Dry wire drawing lubricants based on polymers of 1,2, 4-and 1,3,4-thiadiazoledithiols
CA 1108115 A · Owner: Atochem North America, Inc. · Inventors: King, James P.; Eckard, Alan D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
i, Abstract of the Disclosure, Dry powdered wire drawing lubricant compositions are disclosed for the most severe drafting conditions in which mixtures of polymers of 1,2,4-and 1,3,4-thiadiazoledithiols act synergistically with molybdenum disulfide as extreme pressure additives. The polymers of 1,2,4-and 1,3,4-thiadiazoledithiols can also be used as the sole extreme pressure additive in the wire drawing lubricants.
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 September 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 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.