Patents by Inventor Henri F. M. Desgouilles

Henri F. M. Desgouilles 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).

  • Polymer-containing bituminous composition and composite sealing sheet including the same
    Patent number: 4282127
    Abstract: This invention relates to a bitumen-based composition comprising a ternary mixture of (a) 52-78 wt % bitumen, (b) 20-40 wt % polyolefin and (c) 2-8 wt % of a butadiene-styrene copolymer.Said composition is useful alone for sealing purposes as a melt or a solution, and is also useful for the production of composite sealing sheets.
    Type: Grant
    Filed: September 11, 1979
    Date of Patent: August 4, 1981
    Inventor: Henri F. M. Desgouilles
  • Composite bituminous sheet, particularly for sealing members
    Patent number: 4278724
    Abstract: This invention relates to a composite bituminous sheet, particularly useful for sealing members.Said sheet consists of a main or external zone (1) formed of a cloth which is substantially non-extensible under low stress surrounding at least one central zone (2) to which it is bound, which is formed of an extensible elastic cloth having a tensile elongation at break of at least 100%, the central and external zones being coated with the same bituminous composition having a high elongation at break and a softening point at least equal to 100.degree. C. when determined according to the standard Ring and Ball test.
    Type: Grant
    Filed: December 6, 1979
    Date of Patent: July 14, 1981
    Assignee: Composants Industrialises du Batiment, par abreviation C.I.B.
    Inventor: Henri F. M. Desgouilles