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Assignee: H. B. Fuller Company


Location: St.Paul, MN
No. of patents: 78

1    
NumberTitleIssue Date
6166123Reflective composition of particles with resinous binder and process for preparing same
A method of manufacturing powder coating compositions, the powder coating compositions, and cured coatings made from the coating compositions are described. The method of preparing the coating compositions comprises combining a preformulated thermally sof...
12/26/2000
5883217Film produced from a hot melt adhesive
The present invention relates to polyurethane hot melt adhesive that are hardened by the action of moisture and which contain at least one reaction product from a component that contains NCO groups and an essentially linear hydroxypolyester, hydroxypolyet...
03/16/1999
5459184Moisture-actuated hot melt adhesive
Hot melt adhesives of this invention can comprise a water-soluble polyalkylenimine, an hydroxy substituted organic compound, and optimally a plasticizer, a tackifier, and other ingredients. The adhesives are water actuated, and can be water activated, cle...
10/17/1995
5143255Hot melt adhesive container for use with heated platen dispensing equipment
The invention relates to containers for hot melt adhesives containing isocyanate compounds and to such containers used with heated platen dispensing equipment for the hot melt. More particularly, the invention relates to containers and dispensers for isoc...
09/01/1992
5138016Isocyanurate-free oxazolidone compound made from epoxy and a hindered isocyanate compound and a novel catalyst for their production
Significant improvements in the utility of oxazolidone and polyoxazolidone compounds and in their manufacture can be achieved using a novel catalyst in the reaction between a hindered isocyanate and an epoxy, forming oxazolidone ring structures. The novel...
08/11/1992
5135790Tear tape opening system
There is provided a tear tape opening system for packages constructed from a tearable substrate such as kraft paper, paperboard or corrugated board materials wherein the resulting tear line is substantially precisely defined with even tearing of the packa...
08/04/1992
5098757Tear tape opening system
A tear tape opening system is provided for establishing an opening in a package or carton formed of corrugated board wherein the corrugated board consists of an outside liner, an inside liner and a corrugating medium thereinbetween, wherein the outside li...
03/24/1992
5093393Starch-based corrugating adhesive having a polyvinyl alcohol component
A starch-based corrugating adhesive providing a controlled rate of viscosity increase and green bond formation comprising water, starch, caustic alkali, an active boron source, and polyvinyl alcohol having an intermediate degree of hydrolysis (about 92% t...
03/03/1992
5089548Hot-melt moisture indicator material for disposable articles
Polyester-based hot-melt moisture indicator material for disposable articles containing a polyester, a carboxylic acid and an acid-base indicator....
02/18/1992
5079067Formaldehyde containing resins having a low free formaldehyde
Formaldehyde containing resins used as curing, setting or crosslinking resins in a variety of natural product adhesives can be made with surprisingly low and novel levels of free formaldehyde, can be made using reactants that can remove free formaldehyde ...
01/07/1992
5071914Thermoplastic hot melt adhesive containing epoxy adduct
The adhesive properties of a hot melt adhesive, comprising a base polymer and a tackifying resin, can be improved by introducing into the hot melt adhesive an epoxy adduct comprising the reaction product between a compound such as a polymer having at leas...
12/10/1991
5034247Method of using a composition for wetting and encapsulating asbestos
A substantially nonthixotropic composition capable of minimizing the amount of airborne asbestos particles released during removal of asbestos from a structural unit and encapsulating the removed asbestos to permanently prevent the release of airborne asb...
07/23/1991
4990339Dermal treatment film
A water soluble dermal treatment film for dressing burns, surface wounds, cuts, scrapes, rashes or other dermal wound or lesion comprises a flexible sheet-like dressing made of polyalkyloxazoline. The dressing can have a structural layer and a pressure se...
02/05/1991
4965309Smoke suppressant compositions for halogen-containing plastics and methods of using
A smoke suppressant additive for plastics capable of reducing the smoke development of the plastic without significantly effecting the appearance or integrity of the plastic, comprising: (i) about 1 to 8 parts zinc present as an inorganic compound, (ii) a...
