Patents by Inventor Richard Alexander Evans
Richard Alexander Evans 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: 9250356Abstract: A photochromic polymer comprising at least two photochromic moieties linked by a straight or branched chain polymer selected from the group consisting of a homo-polyester, a co-polyester, and a co-polyester-polyether.Type: GrantFiled: May 21, 2012Date of Patent: February 2, 2016Assignee: Vivimed Labs Europe LtdInventors: Richard Alexander Evans, Nino Malic, Ian John Dagley
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Patent number: 9217812Abstract: A photochromic polymer comprising at least two photochromic moieties linked by a straight or branched chain polymer selected from the group consisting of poly(C2 to C4 alkylene oxide), poly[C1 to C10 alkoxy substituted (C2 to C4 alkylene oxide)] and poly[C1 to C-15 acyloxy substituted (C2 to C4 alkylene oxide)].Type: GrantFiled: May 2, 2012Date of Patent: December 22, 2015Assignee: Vivimed Labs Europe LTDInventors: Richard Alexander Evans, Nino Malic
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Patent number: 8993697Abstract: A polymer comprising a conducting or semiconducting segment coupled to a polymer segment having an insulating polymer backbone, the polymer further comprising a RAFT functional group coupled to the polymer segment, wherein there is no RAFT functional group in between the conducting or semiconducting segment and the polymer segment.Type: GrantFiled: June 28, 2013Date of Patent: March 31, 2015Assignee: Commonwealth Scientific and Industrial Research Institute OrganisationInventors: Ming Chen, Graeme Moad, Ezio Rizzardo, Richard Alexander Evans, Matthias Haeussler
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Patent number: 8865029Abstract: A photochromic polymer comprising at least one siloxane oligomer and at least two photochromic groups covalently linked to one or both terminuses of the siloxane oligomer and compositions containing photochromic siloxane polymers with narrow polydispersity. The photochromic polymer enhances switching speed in rigid host polymers.Type: GrantFiled: June 5, 2009Date of Patent: October 21, 2014Assignee: Vivimed Labs Europe Ltd.Inventors: Richard Alexander Evans, Nino Malic, Mark Robert York, Abdelselam Saeed Ali, Jonathan Andrew Campbell
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Patent number: 8795782Abstract: The present invention relates to a controllable polymeric surface coating including a macromolecule, which is covalently bound to the surface of a substrate, the macromolecule including a plurality of polymerization initiators and a plurality of surface binding groups. Pendant polymers may be grafted from at least some of the polymerization initiators.Type: GrantFiled: January 20, 2012Date of Patent: August 5, 2014Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Laurence Meagher, Helmut Thissen, Paul Pasic, Richard Alexander Evans, Graham Johnson
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Publication number: 20140042377Abstract: A photochromic polymer comprising at least two photochromic moieties linked by a straight or branched chain polymer selected from the group consisting of poly(C2 to C4 alkylene oxide), poly[C1 to C10 alkoxy substituted (C2 to C4 alkylene oxide)] and poly[C1 to C-15 acyloxy substituted (C2 to C4 alkylene oxide)].Type: ApplicationFiled: May 2, 2012Publication date: February 13, 2014Applicant: VIVIMED LABS EUROPE LTDInventors: Richard Alexander Evans, Nino Malic
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Publication number: 20140027684Abstract: A photochromic polymer comprising at least two photochromic moieties linked by a straight or branched chain polymer selected from the group consisting of a homo-polyester, a co-polyester, and a co-polyester-polyether.Type: ApplicationFiled: May 21, 2012Publication date: January 30, 2014Applicant: VIVIMED LABS EUROPE LTDInventors: Richard Alexander Evans, Nino Malic, Ian John Dagley
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Publication number: 20130289217Abstract: A polymer comprising a conducting or semiconducting segment coupled to a polymer segment having an insulating polymer backbone, the polymer further comprising a RAFT functional group coupled to the polymer segment, wherein there is no RAFT functional group in between the conducting or semiconducting segment and the polymer segment.Type: ApplicationFiled: June 28, 2013Publication date: October 31, 2013Inventors: Ming CHEN, Graeme MOAD, Ezio RIZZARDO, Richard Alexander EVANS, Matthias HAEUSSLER
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Patent number: 8501889Abstract: A polymer comprising a conducting or semiconducting segment coupled to a polymer segment having an insulating polymer backbone, the polymer further comprising a RAFT functional group coupled to the polymer segment, wherein there is no RAFT functional group in between the conducting or semiconducting segment and the polymer segment.Type: GrantFiled: June 25, 2009Date of Patent: August 6, 2013Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Ming Chen, Graeme Moad, Ezio Rizzardo, Richard Alexander Evans, Matthias Haeussler
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Publication number: 20120178165Abstract: The present invention relates to a controllable polymeric surface coating including a macromolecule, which is covalently bound to the surface of a substrate, the macromolecule including a plurality of polymerisation initiators and a plurality of surface binding groups. Pendant polymers may be grafted from at least some of the polymerisation initiators.Type: ApplicationFiled: January 20, 2012Publication date: July 12, 2012Applicant: Commonwealth Scientific and Industrial Research OrganisationInventors: Laurence Meagher, Helmut Thissen, Paul Pasic, Richard Alexander Evans, Graham Johnson
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Patent number: 8124188Abstract: The present invention relates to a controllable polymeric surface coating including a macromolecule, which is covalently bound to the surface of a substrate, the macromolecule including a plurality of polymerization initiators and a plurality of surface binding groups; and pendant polymers grafted from at least some of the polymerization initiators.Type: GrantFiled: August 17, 2007Date of Patent: February 28, 2012Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Laurence Meagher, Helmut Thissen, Paul Pasic, Richard Alexander Evans, Graham Johnson
