Patents by Inventor James P. Galbo

James P. Galbo 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).

  • Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewith
    Publication number: 20010020099
    Abstract: Hindered amines substituted on the N-atom with an —O—E—OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of the OH group on the compounds adds important properties not attainable by the use of normal —O—E moieties.
    Type: Application
    Filed: February 21, 2001
    Publication date: September 6, 2001
    Inventors: James P. Galbo, Gerald A. Capocci, Nancy N. Cliff, Robert E. Detlefsen, Michael P. DiFazio, Ramanathan Ravichandran, Peter Solera
  • Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewith
    Publication number: 20010018520
    Abstract: Hindered amines substituted on the N-atom with an —O—E—OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of the OH group on the compounds adds important properties not attainable by the use of normal —O—E moieties.
    Type: Application
    Filed: February 21, 2001
    Publication date: August 30, 2001
    Inventors: James P. Galbo, Gerald A. Capocci, Nancy N. Cliff, Robert E. Detlefsen, Michael P. DiFazio, Ramanathan Ravichandran, Peter Solera
  • Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewith
    Publication number: 20010016658
    Abstract: Hindered amines substituted on the N-atom with an —O—E—OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of the OH group on the compounds adds important properties not attainable by the use of normal —O—E moieties.
    Type: Application
    Filed: February 21, 2001
    Publication date: August 23, 2001
    Inventors: James P. Galbo, Gerald A. Capocci, Nancy N. Cliff, Robert E. Detlefsen, Michael P. DiFazio, Ramanathan Ravichandran, Peter Solera
  • Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewith
    Patent number: 6271377
    Abstract: Hindered amines substituted on the N-atom with an —O—E—OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of the OH group on the compounds adds important properties not attainable by the use of normal —O—E moieties.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: August 7, 2001
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: James P. Galbo, Gerald A. Capocci, Nancy N. Cliff, Robert E. Detlefsen, Michael P. DiFazio, Ramanathan Ravichandran, Peter Solera
  • Process for the synthesis of N-(hydroxyalkoxy) substituted hindered amine stabilizers
    Patent number: 6166212
    Abstract: N-(Hydroxyalkoxy) hindered amine stabilizers are prepared by reacting the corresponding N-oxyl compound with a peroxide or organic hydroperoxide and a catalytic amount of a metal salt or metal-ligand complex in an alcohol solvent. These N-(hydroxyalkoxy) hindered amines are particularly useful as stabilizers for polyolefins, thermoplastic polyolefins and automotive coating compositions.
    Type: Grant
    Filed: May 20, 1999
    Date of Patent: December 26, 2000
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: James P. Galbo, Robert E. Detlefsen, Michael P. DiFazio, Henry C. Grace, Christopher Kuell
  • N,N',N''-tris{2,4-bis?Hydrocarbyloxy-2,2,6,6-tetra- methylpiperidin-4-yl)alkylamino!-s-triazin-6-yl}-3,3'-ethylenediiminodipr opylamines, their isomers and bridged derivatives and polymer compositions stabilized therewith
    Patent number: 5844026
    Abstract: A mixture of the compounds identified in the title, their pure isomers and alkane-bridged derivatives are particularly effective in stabilizing polymer compositions, particularly polyolefin compositions.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: December 1, 1998
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: James P. Galbo, Henry C. Grace, Douglas W. Horsey, Peter Solera, Rangarajan Srinivasan
  • 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
  • Polyalkyl-4-piperidinol derivatives for use as stabilizers for organic materials
    Patent number: 5439958
    Abstract: The present invention relates to novel piperidine compounds of the formula (I) and to their use as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials.The definitions of R.sub.1, R.sub.2 and R.sub.3 are given in the text.
    Type: Grant
    Filed: July 21, 1994
    Date of Patent: August 8, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Roberto Scrima, Graziano Zagnoni, Michael H. Ackerman, James P. Galbo, Roland A. E. Winter
  • Process for preparing N-methoxy derivatives of 4-hydroxy-2,2,6,6-tetramethylpiperidine and 2,2,6,6-tetramethyl-4-piperidone
    Patent number: 5374729
    Abstract: N-Methoxy derivatives of the sterically hindered amines 4-hydroxy-2,2,6,6-tetramethylpiperidine and 2,2,6,6-tetramethyl-4-piperidone are prepared from the corresponding N-oxyl hindered amine by combining hydrogen peroxide and a peroxide-decomposing transition metal salt in the presence of dimethyl sulfoxide.
