Patents Assigned to Arch Timber Protection Limited
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Patent number: 11457630Abstract: The present invention provides a wood preservative formulation comprising an isothiazolone, an organic fungicidal timber decay preservative and an unsaturated carboxylic or sulphonic acid, salt or anhydride thereof. The formulations of the invention are surprisingly effective at protecting wood and other cellulosic substrates, in particular at providing prolonged protection against in-service surface staining. The invention also provides methods for treating wood and other cellulosic substrates with said formulations.Type: GrantFiled: November 17, 2016Date of Patent: October 4, 2022Assignee: Arch Timber Protection LimitedInventors: Paul Stuart Warburton, Lee MAson, Andrew Stewart Hughes
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Patent number: 9961895Abstract: The present invention relates to a wood preservative formulation comprising a biocidal agent which is a copper or zinc ion complexed with an amino compound selected from the group consisting of ammonia, a water soluble amine or alkanolamine and an aminocarboxylic acid and a stabilizer, as well as to aqueous treatment solutions comprising such a formulation and methods of treating wood or other cellulosic material utilising said formulation.Type: GrantFiled: May 19, 2017Date of Patent: May 8, 2018Assignee: ARCH TIMBER PROTECTION LIMITEDInventors: Kevin Hughes, Craig Mars, Andrew Hughes
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Patent number: 9603358Abstract: The present invention relates to a wood preservative formulation comprising a biocidal agent which is a copper or zinc ion complexed with an amino compound selected from the group consisting of ammonia, a water soluble amine or alkanolamine and an aminocarboxylic acid and a stabilizer, as well as to aqueous treatment solutions comprising such a formulation and methods of treating wood or other cellulosic material utilizing said formulation.Type: GrantFiled: May 2, 2014Date of Patent: March 28, 2017Assignee: ARCH TIMBER PROTECTION LIMITEDInventors: Kevin Hughes, Craig Andrew Mars, Andrew Hughes
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Patent number: 9023483Abstract: The present invention provides a method of protecting wood or other celiulosic material from decay by copper-tolerant fungi, and wood preservative formulations for use in the same. The wood preservative formulations comprise a biocidal metal compound, a 1,2,4-triazole and a didecyl quaternary ammonium cation. Didecyldimethyl quaternary ammonium compounds are particularly preferred.Type: GrantFiled: June 21, 2011Date of Patent: May 5, 2015Assignee: Arch Timber Protection LimitedInventors: Craig Andrew Mars, David Grindon Cantrell, Kevin Hughes, Andrew Stewart Hughes
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Publication number: 20140242404Abstract: The present invention relates to a wood preservative formulation comprising a biocidal agent which is a copper or zinc ion complexed with an amino compound selected from the group consisting of ammonia, a water soluble amine or alkanolamine and an aminocarboxylic acid and a stabilizer, as well as to aqueous treatment solutions comprising such a formulation and methods of treating wood or other cellulosic material utilising said formulation.Type: ApplicationFiled: May 2, 2014Publication date: August 28, 2014Applicant: ARCH TIMBER PROTECTION LIMITEDInventors: Kevin HUGHES, Craig Andrew MARS, Andrew HUGHES
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Publication number: 20130220486Abstract: Apparatus for forming incisions in a timber plank, comprises: at least two rotary incisors each comprising a plurality of circumferentially distributed teeth and arranged in use to rotate at the same rate to form respective patterns of incisions in a common face of a plank as it is moved past the incisors, said patterns having a predetermined longitudinal alignment between them; depth-controlling means arranged to maintain, for each incisor, a predetermined depth of penetration of the teeth thereof into the plank; means for adjusting said predetermined depths of penetration; and means for allowing adjustment of the incisors (double-arrow) to compensate for the altered spatial period in said patterns when the depths of penetration of the incisors are adjusted, thereby allowing said longitudinal alignment between the respective patterns to be maintained.Type: ApplicationFiled: March 21, 2011Publication date: August 29, 2013Applicant: ARCH TIMBER PROTECTION LIMITEDInventor: Peter W. Guggi
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Publication number: 20130209823Abstract: The present invention provides a method of protecting wood or other celiulosic material from decay by copper-tolerant fungi, and wood preservative formulations for use in the same. The wood preservative formulations comprise a biocidal metal compound, a 1,2,4-triazole and a didecyl quaternary ammonium cation. Didecyldimethyl quaternary ammonium compounds are particularly preferred.Type: ApplicationFiled: June 21, 2011Publication date: August 15, 2013Applicant: ARCH TIMBER PROTECTION LIMITEDInventors: Craig Andrew Mars, David Grindon Cantrell, Kevin Hughes, Andrew Stewart Hughes
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Publication number: 20130210873Abstract: The present invention provides a wood preservative formulation comprising an isothiazolone, an organic fungicidal timber decay preservative and an unsaturated carboxylic or sulphonic acid, salt or precursor thereof. The formulations of the invention are surprisingly effective at protecting wood and other cellulosic substrates, in particular at providing prolonged protection against in-service surface staining. The invention also provides methods for treating wood and other cellulosic substrates with said formulations.Type: ApplicationFiled: April 13, 2011Publication date: August 15, 2013Applicant: Arch Timber Protection LimitedInventors: Paul Stuart Warburton, Lee Mason, Andrew Stewart Hughes
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Patent number: 8435643Abstract: The present invention provides antisapstain compositions comprising a haloalkynyl compound, an azole and an unsaturated carboxylic or sulphonic acid. The compositions of the invention are surprisingly effective at protecting wood and other cellulosic substrates, in particular at providing antisapstain activity. The invention also provides methods for treating wood and other cellulosic substrates with said compositions.Type: GrantFiled: October 28, 2010Date of Patent: May 7, 2013Assignee: Arch Timber Protection LimitedInventors: Paul Stuart Warburton, Lee Mason, Andrew Stewart Hughes