Patents by Inventor Andrew Mar

Andrew Mar 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).

  • Additives for use in wood preservation
    Patent number: 9603358
    Abstract: 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: Grant
    Filed: May 2, 2014
    Date of Patent: March 28, 2017
    Assignee: ARCH TIMBER PROTECTION LIMITED
    Inventors: Kevin Hughes, Craig Andrew Mars, Andrew Hughes
  • Wood preservative compositions useful for treating copper-tolerant fungi
    Patent number: 9023483
    Abstract: 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: Grant
    Filed: June 21, 2011
    Date of Patent: May 5, 2015
    Assignee: Arch Timber Protection Limited
    Inventors: Craig Andrew Mars, David Grindon Cantrell, Kevin Hughes, Andrew Stewart Hughes
  • ADDITIVES FOR USE IN WOOD PRESERVATION
    Publication number: 20140242404
    Abstract: 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: Application
    Filed: May 2, 2014
    Publication date: August 28, 2014
    Applicant: ARCH TIMBER PROTECTION LIMITED
    Inventors: Kevin HUGHES, Craig Andrew MARS, Andrew HUGHES
  • WOOD PRESERVATIVE COMPOSITIONS USEFUL FOR TREATING COPPER-TOLERANT FUNGI
    Publication number: 20130209823
    Abstract: 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: Application
    Filed: June 21, 2011
    Publication date: August 15, 2013
    Applicant: ARCH TIMBER PROTECTION LIMITED
    Inventors: Craig Andrew Mars, David Grindon Cantrell, Kevin Hughes, Andrew Stewart Hughes
  • Method for improving photoimage quality
    Patent number: 5912106
    Abstract: The instant invention pertains to a method of improving the quality and resolution of photoimages by incorporating into the photocurable resin composition to be used a selected amount of a polymerization inhibitor so that photopolymerization of the photocurable resin is inhibited in those areas not directly impinged by light.
    Type: Grant
    Filed: March 12, 1997
    Date of Patent: June 15, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Chia-Hu Chang, Andrew Mar, Thai Hong Nguyen, Harry Joseph Evers, Hugh Stephen Laver
  • Non-migrating 1-hydrocarbyloxy hindered amine derivatives as polymer stabilizers
    Patent number: 5574162
    Abstract: 1-Hydrocarbyloxy substituted hindered amine compounds which also contain a reactive functional group such as hydroxy, amino, oxirane or carboxyl can be chemically attached to selected polymer substrates by condensation reactions to give polymers containing a chemically-bonded, non-migrating stabilizer having excellent stabilization efficacy for protecting said polymer substrate from the adverse effects of actinic light.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: November 12, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: James P. Galbo, Ramanathan Ravichandran, Peter J. Schirmann, Andrew Mar
  • Non-migrating 1-hydrocarbyloxy hindered amine derivatives as polymer stabilizers
    Patent number: 5442071
    Abstract: 1-Hydrocarbyloxy substituted hindered amine compounds which also contain a reactive functional group such as hydroxy, amino, oxirane or carboxyl can be chemically attached to selected polymer substrates by condensation reactions to give polymers containing a chemically-bonded, non-migrating stabilizer having excellent stabilization efficacy for protecting said polymer substrate from the adverse effects of actinic light.
    Type: Grant
    Filed: August 2, 1994
    Date of Patent: August 15, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: James P. Galbo, Ramanathan Ravichandran, Peter J. Schirmann, Andrew Mar
  • Non-migrating 1-hydrocarbyloxy hindered amine derivatives as polymer stabilizers
    Patent number: 5359069
    Abstract: 1-Hydrocarbyloxy substituted hindered amine compounds which also contain a reactive functional group such as hydroxy, amino, oxirane or carboxyl can be chemically attached to selected polymer substrates by condensation reactions to give polymers containing a chemically-bonded, non-migrating stabilizer having excellent stabilization efficacy for protecting said polymer substrate from the adverse effects of actinic light.
    Type: Grant
    Filed: January 7, 1994
    Date of Patent: October 25, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: James P. Galbo, Ramanathan Ravichandran, Peter J. Schirmann, Andrew Mar
  • Non-migrating 1-hydrocarbyloxy hindered amine derivatives as polymer stabilizers
    Patent number: 5286865
    Abstract: 1-Hydrocarbyloxy substituted hindered amine compounds which also contain a reactive functional group such as hydroxy, amino, oxirane or carboxyl can be chemically attached to selected polymer substrates by condensation reactions to give polymers containing a chemically-bonded, non-migrating stabilizer having excellent stabilization efficacy for protecting said polymer substrate from the adverse effects of actinic light.