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Publication number: 20110166298Abstract: A polymer comprising a conducting or semiconducting segment coupled to a polymer segment having an insulating polymer backbone, the polymer further comprising a RAFT functional group coupled to the polymer segment, wherein there is no RAFT functional group in between the conducting or semiconducting segment and the polymer segment.Type: ApplicationFiled: June 25, 2009Publication date: July 7, 2011Applicant: Commonwealth Scientific and Industrial OrganisationInventors: Ming Chen, Graeme Moad, Ezio Rizzardo, Richard Alexander Evans, Matthias Haeussler
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Publication number: 20110147681Abstract: A photochromic polymer comprising at least one siloxane oligomer and at least two photochromic groups covalently linked to one or both terminuses of the siloxane oligomer and compositions containing photochromic siloxane polymers with narrow polydispersity. The photochromic polymer enhances switching speed in rigid host polymers.Type: ApplicationFiled: June 5, 2009Publication date: June 23, 2011Applicant: ADVANCED POLYMERIK PTY LTDInventors: Richard Alexander Evans, Nino Malic, Mark Robert York, Abdelselam Saeed Ali, Jonathan Andrew Campbell
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Patent number: 7807075Abstract: The invention relates to a photochromic polymeric composition comprising a polymer matrix and a photochromic compound which is an adduct comprising a photochromic moiety and at least one pendant oligomer group to provide a rate of fade of the photochromic polymeric composition which is significantly changed when compared with the corresponding composition comprising the photochromic compound without said pendent oligomer. The invention also relates to a photochromic compound which is an adduct comprising a photochromic moiety and at least one pendent oligomer.Type: GrantFiled: July 10, 2007Date of Patent: October 5, 2010Assignee: Advanced Polymerik Pty LtdInventors: Richard Alexander Evans, Melissa Ann Skidmore, Lachlan Hartley Yee, Tracey Lee Hanley, David Andrew Lewis
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Photochromic Compounds Comprising Polymeric Substituents And Methods For Preparation And Use Thereof
Publication number: 20090093601Abstract: The present invention relates to a compound comprising a photochromic moiety and at least one substituent comprising a polymer chain having a carbon backbone and a plurality of functional moieties appended to the carbon backbone.Type: ApplicationFiled: September 2, 2005Publication date: April 9, 2009Applicant: POLYMERS AUSTRALIA PTY LIMITEDInventors: Richard Alexander Evans, Georgina Kate Such, Thomas Paul Davis, Nino Malic, David Andrew Lewis, Jonathan Andrew Campbell -
Patent number: 7288585Abstract: The instant invention discloses a composition, preferably a nanocomposite material, comprising (a) a synthetic polymer, (b) a filler such as for example a natural or synthetic phyllosilicate or a mixture of such phyllosilicates, preferably in nanoparticles, and (c) as dispersing agent a polymer based on a long chain alkyl meth(acryte).Type: GrantFiled: June 14, 2004Date of Patent: October 30, 2007Assignee: Ciba Specialty Chemicals Corp.Inventors: Graeme Moad, George Philip Simon, Katherine Maree Dean, Guoxin Li, Roshan Tyrrel Anton Mayadunne, Ezio Rizzardo, Richard Alexander Evans, Hendrik Wermter, Rudolf Pfaendner
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Patent number: 7247262Abstract: The invention related to a photochromic polymeric composition comprising a polymer matrix and a photochromic compound which is an adduct comprising a photochromic moiety and at least one pendant oligomer group to provide a rate of fade of the photochromic polymeric composition which is significantly changed when compared with the corresponding composition comprising the photochromic compound without said pendent oligomer. The invention also relates to a photochromic compound which is an adduct comprising a photochromic moiety and at least one pendent oligomer.Type: GrantFiled: May 3, 2005Date of Patent: July 24, 2007Assignee: Polymers Australia Pty Ltd.Inventors: Richard Alexander Evans, Melissa Ann Skidmore, Lachlan Hartley Yee, Tracey Lee Hanley, David Andrew Lewis
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Patent number: 6495643Abstract: The invention relates to compounds of the formulae: processes for their preparation, polymers, co-polymers or block co-polymers containing them or their use as monomers or co-monomers in free radical polymerization and in the manufacture of adhesives, dental composites or optical lenses.Type: GrantFiled: October 2, 2001Date of Patent: December 17, 2002Assignee: Commonwealth Scientific and Industrial Research OrganizationInventors: Richard Alexander Evans, Ezio Rizzardo, Graeme Moad
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Patent number: 6344556Abstract: The invention relates to compounds of the formulae: processes for their preparation, polymers, co-polymers or block co-polymers containing them or their use as monomers or co-monomers in free radical polymerisation and in the manufacture of adhesives, dental composites or optical lenses.Type: GrantFiled: December 10, 1998Date of Patent: February 5, 2002Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Richard Alexander Evans, Ezio Rizzardo, Graeme Moad
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Patent number: 6043361Abstract: The invention relates to compounds of the formulae: processes for their preparation, polymers, co-polymers or block co-polymers containing them or their use as monomers or co-monomers in free radical polymerisation and in the manufacture of adhesives, dental composites or optical lenses.Type: GrantFiled: August 26, 1997Date of Patent: March 28, 2000Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Richard Alexander Evans, Ezio Rizzardo, Graeme Moad