10/23/1990
4964939Labeling method employing starch-based adhesive formulation containing rosin composition
Aqueous starch-based adhesives for use in a variety of applications can be made alkali sensitive or can have enhanced cleanability under aqueous conditions....
10/23/1990
4933383Fast setting starch-based corrugating adhesive having fully hydrolyzed cold water insoluble polyvinyl alcohol component
Corrugating adhesives free of incompatibility problems with a fully hydrolyzed polyvinyl alcohol comprise a major portion of water, starch, strong base, a boric acid compound and a fully hydrolyzed water soluble polyvinyl alcohol composition....
06/12/1990
4890444Bonded fluted filter media to end cap
A fluted filter media to end cap bonding process and fluid filters formed by the bonding process. The process comprises coating at least one end cap and/or at least one fluted edge of the filter media with a bonding composition, contacting the end cap wit...
01/02/1990
4891269Bonding method employing thermally stable hot melt moisture-cure polyurethane adhesive composition
A one-package thermally stable hot melt pressure-sensitive moisture-cure polyurethane composition that can be extruded at elevated temperatures to form a hot melt glue line with very high green strength that can moisture-cure to a strong urethane adhesive...
01/02/1990
4842666Process for the permanent joining of stretchable threadlike or small ribbonlike elastic elements to a flat substrate, as well as use thereof for producing frilled sections of film or foil strip
The invention concerns a process for the permanent attachment or joining of threadlike or small ribbonlike elastic elements to a flat substrate by means of an adhesive that is characterized by the fact that one disposes, or fixes, in the desired position,...
06/27/1989
4826719Fast setting starch-based corrugating adhesive having fully hydrolyzed cold water insoluble polyvinyl alcohol component
Corrugating adhesive free of incompatibility problems with a fully hydrolyzed polyvinyl alcohol comprise a major portion of water, starch, strong base, a boric acid compound and a fully hydrolyzed water soluble polyvinyl alcohol composition....
05/02/1989
4820368Thermally stable reactive hot melt urethane adhesive composition having a thermoplastic polymer, a compatible, curing urethane polyalkylene polyol prepolymer and a tackifying agent
Hot melt adhesive compositions combining the characteristics of hot melt adhesives and reactive adhesives can be prepared by blending a thermoplastic polymer, having sufficient structural integrity to provide cohesive strength, with a urethane prepolymer ...
04/11/1989
4814039Substantially viscosity stable moisture-resistant corrugated board adhesive
Resin shock, the unwanted viscosity increase caused by the addition of certain reactive resins to boron containing alkaline starch-based corrugated board adhesives, can be reduced by the presence of compounds containing hydroxyl groups....
03/21/1989
4808255Thermally stable reactive hot melt urethane adhesive composition having a thermoplastic polymer, a compatible, curing urethane polyester polyol prepolymer and a tackifying agent
Reactive hot melt adhesive compositions combining the characteristics of hot melt adhesives and curing urethane adhesive can be prepared by blending an ethylene-vinyl monomer thermoplastic polymer having sufficient structural integrity to provide cohesive...
02/28/1989
4804414Starch-based adhesive formulation
Aqueous starch-based adhesives for use in a variety of applications can be made alkali sensitive or can have enhanced cleanability under aqueous conditions....
02/14/1989
4775719Thermally stable hot melt moisture-cure polyurethane adhesive composition
A one-package thermally stable hot melt pressure-sensitive moisture-cure polyurethane composition that can be extruded at elevated temperatures to form a hot melt glue line with very high green strength that can moisture-cure to a strong urethane adhesive...
10/04/1988
4769096Process of bonding fluted filter media to end caps
A fluted filter media to end cap bonding process. The process comprises coating at least one end cap and/or at least one fluted edge of the filter media with a bonding composition, contacting the end cap with the edge of the fluted filter media and curing...
09/06/1988
4743498Emulsion adhesive
A novel adhesive comprising an aqueous emulsion of a polymer comprising a vinyl monomer and an alkylacrylamidoglycolate alkyl ether monomer. The polymer in contact with randomly laid fibers can be heat curable at elevated temperature to form an intact non...
