Research | Patents

  1. Hesp, S.A.M., Z. Liang, and R.T. Woodhams. In-Situ Stabilized Compositions (Continuation). US Patent 5708061 — Issued on January 13, 1998.
  2. Hesp, S.A.M. Process for Preparing Rubber-Modified Asphalt Compositions. US Patent 5683498 — Issued on November 4, 1997. Canadian Appl. 2,155,165, filed on August 1, 1995. Assignee: Eco Chemical of Toronto, Ontario.
  3. Hesp, S.A.M., Z. Liang, and R.T. Woodhams. In-Situ Stabilized Compositions (Continuation-in-Part). US Patent 5494966 A — Issued on February 27, 1996.
  4. Hesp, S.A.M., Z. Liang, and R.T. Woodhams. In-Situ Stabilized Compositions. US Patent 5280064 A — Issued on January 18, 1994. Assignee: University of Toronto Innovations Foundation. Licensed: 1) Polyphalt of Aurora, Ontario; 2) Huntway Partners LP of Los Angeles, California; 3) Polymer Asphalt Products of St. Louis, Missouri; 4) Moose Jaw Asphalt of Moose Jaw, Saskatchewan; 5) Idaho Asphalt of Boisey, Idaho; 6) SAMI Pty. Ltd. of Sydney, Australia; 7) Smid and Hollander of Amsterdam, Holland; 8) Ashwarren Paving of Toronto, Ontario; 9) Navajo Asphalt of Artesia, New Mexico; and 10) several others.
  5. Hesp, S., N. Hayashi, and T. Ueno. Radiation Sensitive Compositions and Pattern Formation Method Using the Same. Japan Kokai Tokkyo Koho, JP 02025850 A2. Issued on January 29, 1990. Assignee: Central Research Laboratory, Hitachi Ltd.
  6. Hayashi, N., S. Hesp, and T. Ueno. Photobleachable Photosensitive Compositions and Pattern Forming Method. Japan Appl. # 63-304150, (1988-12-2). Assignee: Central Research Laboratory, Hitachi Ltd.