Sulphonated hydrocracking residues as concrete admixtures

Assignee

• Of Natural Resources Canada

Inventors

• Henry Sawatzky (6 patents)
• Noel P. Mailvaganam (3 patents)
• Ian F. Clelland (1 patents)
• Jean-Francois Houde (8 patents)
• Brian A. Farnand (8 patents)

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