Patents by Inventor Hildegard M. Schneider

Hildegard M. Schneider 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).

  • Multilayer films including thermoplastic silicone block copolymers
    Patent number: 8524370
    Abstract: A multilayer film includes a first layer of a first polymeric material and a second layer of a second polymeric material. The first material has a first index of refraction and the second material has a second index of refraction less than the first index of refraction. In one embodiment, the second material includes a polydiorganosiloxane polyamide block copolymer. In another embodiment, the second material includes a polydiorganosiloxane polyoxamide block copolymer.
    Type: Grant
    Filed: May 13, 2010
    Date of Patent: September 3, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Karl E. Benson, Richard G. Hansen, Stephen A. Johnson, Charles M. Leir, Richard Y. Liu, Mark D. Purgett, Hildegard M. Schneider, Audrey A. Sherman
  • Films including thermoplastic silicone block copolymers
    Patent number: 8067094
    Abstract: A composite film includes a first film and a second film contiguous to the first film. The first film includes a light transmissive material. In one embodiment, the second film includes a polydiorganosiloxane polyamide block copolymer. In another embodiment, the second film includes a polydiorganosiloxane polyoxamide block copolymer.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: November 29, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Karl E. Benson, Richard G. Hansen, Stephen A. Johnson, Charles M. Leir, Richard Y. Liu, Mark D. Purgett, Hildegard M. Schneider, Audrey A. Sherman
  • Multilayer films including thermoplastic silicone block copolymers
    Patent number: 7820297
    Abstract: A multilayer film includes a first layer of a first polymeric material and a second layer of a second polymeric material. The first material has a first index of refraction and the second material has a second index of refraction less than the first index of refraction. In one embodiment, the second material includes a polydiorganosiloxane polyamide block copolymer. In another embodiment, the second material includes a polydiorganosiloxane polyoxamide block copolymer.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: October 26, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Karl E. Benson, Richard G. Hansen, Stephen A. Johnson, Charles M. Leir, Richard Y. Liu, Mark D. Purgett, Hildegard M. Schneider, Audrey A. Sherman
  • MULTILAYER FILMS INCLUDING THERMOPLASTIC SILICONE BLOCK COPOLYMERS
    Publication number: 20100221511
    Abstract: A multilayer film includes a first layer of a first polymeric material and a second layer of a second polymeric material. The first material has a first index of refraction and the second material has a second index of refraction less than the first index of refraction. In one embodiment, the second material includes a polydiorganosiloxane polyamide block copolymer. In another embodiment, the second material includes a polydiorganosiloxane polyoxamide block copolymer.
    Type: Application
    Filed: May 13, 2010
    Publication date: September 2, 2010
    Inventors: Karl E. Benson, Richard G. Hansen, Stephen A. Johnson, Charles M. Leir, Richard Y. Liu, Mark D. Purgett, Hildegard M. Schneider, Audrey A. Sherman
  • Articles comprising a release liner having a high coefficient of friction and good roll stability
    Publication number: 20040213945
    Abstract: The present invention relates to articles comprising a substrate, a release liner and an adhesive layer sandwiched between the substrate and release liner and methods of manufacturing such articles. The release liner has a relatively high coefficient of friction and has shrinkage properties that are substantially the same as or greater than the substrate. The article exhibits good roll stability, being substantially free of defects when supplied in a roll form.
    Type: Application
    Filed: May 24, 2004
    Publication date: October 28, 2004
    Applicant: 3M Innovative Properties Company
    Inventors: Suman K. Patel, Jacob J. Liu, Joseph A. Richie, Hildegard M. Schneider, David L. Bergeson
  • Articles comprising a release liner having a high coefficient of friction and good roll stability
    Patent number: 6805933
    Abstract: The present invention relates to articles comprising a retroreflective sheeting, a release liner and an adhesive layer sandwiched between the substrate and release liner and methods of manufacturing such articles. The release liner has a relatively high coefficient of friction and has shrinkage properties that are substantially the same as or greater than the retroreflective sheeting. The article exhibits good roll stability, being substantially free of defects when supplied in a roll form.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: October 19, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Suman K. Patel, Jacob J. Liu, Joseph A. Richie, Hildegard M. Schneider, David L. Bergeson
  • Articles comprising a release liner having a high coefficient of friction and good roll stability
    Publication number: 20030064188
    Abstract: The present invention relates to articles comprising a substrate, a release liner and an adhesive layer sandwiched between the substrate and release liner and methods of manufacturing such articles. The release liner has a relatively high coefficient of friction and has shrinkage properties that are substantially the same as or greater than the substrate. The article exhibits good roll stability, being substantially free of defects when supplied in a roll form.
    Type: Application
    Filed: July 31, 2001
    Publication date: April 3, 2003
    Inventors: Suman K. Patel, Jacob J. Liu, Joseph A. Richie, Hildegard M. Schneider, David L. Bergeson
  • Release coating for adhesive articles and method
    Patent number: 5990238
    Abstract: A polymer includes an ethylene-containing backbone having substituents attached thereto, wherein the substituents include a urethane linked nitrogen-bonded hydrocarbon side chain having about 5 carbon atoms or more in length and a terminal methyl group; and an oxygen linked water solubilizing group. The polymer is particularly useful in a release coating composition and is suitable for forming films from aqueous dispersions thereof, organic solvent dispersions thereof, or mixtures thereof.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: November 23, 1999
    Assignee: 3M Innovative Properties Company
    Inventors: James P. DiZio, Roy Wong, Hildegard M. Schneider