Patents Assigned to H. B. Fuller
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Patent number: 10787596Abstract: The invention includes a reactive hot melt adhesive composition including an isocyanate functional prepolymer derived from a polyfunctional isocyanate having a functionality of about 2 or more and a polyol, an active hydrogen organofunctional silane, an active hydrogen non-silane capping agent and a thermoplastic polymer.Type: GrantFiled: March 9, 2018Date of Patent: September 29, 2020Assignee: H. B. Fuller CompanyInventors: Sunil K. Pillalamarri, Thomas F. Kauffman
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Patent number: 9017783Abstract: The invention relates to a hot melt adhesive composition including an amorphous poly-alpha-olefin, an amorphous propylene/butene copolymer, a grafted polyethylene, and a wax. The hot melt adhesive composition can be used for bonding woven polypropylene substrates. The invention also provides an adhesive bonded woven polypropylene bag.Type: GrantFiled: April 20, 2007Date of Patent: April 28, 2015Assignee: H. B. Fuller CompanyInventors: Richard A. Miller, Andres I. Sustic
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Patent number: 8986831Abstract: A tape that includes a cellulosic substrate defining a first surface and an opposing second surface; a pressure sensitive adhesive disposed on the first surface of the cellulosic substrate; and an encapsulated fibrous material disposed on the first surface of the cellulosic substrate or the second surface of the cellulosic substrate.Type: GrantFiled: May 24, 2011Date of Patent: March 24, 2015Assignee: H. B. Fuller CompanyInventors: Dennis A. Bradshaw, Jorge A. Nash, Bruce J. Shreeve, Justine Hanlon
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Publication number: 20140234645Abstract: A reaction product and hot melt adhesive compositions that include the reaction product are disclosed. The reaction product includes the reaction product of a first polymer that includes at least one of polypropylene homopolymer and polypropylene-alpha-olefin copolymer, a first wax that includes at least one of polyethylene wax, Fischer Tropsch wax and paraffin wax, and a free radical initiator and has a viscosity of no greater than 12,000 centipoise at 177° C.Type: ApplicationFiled: February 15, 2013Publication date: August 21, 2014Applicant: H,B, Fuller CompanyInventor: H,B, Fuller Company
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Patent number: 8623480Abstract: A hot melt adhesive composition that includes a non functionalized amorphous poly alpha olefin polymer, a second polymer selected from the group including polypropylene homopolymers, polypropylene copolymers and combinations there of, a functionalized wax and a second wax.Type: GrantFiled: June 27, 2011Date of Patent: January 7, 2014Assignee: H. B. Fuller CompanyInventor: Kevin Davis
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Patent number: 8080488Abstract: A method of making a wound glass filament web, the method including forming a plurality of continuous glass filaments, winding the filaments on a drum, and contacting the filaments with an aqueous binder composition having a pH of at least 4.0 and including an aqueous carboxy functional polymer and a condensation catalyst.Type: GrantFiled: March 10, 2008Date of Patent: December 20, 2011Assignee: H. B. Fuller CompanyInventors: Stewart C. Anderson, Wayne P. Miller
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Patent number: 7816286Abstract: Disclosed is a thermoplastic composition that includes at least about 40% by weight a polyester and at least about 10% by weight a thermoplastic polymer that is different from the aforesaid polyester. The polyester includes at least one of an aliphatic-aromatic copolyester, a polylactic acid polyester, and a compound of an aliphatic-aromatic copolyester and a polylactic acid polyester. The thermoplastic polymer has a melt index of at least about 40 g/10 min, The thermoplastic composition has a melt index of at least about 10 g/10 min. Also disclosed are articles (e.g., wallpaper) that include a substrate and the thermoplastic composition disposed on the substrate.Type: GrantFiled: November 24, 2008Date of Patent: October 19, 2010Assignee: H. B. Fuller CompanyInventor: Sharf U. Ahmed
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Publication number: 20100209592Abstract: A liquid adhesive dispensing system operable for more uniformly applying liquid adhesive foam onto moving substrates, notwithstanding changes in line speed, adhesive liquid flow rates, or foaming/atomizing air pressures. The illustrated liquid adhesive system includes a header having a plurality of air atomizing spray guns; the spray guns each having a respective variable speed positive displacement pump for directing a metered quantity of liquid adhesive from a liquid adhesive supply to the respective spray gun; and a control for controlling the operating speed of the positive displacement pumps in relation to the speed of the moving substrate and the foaming/atomizing air pressure to the spray guns in relation to the operating speed of the positive displacement pumps. The control further is operable for monitoring pressures across the positive displacement pumps for insuring the accurate direction of metered quantities of liquid to the spray guns.Type: ApplicationFiled: April 30, 2010Publication date: August 19, 2010Applicants: Spraying Systems Co., H. B. Fuller CompanyInventors: Paul David WANTHAL, Mutombo J. Muvundamina, James Haruch
