Patents by Inventor Roland J. Tetreault

Roland J. Tetreault 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).

  • Polyvinyl butyral sheet
    Patent number: 5137954
    Abstract: Sheet for safety glazings made of: a) polyvinyl butyral internally plasticized by the presence in the polymer of C.sub.7 to C.sub.15 aliphatic aldehyde groups and b) an external plasticizer in amount sufficient to provide a sheet glass transition temperature of about 25.degree. to 30.degree. C.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: August 11, 1992
    Assignee: Monsanto Company
    Inventors: Arijit M. DasGupta, Donald J. David, Roland J. Tetreault
  • Plasticized polyvinyl butyral and interlayer thereof
    Patent number: 5013779
    Abstract: A composition of matter and an interlayer formed of such composition for a laminated glazing comprising polyvinyl butyral resin plasticized with a mixed adipate or a mixture of pure and mixed adipates made from: (a) at least one C.sub.4 to C.sub.9, preferably C.sub.6, alkyl alcohol and (b) at least one cyclo (C.sub.4 to C.sub.10), preferably C.sub.6, alcohol wherein the proportions of (a) and (b) in parts by weight per 100 parts (a) and (b) are: (a) 10-90, preferably 30-80 and (b) 90-10, preferably 70-20.
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: May 7, 1991
    Assignee: Monsanto Company
    Inventors: Robert H. Fariss, Roland J. Tetreault
  • Plasticized polyvinyl butyral and interlayer thereof
    Patent number: 5013780
    Abstract: A composition of matter and an interlayer formed of such composition for a laminated glazing comprising polyvinyl butyral resin plasticized with a mixed adipate or a mixture of pure and mixed adipates made from: (a) at least one C.sub.4 to C.sub.9, preferably C.sub.6, alkyl alcohol and (b) at least one cyclo (C.sub.4 to C.sub.10), preferably C.sub.6, alcohol wherein the proportions of (a) and (b) in parts by weight per 100 parts of (a) and (b) are: (a) 10-90, preferably 30-80 and (b) 90-10, preferably 70-20.
    Type: Grant
    Filed: December 8, 1989
    Date of Patent: May 7, 1991
    Assignee: Monsanto Company
    Inventors: Robert H. Fariss, Roland J. Tetreault