Synthetic hot forging lubricants and process
CA 1182102 A · Owner: Atofina Chemicals, Inc. · Inventors: Bertell, Jerome W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lubricant composition for hot forging operations is disclosed which includes water and phthalates made by reacting phthalic acids with alkali metal hydroxides. Other additives may be present such as thickeners extreme, presssure (E.P.) additives, suspending agents germicides, anti-wear agents, pigments corrosion inhibitors, wetting, agents, dyes and perfumes. A hot forging process based on the above lubricant is also disclosed.
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 February 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 2002.
- 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.