Patents by Inventor David P. Melody
David P. Melody 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).
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Patent number: 6828291Abstract: A composition including at least one solvent for cured product and at least one gelling or solidifying agent. The invention also provides a composition described above which is in the form of a soft solid, for example, in the form of a stick. A pack is also provided, comprising (i) a shaped mass of a composition, which includes at least one solvent for a cured product and at least one gelling or solidifying agent and a container (1) for the composition. The container (1) has a mechanism for expelling the shaped mass.Type: GrantFiled: November 15, 2002Date of Patent: December 7, 2004Assignee: Loctite (R&D) LimitedInventors: Brendan J. Kneafsey, John Guthrie, David P. Melody
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Publication number: 20030130150Abstract: A composition including at least one solvent for cured product and at least one gelling or solidifying agent. The invention also provides a composition described above which is in the form of a soft solid, for example, in the form of a stick. A pack is also provided, comprising (i) a shaped mass of a composition, which includes at least one solvent for a cured product and at least one gelling or solidifying agent and a container (1) for the composition. The container (1) has a mechanism for expelling the shaped mass.Type: ApplicationFiled: November 15, 2002Publication date: July 10, 2003Inventors: Brendan J Kneafsey, John Guthrie, David P Melody
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Patent number: 5610251Abstract: A one-part, air-activatable, polymerizable composition comprising:(a) at least one free-radically polymerizable monomer, and(b) an activator system for effective polymerization of the free-radically polymerizable monomer, said activator system comprising at least one auto-oxidizable compound of a formula which includes the structure I: ##STR1## where x is 0 or 1, and where the lines representing unfilled valencies indicate bonds to carbon, hydrogen or hetero atoms, alone or in combination with a weak acid;with the proviso that:when x=0, the nitrogen atom in structure I is not bonded to a second nitrogen atom;and when x=1 there is a structure I in the compound in which the >C.dbd.C>moiety does not form part of a phenyl ring;with the proviso that the composition does not contain a peroxide, or a peroxide precursor which produces peroxide in the absence of air or any ingredient which is a significant source of radicals in the absence of air.Type: GrantFiled: June 2, 1995Date of Patent: March 11, 1997Assignee: Loctite (Ireland) LimitedInventors: Brendan Kneafsey, John Guthrie, David P. Melody
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Patent number: 5523347Abstract: A one-part, air-activatable, polymerizable composition comprising:(a) at least one free-radically polymerizable monomer, and(b) an activator system for effective polymerization of the free-radically polymerizable monomer, said activator system comprising at least one auto-oxidizable compound of a formula which includes the structure I: ##STR1## where x is 0 or 1, and where the lines representing unfilled valencies indicate bonds to carbon, hydrogen or hetero atoms, alone or in combination with a weak acid;with the proviso that:when x=0, the nitrogen atom in structure I is not bonded to a second nitrogen atom;and when x=1 there is a structure I in the compound in which the >C.dbd.C< moiety does not form part of a phenyl ring;with the proviso that the composition does not contain a peroxide, or a peroxide precursor which produces peroxide in the absence of air or any ingredient which is a significant source of radicals in the absence of air.Type: GrantFiled: December 23, 1993Date of Patent: June 4, 1996Assignee: Loctite (Ireland) LimitedInventors: Brendan Kneafsey, John Guthrie, David P. Melody
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Patent number: 5068265Abstract: An anaerobic liquid acrylate sealant composition contains short portions of one or more types of fibre, particularly aramid fibre pulp, as a filler. A particulate filler such as fumed silica and/or micronized polyethylene may also be present. The composition suitably is based on a high proportion of monofunctional acrylate ester monomer, and a polyacrylate plasticiser. The composition is used for sealing joints in pipework where it is desired to seal the joint almost immediately but to allow adjustment of the joint for at least 24 hours.Type: GrantFiled: July 21, 1989Date of Patent: November 26, 1991Assignee: Loctite (Ireland) Ltd.Inventors: Tadhg E. Casey, David P. Melody
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Patent number: 4718966Abstract: Cyanoacrylate adhesive compositions which employ calixarene compounds as accelerators give substantially reduced fixture and cure times on de-activating substrates such as wood. The calixarene compounds are preferably employed at levels of about 0.1-1% by weight of the composition.The calixarene compounds particularly useful in this invention may be represented by the formula: ##STR1## where R.sup.1 is alkyl, alkoxy, substituted alkyl or substituted alkoxy; R.sup.2 is H or alkyl; and n=4, 6, or 8.Type: GrantFiled: October 2, 1986Date of Patent: January 12, 1988Assignee: Loctite (Ireland) Ltd.Inventors: Stephen J. Harris, M. Anthony McKervey, David P. Melody, John Woods, John M. Rooney