05/10/1988
4723658Reclosable carton
There is provided a carton and a blank therefor having top end flaps connected to the front, rear and side panels of the carton blank wherein a first top end flap connected to either the front or back panel of the carton blank is adapted to overlap a seco...
02/09/1988
4719261Hot melt adhesive for elastic banding and method for utlizing the same
A purpose of the disclosed method is to impart gathers and elasticity to a relatively inelastic film, membrane, or web substrate, through elastic banding with a viscoelastic hot melt pressure-sensitive adhesive (PSA). Typically, the resulting elastic-band...
01/12/1988
4714727Aqueous emulsion coating for individual fibers of a cellulosic sheet providing improved wet strength
A basic aqueous emulsion composition that can be used as a treatment for cellulosic sheets or articles made of cellulosic fibers to provide improved water resistance by forming a discrete coating on the individual fibers that make up the sheet while not s...
12/22/1987
4702496Book binding process involving primer adhesive containing starch
The present invention relates to an improved book-binding process comprising the use of an aqueous primer adhesive composition containing ungelatinized starch. A layer of the primer adhesive is coalesced to a resilient hinge by the application of a hot-co...
10/27/1987
4677145Fast setting starch-based corrugating adhesive having partially hydrolized water soluble polyvinyl alcohol component
Corrugating adhesives free of incompatibility problems with water soluble partially hydrolized polyvinyl alcohol comprise a major portion of water, starch, strong base, a boric acid compound and a partially hydrolized water soluble polyvinyl alcohol compo...
06/30/1987
4673698Fast setting starch-based corrugating adhesive having partially hydrolized water soluble polyvinyl alcohol component
Corrugating adhesives free of incompatibility problems with water soluble partially hydrolized polyvinyl alcohol comprise a major portion of water, starch, strong base, a boric acid compound and a partially hydrolized water soluble polyvinyl alcohol compo...
06/16/1987
4661532Coal tar containing foaming urethane composition and a method for repairing defects in structural components
Hydrophobic polyurethane compositions can be used to repair or fill-in surface defects in structural components. The hydrophobic composition can be packaged in two parts, a hydrophobic polyol part and a isocyanate part wherein the polyol part comprises a ...
04/28/1987
4608111Bonding method employing an adhesive which contains in an aqueous base an effective amount of a polyvinyl alcohol and a lignin sulfonate
An aqueous adhesive possessing sufficient adhesion, tack, open time, thermal stability, biological stability, dimensional stability, flexibility and adhesion contains in an aqueous base a polyvinyl alcohol and lignin sulfonate, wherein there are about 1 t...
08/26/1986
4585819Fusion adhesive which can comprise an isocyanate prepolymer, a thermoplastic polymer and/or a lower molecular weight ketone resin
The present invention relates to fusion adhesives characterized in that they comprise an isocyanate prepolymer, a thermoplastic polyurethane or polyester, and/or a lower molecular weight synthetic resin selected from the group consisting of ketone resins,...
04/29/1986
4574022Apparatus and method for transferring and applying material
An apparatus and method for transferring and applying discrete lengths of material to a moving web is disclosed. The material is supplied to a plurality of applicator units (41). Each applicator unit (41) has a first applicator segment (42) and a second a...
03/04/1986
4564649Polyvinyl alcohol and lignin sulfonate containing adhesive
An aqueous adhesive possessing sufficient adhesion, tack, open time, thermal stability, biological stability, dimensional stability, flexibility and adhesion contains in an aqueous base a polyvinyl alcohol and lignin sulfonate, wherein there are about 1 t...
01/14/1986
4543099Method for imparting elastic properties to a flexible substrate
A purpose of the disclosed method is to impart gathers and elasticity to a relatively inelastic film, membrane, or web substrate, through elastic banding with a viscoelastic hot melt pressure-sensitive adhesive (PSA). Typically, the resulting elastic-band...
09/24/1985
4536012Book binding process
A continuous book binding process and a book comprising a backbone made by the process. The process comprises forming a book block, applying a wet coating of a primer composition to the spine area of the block, thermally drying said coating to remove a su...
08/20/1985
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