Aqueous functional fluid composition
CA 1190541 A · Owner: Cincinnati Milacron Inc. · Inventors: Williams, Mark A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Corrosion inhibiting aqueous functional fluid compositions are provided which comprise a) water b) a water soluble or dispersible surface, active, corrosion inhibiting alkali metal ammonium or organic amine salt of, a water insoluble C4 to C9 aliphatic monohydric secondary alcohol half ester of a hydrocarbon cyclic dicarboxylic acid or anhydride said half ester having, a molecular weight of from 240 to 297 (e.g. monoethanolamine salt of the, 2-octanol half ester of phthalic acid) and optionally c) a substance selected from the group consisting of an anionic surfactant a nonionic surfactant, a, cationic surfactant an amphoteric surfactant and a lubricant or mixture thereof the fluid having a …
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 July 16, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 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.