Patents Assigned to Adco Products, Inc.
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Patent number: 6642296Abstract: A lap edge sealant composition is provided for adhering together overlapping sheets of roofing material which includes a rubbery polymer such as EPDM, a thermoplastic rubber, a tackifier, and a solvent, where the solvent is selected from aliphatic hydrocarbons, para-chlorobenzotrifluoride, or blends thereof. The lap edge sealant has a high solids content of about 65 to 90%, a volatile organic compound (VOC) content of less than about 250 g/l, and exhibits no more than about 35% shrinkage upon curing.Type: GrantFiled: August 7, 2001Date of Patent: November 4, 2003Assignee: Adco Products, Inc.Inventor: Dennis Keith Fisher
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Patent number: 6498210Abstract: The silylated polyurethane polymer includes a polyurethane prepolymer having between greater than about 50 to about 95% of NCO groups terminated with silane capping agents. The polymer has an improved mechanical properties. The polymer can also have between about 5% to less than about 50% of the NCO groups terminated with low molecular weight terminators.Type: GrantFiled: July 13, 2000Date of Patent: December 24, 2002Assignee: Adco Products, Inc.Inventors: Xiaobin Wang, Scott D. Kubish, Brian J. Briddell
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Patent number: 6401925Abstract: The cure-through rate of one-part silylated polymer adhesive/sealant compositions is improved by the addition of a small but effective amount of an alcohol-free hydrophilic solvent. The composition is particularly suitable for packaging in aluminum or aluminum-lined cartridges.Type: GrantFiled: June 9, 2000Date of Patent: June 11, 2002Assignee: Adco Products, Inc.Inventors: Xiaobin Wang, Brian J. Briddell, Scott Kubish
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Patent number: 6297324Abstract: A cured adhesive tape composition for adhering together roofing materials such as synthetic EPDM rubber and which provides long term water tightness is provided. The adhesive composition includes a) a rubbery polymer comprising a blend of (i) from about 12% or less by weight of the total composition of an ethylene-propylene-diene terpolymer, (ii) a halogenated butyl rubber or a halogenated copolymer of p-methylstyrene and isobutylene, (iii) polyisobutylene, and (iv) a butyl terpolymer, and b) a compatible tackifier, and c) an accelerator/cure package for the rubbery polymer. The cured composition exhibits a peel strength of at least 1000 grams/cm at room temperature, at least 500 grams/cm at 70° C., and supports a static load of at least 300 grams at 70° C.Type: GrantFiled: March 31, 1995Date of Patent: October 2, 2001Assignee: Adco Products, Inc.Inventors: Brian Jonathon Briddell, Dennis Keith Fisher, James Fredrick Wood
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Patent number: 6291571Abstract: A lap edge sealant composition is provided for adhering together overlapping sheets of roofing material which includes a rubbery polymer such as EPDM, a thermoplastic rubber, a tackifier, and a solvent, where the solvent is selected from aliphatic hydrocarbons, para-chlorobenzotrifluoride, or blends thereof. The lap edge sealant has a high solids content of about 65 to 90%, a volatile organic compound (VOC) content of less than about 250 g/l, and exhibits no more than about 35% shrinkage upon curing.Type: GrantFiled: March 21, 2000Date of Patent: September 18, 2001Assignee: Adco Products, Inc.Inventor: Dennis Keith Fisher
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Patent number: 6124387Abstract: The cure-through rate of one-part silylated polymer adhesive/sealant compositions is improved by the addition of a small but effective amount of an alcohol-free hydrophilic solvent. The composition is particularly suitable for packaging in aluminum or aluminum-lined cartridges.Type: GrantFiled: December 22, 1998Date of Patent: September 26, 2000Assignee: Adco Products, Inc.Inventors: Xiaobin Wang, Brian J. Briddell, Scott Kubish
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Patent number: 6106941Abstract: A multi-component adhesive system for adhering polar surfaces to non-polar surfaces comprising: (a) a non-polar adhesive layer for bonding to a non-polar surface; and (b) polar adhesive layer bonded to said non-polar adhesive layer for bonding to a polar surface.Type: GrantFiled: July 29, 1998Date of Patent: August 22, 2000Assignee: Adco Products, Inc.Inventors: Dennis K. Fisher, James F. Wood, Stephen J. Eder
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Patent number: 6048579Abstract: A primer for promoting adhesion between an elastomeric adhesive and a nonporous substrate containing a silane-modified saturated polyester polymer and an adhesion promoter in an anhydrous solvent. The invention is also directed to a silane-modified saturated polyester polymer, and an adhesion promoter made by the reaction of a multifunctional isocyanate and an organosilane.Type: GrantFiled: September 15, 1999Date of Patent: April 11, 2000Assignee: Adco Products, Inc.Inventors: Xiaobin Wang, Brian J. Briddell
