 11114719
    Abstract: A battery module comprising an electric cell and a potting compound associated with the electric cell. The potting compound is formed of a flame retardant component; a first component having an isocyanate reactive compound and water; and a second component having an isocyanate compound. The potting compound is a foam.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: September 7, 2021
    Assignee: H.B. Fuller Company
    Inventor: Albert M. Giorgini
  • Patent number: 10968371
    Abstract: A moisture curable hot melt sealant composition that includes a silane-functional polyurethane that is free of isocyanate groups, a thermoplastic elastomer having a weight average molecular weight of at least 100,000 grams per mole and being derived from 0% by weight to no greater than 30% by weight styrene, based on the weight of the thermoplastic elastomer, the thermoplastic elastomer being selected from the group consisting of butyl rubber, ethylene-propylene rubber, ethylene-propylene diene rubber, thermoplastic polyolefin elastomer, styrene block copolymer, and combinations thereof, a first tackifying agent that includes from 0% by weight to less than 15% by weight aromaticity based on the weight of the tackifying agent, the first tackifying agent being selected from the group consisting of aliphatic tackifying agent, aromatic-modified aliphatic tackifying agent, cycloaliphatic tackifying agent, aromatic-modified cycloaliphatic tackifying agent, and combinations thereof, a liquid butene component selecte
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: April 6, 2021
    Assignee: H.B. Fuller Company
    Inventors: Claudia Mosanu, Marietta B. Helmeke