    Type: Grant
    Filed: May 7, 1992
    Date of Patent: December 20, 1994
    Assignee: Ciba-Geigy Corporation
    Inventor: James P. Galbo
  • 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
  • O-carbonyl N-hydroxy hindered amine stabilizers
    Patent number: 5300647
    Abstract: Hindered amines based on various 2,2,6,6-tetraalkylated nitrogen-containing heterocyclic moieties wherein the hindered nitrogen atom on the ring is substituted with O-acyl, O-carbamoyl or O-carbonate substituents and the 4-position of the ring is substituted with a variety of groups, are effective as light stabilizers in diverse substrate systems.
    Type: Grant
    Filed: May 28, 1993
    Date of Patent: April 5, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Roger F. Malherbe, Roland A. E. Winter, James P. Galbo
  • Non-migrating 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperdine 1,3,5-triazine derivatives as polymer stabilizers
    Patent number: 5300544
    Abstract: 1-Hydrocarbyloxy-2,2,6,6-tetramethylpiperidine derivatives of s-triazines having functional groups such as hydroxy, amino, carboxy, epoxy, isocyanate or the like present are capable of chemically bonding with polymer substrates having anhydride, epoxide, alkoxymethylmelamine or isocyanate moieties present. This chemical bonding prevents migration or loss of the stabilizer during subsequent processing or end-use application of the stabilized polymer.
    Type: Grant
    Filed: March 12, 1993
    Date of Patent: April 5, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: James P. Galbo, Ramanathan Ravichandran, Mark S. Holt
  • 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-2,2,6,6-tetramethylpiperidine 1,3,5-triazine derivatives
    Patent number: 5216156
    Abstract: 1-Hydrocarbyloxy-2,2,6,6-tetramethylpiperidine derivatives of s-triazines having functional groups such as hydroxy, amino, carboxy, epoxy, isocyanate or the like present are capable of chemically bonding with polymer substrates having anhydride, epoxide, alkoxymethylmelamine or isocyanate moieties present. This chemical bonding prevents migration or loss of the stabilizer during subsequent processing or end-use application of the stabilized polymer.
    Type: Grant
    Filed: May 5, 1992
    Date of Patent: June 1, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: James P. Galbo, Ramanathan Ravichandran, Mark S. Holt
  • O-substituted N-hydroxy hindered amine stabilizers
    Patent number: 5204473
    Abstract: Hindered amines based on various 2,2,6,6-tetraalkylated nitrogen-containing heterocyclic moieties wherein the hindered nitrogen atom on the ring is substituted with OR.sub.1 substituents and the 4-position of the ring is substituted with a variety of groups, are effective as light stabilizers in diverse substrate systems.
    Type: Grant
    Filed: May 12, 1992
    Date of Patent: April 20, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Roland A. E. Winter, James P. Galbo, Raymond Seltzer
  • Polysubstituted N-hydrocarbyloxy hindered amine light stabilizers
    Patent number: 5189086
    Abstract: Polysubstituted N-hydrocarbyloxy hindered amines are effective light stabilizers in protecting organic substrates against the deleterious effects of actinic light.
    Type: Grant
    Filed: March 26, 1991
    Date of Patent: February 23, 1993
    Assignee: Ciba-Geigy Corporation
    Inventor: James P. Galbo
  • 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
  • N,N-bis(1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidin-4-yl)amino triazines and stabilized compositions
    Patent number: 5118736
    Abstract: Triazines substituted with an N,N-bis(1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidin-4-yl)amino moiety are effective stabilizers for polymer compositions against the deleterious effects of actinic light.
    Type: Grant
    Filed: July 3, 1991
    Date of Patent: June 2, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Ramanathan Ravichandran, James P. Galbo
  • Polyolefin compositions stabilized with NOR-substituted hindered amines
    Patent number: 5096950
    Abstract: Hindered amines based on various 2,2,6,6-tetraalkylated nitrogen-containing heterocyclic moieties wherein the hindered nitrogen atom on the ring is substituted with OR.sub.1 substituents and the 4-position of the ring is substituted with a diversity of substituents are effective in protecting polyolefins against the adverse effects of light, heat and oxygen.
    Type: Grant
    Filed: August 6, 1990
    Date of Patent: March 17, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: James P. Galbo, Raymond Seltzer, Ramanathan Ravichandran, Ambelal R. Patel