A composition of lubricating oil for two stroke gasoline engine and process for the preparation thereof
CA 2631887 C · Owner: Gupta, Ashok Kumar · Inventors: Pandey, Naval Kishore; Singh, Arun Kumar; Gupta, Ashok Kumar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention provides a composition of lubricating oil for two stroke gasoline engine and a process for the preparation thereof. In addition to alkyl benzenes, the composition also contains an antioxidant an antifoaming , agent, a pour point dispersant a corrosion inhibitor and a detergentdispersant additive, an extreme pressure additive and a lubricity additive. The present invention further provides a process comprising the following steps (I) : removing of insoluble matter from the base stock (II) tailoring , by vacuum distillation (III) blending of different alkylates, (IV) removing the oxidized matters by adsorption, (V) addition of performance additives and homogenizing the …
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 December 29, 2005 and granted July 2, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 29, 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.