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Patent number: 6008305Abstract: A primer for promoting adhesion between an elastomeric adhesive and a nonporous substrate containing a silane-modified saturated polyester polymer and an adhesion promoter in an anhydrous solvent. The invention is also directed to a silane-modified saturated polyester polymer, and an adhesion promoter made by the reaction of a multifunctional isocyanate and an organosilane.Type: GrantFiled: June 30, 1998Date of Patent: December 28, 1999Assignee: Adco Products, Inc.Inventors: Xiaobin Wang, Brian J. Briddell
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Patent number: 5872203Abstract: A 100% solids polyurethane adhesive composition for bonding polymeric roofing materials to roof-deck substrates is provided which includes two components. The first component comprises a monomeric or polymeric diisocyanate, or a polyurethane prepolymer formed by the reaction of the monomeric or polymeric diisocyanate with a polyol. The second component comprises a polyol selected from the group consisting of a polyether or polyester polyol, an alkanolamine diol, a hydroxyl-terminated homopolymer of polybutadiene, and mixtures thereof. The first and second components are combined such that the ratio of isocyanate groups in the first component to the ratio of hydroxyl groups in the second component is from about 0.5:1 to 1.5:1.Type: GrantFiled: September 25, 1995Date of Patent: February 16, 1999Assignee: ADCO Products, Inc.Inventors: Wei-Jian Wen, Brian Jonathan Briddell, Kathleen Louise Lamb
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Patent number: 5863857Abstract: An adsorbent containing composition for use in an insulating glass unit is provided. The composition includes a depolymerized butyl rubber having a low viscosity average molecular weight which is a carrier for moisture and volatile organic chemical adsorbing materials. The composition is economical to produce and results in a composition which effectively desiccates a sealed insulating glass unit without the problem of chemical fogging.Type: GrantFiled: June 24, 1996Date of Patent: January 26, 1999Assignee: Adco Products, Inc.Inventors: Kathleen Louise Lamb, Brian Jonathan Briddell
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Patent number: 5527595Abstract: There is provided an adhesive system comprised of a pressure-sensitive adhesive matrix having dispersed therein organic particulate solids having a particle size no greater than 300 microns, and generally no greater than 225 microns, which matrix may have at least one, and generally two, sides coated with an unfilled pressure-sensitive adhesive material, which adhesive materials generally may be acrylic materials. Such adhesive system is one generally provided as a sheet, including elongated tapes, having a thickness of from about 25 to 60 mils.Type: GrantFiled: August 1, 1994Date of Patent: June 18, 1996Assignee: Adco Products, Inc.Inventors: Manuel Slovinsky, Jeffrey R. Tarizzo
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Patent number: 5385772Abstract: There is provided an adhesive system comprised of a pressure-sensitive adhesive matrix having dispersed. therein organic particulate solids having a particle size no greater than 300 microns, and generally no greater than 225 microns, which matrix may have at least one, and generally two, sides coated with an unfilled pressure-sensitive adhesive material, which adhesive materials generally may be acrylic materials. Such adhesive system is one generally provided as a sheet, including elongated tapes, having a thickness of from about 25 to 60 mils.Type: GrantFiled: February 19, 1991Date of Patent: January 31, 1995Assignee: Adco Products, Inc.Inventors: Manuel Slovinsky, Jeffrey R. Tarizzo, Dennis K. Fisher, Brian J. Briddell
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Patent number: 5368943Abstract: A silane-capped polyurethane block copolymer comprising at least one polyester block and at least one polyacrylate block is disclosed. The copolymer can be used in coatings, and is particularly useful as a primer coating, especially as a primer for non-porous surfaces to which adhesives will be applied.Type: GrantFiled: December 20, 1991Date of Patent: November 29, 1994Assignee: Adco Products, Inc.Inventors: Jamil Baghdachi, Cheryl Van Valkenburg
