Process for delaying the gelling process of insaturated monomers; compositions with delayed gelling containing said monomers and use of these compositions for processing subsurface deposits

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

• Granted October 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 19, 2010.
• We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.