Decing or antiicing fluids for aircraft
CA 1339690 C · Owner: Schrimpf, Hans · Inventors: Liebold, Gert; Krebs, Hans; Frey, Guenter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Deicing/antiicing fluids for, aircraft which contain essentially glycols crosslinked, polyacrylic acid, a nonionic surfactant based on alkoxylated C10-C20 alcohols, corrosion inhibitors a mixture of, NaOH and KOH, an antioxidant and water reduce the loss, of lift by having improved runoff characteristics from the wings while giving a refreeze holdover time of not less than 30 minutes.
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 March 3, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 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.