Patents by Inventor Sonny Jonsson

Sonny Jonsson 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).

  • Free radical polymerization method having reduced premature termination, apparatus for performing the method, and product formed thereby
    Patent number: 7407617
    Abstract: A method of polymerizing by a free radical polymerization mechanism, product formed thereby, and apparatus for performing this method, are disclosed. The composition to be polymerized by the free radical polymerization mechanism is irradiated by a substantially constant radiation, the radiation being substantially without pulsation. The use of the substantially constant radiation without pulsation reduces premature termination of the polymerization. The substantially constant radiation can be the output of a lamp powered by a constant current, direct current power supply.
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: August 5, 2008
    Assignee: Fusion UV Systems, Inc.
    Inventors: Jeffrey K. Okamitsu, A. David P. Harbourne, Sonny Jõnsson, Rong Bao
  • Free radical polymerization method having reduced premature termination, apparatus for performing the method, and product formed thereby
    Publication number: 20060116436
    Abstract: A method of polymerizing by a free radical polymerization mechanism, product formed thereby, and apparatus for performing this method, are disclosed. The composition to be polymerized by the free radical polymerization mechanism is irradiated by a substantially constant radiation, the radiation being substantially without pulsation. The use of the substantially constant radiation without pulsation reduces premature termination of the polymerization. The substantially constant radiation can be the output of a lamp powered by a constant current, direct current power supply.
    Type: Application
    Filed: January 17, 2006
    Publication date: June 1, 2006
    Inventors: Jeffrey Okamitsu, A. David Harbourne, Sonny Jonsson, Rong Bao
  • Free radical polymerization method having reduced premature termination, apparatus for performing the method, and product formed thereby
    Patent number: 7037460
    Abstract: A method of polymerizing by a free radical polymerization mechanism, product formed thereby, and apparatus for performing this method, are disclosed. The composition to be polymerized by the free radical polymerization mechanism is irradiated by a substantially constant radiation, the radiation being substantially without pulsation. The use of the substantially constant radiation without pulsation reduces premature termination of the polymerization. The substantially constant radiation can be the output of a lamp powered by a constant current, direct current power supply.
    Type: Grant
    Filed: August 31, 2004
    Date of Patent: May 2, 2006
    Assignee: Fusion UV Systems, Inc.
    Inventors: Jeffrey K. Okamitsu, A. David P. Harbourne, Sonny Jonsson, Rong Bao
  • Free radical polymerization method having reduced premature termination, apparatus for performing the method and product formed thereby
    Patent number: 6908586
    Abstract: A method of polymerizing by a free radical polymerization mechanism, product formed thereby, and apparatus for performing this method, are disclosed. The composition to be polymerized by the free radical polymerization mechanism is irradiated by a substantially constant radiation, the radiation being substantially without pulsation. The use of the substantially constant radiation without pulsation reduces premature termination of the polymerization. The substantially constant radiation can be the output of a lamp powered by a constant current, direct current power supply.
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: June 21, 2005
    Assignee: Fusion UV Systems, Inc.
    Inventors: Jeffrey K. Okamitsu, A. David P. Harbourne, Rong Bao, Sonny Jönsson
  • Polymerization processes using aliphatic maleimides
    Patent number: 6855745
    Abstract: Aliphatic maleimides and methods using the same are disclosed. Polymerization of compositions which include the compounds of the invention may be activated by irradiating the composition with radiation.
    Type: Grant
    Filed: October 8, 2001
    Date of Patent: February 15, 2005
    Assignees: Albemarle Corporation, University of Southern Mississippi
    Inventors: Charles E. Hoyle, Shan Christopher Clark, E. Sonny Jönsson
  • Free radical polymerization method having reduced premature termination, apparatus for performing the method, and product formed thereby
    Publication number: 20050032926
    Abstract: A method of polymerizing by a free radical polymerization mechanism, product formed thereby, and apparatus for performing this method, are disclosed. The composition to be polymerized by the free radical polymerization mechanism is irradiated by a substantially constant radiation, the radiation being substantially without pulsation. The use of the substantially constant radiation without pulsation reduces premature termination of the polymerization. The substantially constant radiation can be the output of a lamp powered by a constant current, direct current power supply.
    Type: Application
    Filed: August 31, 2004
    Publication date: February 10, 2005
    Inventors: Jeffrey Okamitsu, A. Harbourne, Sonny Jonsson, Rong Bao
  • Polymerization processes using alphatic maleimides
    Publication number: 20040235976
    Abstract: Aliphatic maleimide compounds having at least one maleimide unit substituted with a functionalized aliphatic radical at the nitrogen atom are provided. The aliphatic radical can be a linear or branched C1 to C10 alkyl, such as methyl or ethyl. The aliphatic maleimide compounds are useful as photoinitiators. Polymerization of compositions that include the aliphatic maleimide compounds may be activated by radiation.
    Type: Application
    Filed: May 10, 2004
    Publication date: November 25, 2004
    Inventors: Charles E. Hoyle, Shan Christopher Clark, E. Sonny Jonsson
  • Photopolymerization compositions including maleimides and processes for using the same
    Patent number: 6555593
    Abstract: Photopolymerization compositions which include maleimides and processes using the same are disclosed. Polymerization of compositions which include maleimides in combination with a benzophenone compound/hydrogen atom donor sensitizer system may be activated by irradiating the composition with radiation.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: April 29, 2003
    Assignee: Albemarle Corporation
    Inventors: Charles E. Hoyle, Rajamani Nagarajan, Christopher W. Miller, Shan Christopher Clark, E. Sonny Jönsson, Liying Shao
  • Polymerization processes using aliphatic maleimides
    Patent number: 6369124
    Abstract: Aliphatic maleimides and methods using the same are disclosed. Polymerization of compositions which include the compounds of the invention may be activated by irradiating the composition with radiation.
