Lubricant or lubricant concentrate
CA 1340272 C · Owner: Froeschmann, Erasmus · Inventors: Froeschmann, Erasmus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Lubricant or lubricant concentrate on mineral oil and/or synthetic oil basis having improved lubricating properties in particular improved load bearing, sliding and corrosion inhibiting properties, which contains, a) one or more mineral oils and/or synthetic oils as base oil and, b) at least one tetravalent to octavalent alcohol having at least one quaternary carbon atom as well as at least one ester bond in its molecule and having a density d20 of at least 0,900 and an enthalpy H of at least 350 kcal/kg, c) at least one asymmetric organometallic compound d) at least one phosphor containing substance e) at least one sulfur containing substance and f) further usual additives.
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
- Granted December 15, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 2015.
- 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.