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Patent number: 7699826Abstract: This invention relates to a non-contact coating method for producing a continuous coating and articles constructed therefrom. This invention further relates to a method for producing a textile material with a moisture-impermeable barrier layer and to a method for producing a moisture-absorbing article of hygiene which has such a barrier layer. This invention particularly relates to a textile material and hygienic disposable articles comprising a body fluid impermeable barrier layer produced from said coating method. Preferably, the thermoplastic composition used in the method for producing the barrier layer exhibits certain rheological characteristics.Type: GrantFiled: May 1, 2003Date of Patent: April 20, 2010Assignee: H. B. Fuller CompanyInventors: Harald Werenicz, Thomas Wittkopf, Gerhard Voss, Peter Remmers, Mark G. Katsaros, Robert G. Polance, II, Mark S. Kroll
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Patent number: 7695809Abstract: The present invention relates to a method of preparing adhesive coated articles and cold seal bonded laminates therefrom. Specifically, it relates to a method wherein certain polychloroprene based adhesive compositions are used to form adhesive coated substrates that are non-blocking and pressure sealable at ambient temperature. In a preferred embodiment, the invention relates to a method for the preparation of coated substrates and articles that are particularly useful for the manufacture of medical packaging and tamper evident applications.Type: GrantFiled: September 30, 1999Date of Patent: April 13, 2010Assignee: H. B. Fuller CompanyInventors: Michael J. Maksymkiw, Yuduo Zhu, Michael J. Dochniak
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Publication number: 20060286290Abstract: A liquid adhesive dispensing system operable for more uniformly applying liquid adhesive foam onto moving substrates, notwithstanding changes in line speed, adhesive liquid flow rates, or foaming/atomizing air pressures. The illustrated liquid adhesive system includes a header having a plurality of air atomizing spray guns; the spray guns each having a respective variable speed positive displacement pump for directing a metered quantity of liquid adhesive from a liquid adhesive supply to the respective spray gun; and a control for controlling the operating speed of the positive displacement pumps in relation to the speed of the moving substrate and the foaming/atomizing air pressure to the spray guns in relation to the operating speed of the positive displacement pumps. The control further is operable for monitoring pressures across the positive displacement pumps for insuring the accurate direction of metered quantities of liquid to the spray guns.Type: ApplicationFiled: June 15, 2005Publication date: December 21, 2006Applicants: Spraying Systems Company, H. B. Fuller CompanyInventors: Paul Wanthal, Mutombo Muvundamina, James Haruch
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Patent number: 7138437Abstract: A composition comprising at least a part A and a part B is disclosed. The part A comprises at least one polyol and the part B comprises at least one isocyanate. At least one part further comprises at least one of the following: a strength enhancer having a softening point of from about 120° F. to about 400° F.; a non-reactive hydrophobic enhancer; and/or an impact absorption enhancer. These enhancers provide, among optional other benefits, enhanced pull strength. Additionally, a mass can be prepared by a method of combining part A with part B and applying the mixture to a void. The compositions may also be used in the repair of surface defects or for the reinforcement of structural members such as spike holes left after spike removal from railroad ties during road bed maintenance or repair.Type: GrantFiled: March 4, 2003Date of Patent: November 21, 2006Assignee: H. B. Fuller Licensing & Financing Inc.Inventors: Albert A. Giorgini, Charles J. Torborg
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Patent number: 7034075Abstract: The invention is directed to a low gloss powder coating composition comprising a first component (a) and a second component (b). The first component (a) comprises a mixture of (i) at least one glycidyl group-containing acrylic resin having epoxide equivalent weight of from about 250 to about 1500 and glass transition temperature of from about 30° C. to about 80° C.; and (ii) a curing agent. The second component (b) comprises at least one carboxyl-group containing material having acid number of from about 10 to about 300 and is not substantially compatible with the first component (a). The two components are dry-blended to obtain the powder coating composition.Type: GrantFiled: November 28, 2000Date of Patent: April 25, 2006Assignee: H. B. Fuller Licensing & Financing Inc.Inventors: Charles J. Torborg, Jeffrey G. Schmierer
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Patent number: 6926959Abstract: The invention is directed to a radiation curable adhesive composition comprising at least one vinyl modified block copolymer having a first polyvinyl aromatic block and a second polydiene block having vinyl functionality, and at least one tackifier. Optionally, the composition may comprises at least one second block copolymer that has not been vinyl modified, at least one platicizer, and at least one wax. The invention is also directed to a double-faced label formed from the composition and the method of producing said label.Type: GrantFiled: April 29, 2003Date of Patent: August 9, 2005Assignee: H. B. Fuller Licensing & Financing, Inc.Inventors: Mark S. Kroll, Margarita Acevedo, Janelle C. Cameron, Thomas F. Kauffman, Jeffrey S. Lindquist, Eugene R. Simmons, David B. Malcolm, Kathryn A. Coleman
