Patents by Inventor Donna Osborne

Donna Osborne 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).

  • Storage stabilized oxygen degradable polymer
    Patent number: 6418702
    Abstract: This invention concerns a stabilized packaging environment for a particulate vinyl lactam polymer, particularly polyvinylpyrrolidone particles, which comprises a sealed, oxygen-impervious receptacle containing the polymer particles and a separate air permeable package within the receptacle containing a water moistened oxygen scavenging agent, preferably iron powder, an iron (II) salt, ascorbic acid or a mixture of such agents.
    Type: Grant
    Filed: July 23, 2001
    Date of Patent: July 16, 2002
    Assignee: ISP Investments Inc.
    Inventors: Chi-San Wu, Laurence Senak, Donna Osborne, James F. Curry, Charles B. Schriver, Irwin B. Silverstein
  • Storage stabilized oxygen degradable polymer
    Publication number: 20020006522
    Abstract: This invention concerns a stabilized packaging environment for a particulate vinyl lactam polymer, particularly polyvinylpyrrolidone particles, which comprises a sealed, oxygen-impervious receptacle containing said polymer particles and a separate air permeable package within the receptacle containing a water moistened oxygen scavenging agent, preferably iron powder, an iron (II) salt, ascorbic acid or a mixture of such agents.
    Type: Application
    Filed: July 23, 2001
    Publication date: January 17, 2002
    Applicant: ISP INVESTMENTS INC.
    Inventors: Chi-San Wu, Laurence Senak, Donna Osborne, James F. Curry, Charles B. Schriver, Irwin B. Silverstein
  • Storage stabilized oxygen degradable polymer
    Patent number: 6331333
    Abstract: This invention concerns a stabilized packaging environment for a particulate vinyl lactam polymer, particularly polyvinylpyrrolidone particles, which comprises a sealed, oxygen-impervious receptacle containing said polymer particles and a separate air permeable package within the receptacle containing a water moistened oxygen scavenging agent, preferably iron powder, an iron (II) salt, ascorbic acid or a mixture of such agents.
    Type: Grant
    Filed: September 16, 1998
    Date of Patent: December 18, 2001
    Assignee: ISP Investments Inc.
    Inventors: Chi-San Wu, Laurence Senak, Donna Osborne, James F. Curry, Charles B. Schriver, Irwin B. Silverstein