    Type: Grant
    Filed: July 7, 1999
    Date of Patent: April 9, 2002
    Assignees: First Chemical Corporation, University of Southern Mississippi
    Inventors: Charles E. Hoyle, Shan Christopher Clark, E. Sonny Jönsson
  • Polymerization processes using aliphatic maleimides
    Publication number: 20020019453
    Abstract: Aliphatic maleimides and methods using the same are disclosed. Polymerization of compositions which include the compounds of the invention may be activated by irradiating the composition with radiation.
    Type: Application
    Filed: October 8, 2001
    Publication date: February 14, 2002
    Applicant: First Chemical Corporation
    Inventors: Charles E. Hoyle, Shan Christopher Clark, E. Sonny Jonsson
  • Biradical photoinitiators and photopolymerizable compositions
    Patent number: 6287749
    Abstract: Biradical initiators and methods using the same are disclosed. Polymerization of compositions which include the compounds of the invention may be activated by irradiating the composition with radiation.
    Type: Grant
    Filed: May 4, 1998
    Date of Patent: September 11, 2001
    Assignees: First Chemical Corporation, Univ. of Southern Mississippi
    Inventors: Rajamani Nagarajan, Joseph Stanton Bowers, Jr., Charles E. Hoyle, E. Sonny Jönsson, John R. I. Eubanks
  • Aromatic maleimides and methods of using the same
    Patent number: 6153662
    Abstract: Aromatic maleimides and methods using the same are disclosed. Polymerization of compositions which include the compounds of the invention may be activated by irradiating the composition with radiation.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: November 28, 2000
    Assignees: University of Southern Mississippi, First Chemical Corp.
    Inventors: Christopher W. Miller, Charles E. Hoyle, E. Sonny Jonsson
  • Aromatic maleimides and methods of using the same
    Patent number: 6150431
    Abstract: Aromatic maleimides and methods using the same are disclosed. Polymerization of compositions which include the compounds of the invention may be activated by irradiating the composition with radiation.
    Type: Grant
    Filed: April 29, 1999
    Date of Patent: November 21, 2000
    Assignees: First Chemical Corporation, Univ. of Southern Mississippi
    Inventors: Christopher W. Miller, Charles E. Hoyle, E. Sonny Jonsson
  • Photoactive compounds for use with narrow wavelength band ultraviolet (UV) curing systems
    Patent number: 6140385
    Abstract: Novel substituted diaryl ketones, photopolymerization compositions including the compounds, and methods using the same are disclosed. Polymerization of compositions which include the compounds of the invention may be activated by irradiating the composition with ultraviolet light using conventional techniques and radiation sources to give greatly improved cure speeds. The compounds of the invention also show a significantly elevated level of reactivity at a narrow wavelength band, with a peak emission wavelength at or near 308 nm. Because of the increased level of activity, the photoinitiator can be used in considerably lower amounts.
    Type: Grant
    Filed: September 30, 1998
    Date of Patent: October 31, 2000
    Assignee: First Chemical Corporation
    Inventors: Joseph Stanton Bowers, Jr., Rajamani Nagarajan, Charles Uriah Pittman, Jr., E. Sonny Jonsson
  • Polymerization processes using aliphatic maleimides
    Patent number: 6034150
    Abstract: Aliphatic maleimides and methods using the same are disclosed. Polymerization of compositions which include the compounds of the invention may be activated by irradiating the composition with radiation in the absence of a photoinitiator.
    Type: Grant
    Filed: August 22, 1997
    Date of Patent: March 7, 2000
    Assignees: University of Southern Mississippi, First Chemical Corp.
    Inventors: Charles E. Hoyle, Shan Christopher Clark, E. Sonny Jonsson
  • Photopolymerization process employing a charge transfer complex without a photoinitiator
    Patent number: 5446073
    Abstract: Composition containing charge transfer complex from at least one unsaturated compound having an electron donor group and having an electron withdrawing group and being free of any photoinitiating compound is polymerized by being subjected to ultraviolet light.
    Type: Grant
    Filed: March 31, 1993
    Date of Patent: August 29, 1995
    Assignee: Fusion Systems Corporation
    Inventors: Sonny Jonsson, Per-Erik G. Sundell, William R. Schaeffer
  • Initiators for polymerization
    Patent number: 5223591
    Abstract: Initiators for cationic polymerization by thermal activation, photochemical activation (UV-irradiation) or activation by electron bombardment are compounds wherein a heterocyclic, aryl substituted or aryl ring is fused to a sulfonium moiety in combination with a non-nucleophilic anion. During the activation of the initiator, a carbon-sulfur bond is broken leading to formation of a sulfide and a carbonium ion within the same molecule. The carbonium ion initiates the polymerization.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: June 29, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Johan Nyander, Sonny Jonsson, Bjorn Elman, Ann-Britt Pettersson, Per-Erik Sundell, Sven Gothe, Jan-Erik Nystrom