Long chain aliphatic hydrocarbyl amine additives having an oxy-carbonyl connecting group
CA 1341202 C · Owner: Chevron Research And Technology Company · Inventors: Buckley, Thomas F. Iii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Long-chain aliphatic hydrocarbyl polyamino additives which comprise a long-chain aliphatic hydrocarbyl moiety, a polyamino moiety and an oxy-carbonyl connecting group which joins the aliphatic hydrocarbyl moiety and the polyamino moiety are useful as dispersants in fuel compositions and in lubricating oil compositions.
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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 March 6, 2001. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2018.
- 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.