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Patent number: 4636539Abstract: Cyanoacrylate adhesive compositions which employ calixarene compounds as additives give substantially reduced fixture and cure times on de-activating substrates such as wood. The calixarene compounds are preferably employed at levels of about 0.1-1% by weight of the composition. The calixarene compounds particularly useful in this invention may be represented by the formula: ##STR1## where R.sup.1 is alkyl, alkoxy, substituted alkyl or substituted alkoxy; R.sup.2 is H or alkyl; and n=4, 6, or 8.The compositions are further characterized by a thickener component, which may suitably be selected from various polymers such as poly(methyl methacrylate), methacrylate type copolymers, acrylic rubbers, polyvinyl acetate and poly(.alpha.-cyanoacrylate) or silicas treated with polydialkylsiloxanes or trialkylsilanes.Type: GrantFiled: September 16, 1985Date of Patent: January 13, 1987Assignee: Loctite (Ireland) LimitedInventors: Stephen J. Harris, M. Anthony McKervey, David P. Melody, John Woods, John M. Rooney
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Patent number: 4556700Abstract: Cyanoacrylate adhesive compositions which employ calixarene compounds as additives give substantially reduced fixture and cure times on de-activating substrates such as wood. The calixarene compounds are preferably employed at levels of about 0.1-1% by weight of the composition.The calixarene compounds particularly useful in this invention may be represented by the formula: ##STR1## where R.sup.1 is alkyl, alkoxy, substituted alkyl or substituted alkoxy; R.sup.2 is H or alkyl; and n=4, 6 or 8.Type: GrantFiled: November 21, 1984Date of Patent: December 3, 1985Assignee: Loctite LimitedInventors: Stephen J. Harris, M. Anthony McKervey, David P. Melody, John Woods, John M. Rooney
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Patent number: 4533446Abstract: An anaerobic adhesive composition activatable by ultraviolet or visible radiation is disclosed which forms strong bonds with lapped surfaces and which is comprised of (a) an anaerobically polymerizable acrylate ester monomer, (b) a compound which decomposes upon exposure to ultraviolet or visible light radiation to release a strong acid, (c) a peroxy free radical initiator capable of initiating the polymerization of the monomer upon substantial exclusion of oxygen and (d) an activator of anaerobic polymerization which, in the presence of a strong acid, reacts with the peroxide initiator to produce free radicals to catalyze the anaerobic polymerization of the monomer.Type: GrantFiled: July 20, 1983Date of Patent: August 6, 1985Assignee: Loctite (Ireland) Ltd.Inventors: Paul Conway, David P. Melody, John Woods, J. Eisirt Casey, Bernard J. Bolger, Francis R. Martin
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Patent number: 4450030Abstract: An improved two-part adhesive composition comprising as a first part monomer-in-polymer polymerizable solution and a second part, an activator enriched in its N-phenyl-3,5-diethyl-2-propyl-1,2-dihydropyridine content. The content is enriched to a concentration of at least about 70% of the second part.Type: GrantFiled: November 21, 1983Date of Patent: May 22, 1984Assignee: Loctite CorporationInventors: David P. Melody, Seamus M. Grant, Francis R. Martin
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Patent number: 4430480Abstract: An improved two-part adhesive composition comprising as a first part monomer-in-polymer polymerizable solution and a second part, an activator enriched in its N-phenyl-3,5-diethyl-2-propyl-1,2-dihydropyridine content. The content is enriched to a concentration of at least about 70% of the second part.Type: GrantFiled: November 16, 1981Date of Patent: February 7, 1984Assignee: Loctite CorporationInventors: David P. Melody, Seamus M. Grant, Francis R. Martin
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Patent number: 4180640Abstract: Curable acrylate ester compositions having as an accelerator for the polymerization a hydrazine derivative of the formula R.sup.1 --HN--NH--CO--R.sup.2 and as a co-accelerator, an acid having a pK.sub.a of less than about 6. The compositions may optionally be formulated as two-part compositions with the non-ester-containing part being applied as a primer. Typical of the monomers are the polyalkylene glycol dimethacrylates and the so-called urethane acrylates. Polymerization is preferably initiated by a peroxy compound such as cumene hydroperoxide, such a composition having anaerobic curing characteristics.Type: GrantFiled: October 31, 1977Date of Patent: December 25, 1979Assignee: Loctite CorporationInventors: David P. Melody, Daniel A. Doherty, John F. O'Grady, Richard D. Rich