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Patent number: 6844073Abstract: A hot melt moisture cure polyurethane adhesive composition includes at least one polyurethane prepolymer. The prepolymer includes the reaction product of a polyol component and a polyisocyanate component. The polyol component includes a) at least one amorphous polyester polyol comprising the reaction product of neopentyl glycol, hexanediol and at least one of phthalic anhydride and phthalic acid; b) at least one liquid polyester polyol having a viscosity of greater than about 10,000 cps at 80° C.; c) at least one crystalline polyester polyol having a melting point of from about 40° C. to about 120° C.; and d) at least one thermoplastic polyurethane.Type: GrantFiled: September 27, 2001Date of Patent: January 18, 2005Assignee: H. B. Fuller Licensing & Financing Inc.Inventors: Marietta B. Helmeke, Jorge A. Lavieri
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Patent number: 6797385Abstract: A powder coating composition for heat-sensitive substrates curable at a temperature of about 300° F. or below for about 30 minutes or less comprises a) from about 10-90% by weight, relative to a) plus b), of carboxylic acid-functional acrylic resin(s); b) from about 10-90% by weight, relative to a) plus b), of polyepoxy resin(s); c) a catalyst in an amount sufficient to cure the composition at a temperature of about 300° F. or below for about 30 minutes or less; and d) optionally, a flexiblizing agent.Type: GrantFiled: September 11, 2002Date of Patent: September 28, 2004Assignee: H. B. Fuller Licensing & Financing Inc.Inventors: Stephen C. Hart, Jeffrey G. Schmierer, Brian W. Carlson, Stephen C. Larson
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Patent number: 6765054Abstract: A hot melt adhesive composition that includes a first ethylene-vinyl acetate copolymer including from about 25% vinyl acetate to about 30% vinyl acetate based upon the weight of the first copolymer and having a melt index of no greater than 4 g/10 min, a second ethylene-vinyl acetate copolymer that includes no greater than about 28% vinyl acetate based upon the weight of the second copolymer and having a melt index of from about 400 g/10 min to about 2500 g/10 min, and hydrogenated petroleum hydrocarbon resin.Type: GrantFiled: June 17, 2002Date of Patent: July 20, 2004Assignee: H. B. Fuller Licensing & Financing Inc.Inventors: Cheryl A. Jones, Leonora Chernyak
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Patent number: 6696513Abstract: The invention relates to a capstock polymer composition comprising a blend of a melt extrudable acrylic polymer component; from 10% to 50% by weight of a halogen donor component; a halogen volatilisation component; and a char-inducing component which induces formation of a char upon application of flame to the composition.Type: GrantFiled: November 29, 2001Date of Patent: February 24, 2004Assignee: H. B. Fuller Coatings Ltd.Inventors: Nicholas Jason Welton, Keith Herbert Dodd
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Patent number: 6686414Abstract: The present invention relates to a crosslinked aqueous solution polymer composition consisting of about 15 wt-% to about 50 wt-% of at least one water soluble monomer, preferably an alpha, beta-ethylenically unsaturated carboxylic acid monomer and a crosslinking agent. The polymer solution is sufficiently low enough in viscosity such that it can be applied in aqueous form, yet after crosslinking possesses a fast rate of acquisition and is high absorption capacity. The invention also relates to new methods of enhancing the absorbency of various articles, increasing the humectancy and/or absorbency of a fiber or fibrous matrix, improving the water retention of soil and other agricultural methods, and increasing the open time of cement by incorporating or applying an aqueous superabsorbent polymer composition.Type: GrantFiled: April 13, 2000Date of Patent: February 3, 2004Assignee: H. B. Fuller Licensing & Financing Inc.Inventors: Stewart C. Anderson, Wayne P. Miller
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Patent number: 6660376Abstract: The present invention relates to a hot melt moisture cure adhesive composition well suited for bonding porous substrates such as fabric, methods of adhesively bonding substrates and corresponding articles. The adhesive composition exhibits a combination of flexibility, high green strength, low molten viscosity and high heat resistance. In view of these properties, the adhesive is particularly amendable to hot melt adhesive application techniques wherein small individual discrete deposits of adhesive are applied to a substrate. The adhesive composition prepolymer is preferably the reaction product of at least one polyol, at least one polyisocyanate and at least one high molecular weight thermoplastic polyurethane lacking hard segments.Type: GrantFiled: June 6, 2000Date of Patent: December 9, 2003Assignee: H. B. Fuller Licensing & Financing Inc.Inventors: John M. Zimmel, William L. Bunnelle, Brendon J. Kryzer