    Type: Grant
    Filed: June 24, 1992
    Date of Patent: February 15, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: James P. Galbo, Ramanathan Ravichandran, Peter J. Schirmann, Andrew Mar
  • Non-migrating 1-hydrocarbyloxy hindered amine derivatives as polymer stabilizers
    Patent number: 5145893
    Abstract: 1-Hydrocarbyloxy substituted hindered amine compounds which also contain a reactive functional group such as hydroxy, amino, oxirane or carboxyl can be chemically attached to selected polymer substrates by condensation reactions to give polymers containing a chemically-bonded, non-migrating stabilizer having excellent stabilization efficacy for protecting said polymer substrate from the adverse effects of actinic light.
    Type: Grant
    Filed: February 14, 1990
    Date of Patent: September 8, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: James P. Galbo, Ramanathan Ravichandran, Peter J. Schirmann, Andrew Mar
  • Stabilization of ambient cured coatings
    Patent number: 5124378
    Abstract: N--OR.sub.1 substituted hindered amine light stabilizers impart outstanding stabilization properties to ambient cured coatings based on a variety of resins, the stabilized coatings exhibiting improved durability, weatherability, and the like.
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: June 23, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Rudolf A. Behrens, Andrew Mar
  • Stabilization of acid catalyzed thermoset resins
    Patent number: 5112890
    Abstract: N-OR.sub.1 substituted hindered amine light stabilizers impart outstanding stabilization properties to acid catalyzed thermoset coating compositions providing enhanced resistance against the deleterious effects of light, moisture or oxygen without inhibition of cure.
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: May 12, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Rudolf A. Behrens, Roland A. E. Winter, Andrew Mar, Peter J. Schirmann, Raymond Seltzer, Roger F. Malherbe
  • Ethylenically unsaturated compounds containing 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine moieties, and polymers, copolymers and stabilized compositions
    Patent number: 5077340
    Abstract: Ethylenically unsaturated compounds containing 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine moieties represent reactable stabilizers which may be homopolymerized or copolymerized with other ethylenically saturated monomers to form non-migrating, light stabilizers which are very effective in stabilizing polyolefins and other polymer substrates against the deleterious effects of actinic light.
    Type: Grant
    Filed: April 10, 1991
    Date of Patent: December 31, 1991
    Assignee: CIBA-Geigy Corporation
    Inventors: Ramanathan Ravichandran, Peter J. Schirmann, Andrew Mar
  • Ethylenically unsaturated compounds containing 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine moieties, and polymers, copolymers and stabilized compositions
    Patent number: 5047489
    Abstract: Ethylenically unsaturated compounds containing 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine moieties represent reactable stabilizers which may be homopolymerized or copolymerized with other ethylenically saturated monomers to form non-migrating, light stabilizers which are very effective in stabilizing polyolefins and other polymer substrates against the deleterious effects of actinic light.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: September 10, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Ramanathan Ravichandran, Peter J. Schirmann, Andrew Mar
  • Stabilization of ambient cured coatings with N-hydroxy hindered amines
    Patent number: 5006577
    Abstract: N-hydroxy-substituted hindered amine light stabilizers impart outstanding stabilization properties to ambient cured coatings based on a variety of resins, the stabilized coatings exhibiting improved durability, weatherability, and the like.
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: April 9, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Rudolf A. Behrens, Andrew Mar
  • Ethylenically unsaturated compounds containing 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine moieties, and polymers, copolymers and stabilized compositions
    Patent number: 4983737
    Abstract: Ethylenically unsaturated compounds containing 1-hydroxycarbyloxy-2,2,6,6-tetramethylpiperidine moieties represent reactable stabilizers which may be homopolymerized or copolymerized with other ethylenically saturated monomers to form non-migrating, light stabilizers which are very effective in stabilizing polyolefins and other polymer substrates against the deleterious effects of actinic light.
    Type: Grant
    Filed: February 14, 1990
    Date of Patent: January 8, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Ramanathan Ravichandran, Peter J. Schirmann, Andrew Mar