Treatment method for inhibiting corrosion of top of lines used in the oil industry
CA 2580474 C · Owner: Ceca S.A. · Inventors: Moser, Frederic; Gillet, Jean-Philippe; Pou, Tong Eak
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns multifunctional corrosion inhibitors for protection against top of line corrosion and bottom line corrosion for lines used in particular in the oil industry. The corrosion inhibiting compositions contain at least one amine with boiling point between 105 and 130 °C as inhibitors.
Read the whole patent
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
- Filed September 20, 2005 and granted November 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 20, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.