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Patent number: 5354600Abstract: A fortified pressure sensitive adhesive is comprised of a polymerization product of, or a polymeric composition derived from a formulation comprising at least one non-tertiary acrylic acid alkyl ester formed from a primary or secondary alcohol, an organofunctional silane, wherein said organofunctional silane is present in said formulation in an amount sufficient to increase the adhesive characteristics of the pressure sensitive adhesive, and an ethylenically-unsaturated dimer, wherein the ethylenically-unsaturated dimer is present in the formulation in an amount sufficient to increase the adhesive characteristics of the pressure sensitive adhesive.Type: GrantFiled: May 17, 1993Date of Patent: October 11, 1994Assignee: Adco Products, Inc.Inventors: Dennis K. Fisher, Brian J. Briddell, Stephen J. Eder
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Patent number: 5272224Abstract: A one-component, moisture-curable polyurethane-based adhesive composition useful for affixing glass panels directly to electrocoat painted metal substrates or over a primer comprises a polyurethane base polymer containing an electrocoat adhesion promoter. The sealant composition has fast cure times at ambient temperatures and forms a strong bond directly to electrocoat painted metal substrates without the need for a sealant primer.Type: GrantFiled: June 19, 1991Date of Patent: December 21, 1993Assignee: Adco Products, Inc.Inventors: Jamil Baghdachi, Keith H. Mahoney
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Patent number: 5242727Abstract: A cured adhesive tape composition for adhering together roofing materials such as synthetic EPDM rubber and which provides long term water tightness is provided. The adhesive composition includes substantially equal amounts by weight of a) a rubbery polymer comprising a blend of an ethylene-propylenediene terpolymer, a halogenated butyl rubber or a halogenated copolymer of p-methylstyrene and isobutylene, and polyisobutylene b) a compatible tackifier, and c) an accelerator/cure package for the rubbery polymer. The cured composition exhibits a peel strength of at least 715 grams/cm at room temperature, at least 300 grams/cm at 70.degree. C., and supports a static load of at least 300 grams at 70.degree. C.Type: GrantFiled: November 15, 1991Date of Patent: September 7, 1993Assignee: Adco Products, Inc.Inventors: Brian J. Briddell, Michael J. Hubbard
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Patent number: 5234987Abstract: A solvent-based adhesive composition for adhering together roofing materials, such as synthetic EPDM rubber sheets, which provides long term storage stability is provided. The adhesive composition includes a halogenated copolymer of isobutylene and p-methyl styrene, a thermoplastic rubber comprising a styrene-ethylene-butylene-styrene block copolymer, an endblock resin for the thermoplastic rubber, a tackifier, an accelerator/cure package, and a solvent. The cured composition exhibits a peel strength of at least 3.0 pounds per lineal inch at room temperature, at least 3.0 pounds per lineal inch at 212.degree. F., supports a static load of at least 0.67 pounds at 158.degree. F. for a minimum of 24 hours, and exhibits a viscosity increase of less than 1500 centipoise after aging at 130.degree. F. for six weeks.Type: GrantFiled: July 6, 1992Date of Patent: August 10, 1993Assignee: Adco Products, Inc.Inventors: Michael J. Hubbard, Brian J. Briddell, Dennis K. Fisher
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Patent number: 5183833Abstract: A pressure sensitive adhesive is prepared by the polymerization of an appropriate acrylic ester formulation of the type that includes an ethylenically unsaturated monomer having a polar group, and at least part of such polymerization is accomplished by photopolymerization using a source of ultraviolet radiation that provides a substantial portion of its ultraviolet radiation in the wavelength band of from about 280 to about 350 nm and a light intensity at the surface of the formulation being polymerized of no more than about 4.0 milliwatts/cm.sup.2.Type: GrantFiled: August 17, 1990Date of Patent: February 2, 1993Assignee: Adco Products Inc.Inventors: Dennis K. Fisher, Brian J. Briddell
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Patent number: RE37683Abstract: A cured adhesive tape composition for adhering together roofing materials such as synthetic EPDM rubber and which provides long term water tightness is provided. The adhesive composition includes substantially equal amounts by weight of a) a rubbery polymer comprising a blend of an ethylene-propylenediene terpolymer, a halogenated butyl rubber or a halogenated copolymer of p-methylstyrene and isobutylene, and polyisobutylene b) a compatible tackifier, and c) an accelerator/cure package for the rubbery polymer. The cured composition exhibits a peel strength of at least 715 grams/cm at room temperature, at least 300 grams/cm at 70° C., and supports a static load of at least 300 grams at 70° C.Type: GrantFiled: January 26, 2001Date of Patent: April 30, 2002Assignee: Adco Products, Inc.Inventors: Brian J. Briddell, Michael J. Hubbard