Synthetic bearing lubricant
CA 1100125 A · Owner: Swiss Aluminium Ltd. · Inventors: Baur, Rudolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A synthetic bearing lubricant prevents wear even under very high loads and is such that when it contaminates the rolling lubricant the rolled product is not stained. The bearing lubricant contains poly-isobutene, at least one ester of a C2 to C5 alcohol with an .alpha.-hydroxy-mono carbonic acid or an .alpha.-hydroxy-dicarbonic acid and at least single or poly unsaturated C13 to C19 carbonic acid.
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 April 28, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 1998.
- 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.