Patents by Inventor Steven M. Hellmann

Steven M. Hellmann 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).

  • Crosslinkable polymeric compositions and use thereof
    Patent number: 6664306
    Abstract: This invention relates to polymeric compositions that are processible and may be photochemically cured to produce crosslinked compositions useful in coating, sealants and adhesive applications. The crosslinkable composition comprises a first component having a plurality of pendent, free-radically polymerizable functional groups; a polymeric photoinitiator, and a residual content of less than 2%. The composition is melt processable at temperatures of less than or equal to 100° C.
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: December 16, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Babu N. Gaddam, Steven M. Hellmann, Ahmed S. Abuelyaman, Maureen A. Kavanagh, Duane D. Fansler, Kevin M. Lewandowski
  • Crosslinkable polymeric compositions and use thereof
    Publication number: 20030134930
    Abstract: This invention relates to polymeric compositions that are processable and may be photochemically cured to produce crosslinked compositions useful in coating, sealants and adhesive applications. The crosslinkable composition comprises a first component having a plurality of pendent, free-radically polymerizable functional groups; a polymeric photoinitiator, and a residual content of less than 2%. The composition is melt processable at temperatures of less than or equal to 100° C.
    Type: Application
    Filed: July 22, 2002
    Publication date: July 17, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Babu N. Gaddam, Steven M. Hellmann, Ahmed S. Abuelyaman, Maureen A. Kavanagh, Duane D. Fansler, Kevin M. Lewandowski