Synthetic traction fluid
CA 1282403 C · Owner: Komatsu, Yasuji · Inventors: Yoshimura, Narihiko; Komatsu, Yasuji; Tomizawa, Hirotaka
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A synthetic traction fluid comprising as a base, oil, at least one ester or its derivative selected from monoesters, diesters, triesters and derivatives thereof represented by the formula:, wherein Y is independently selected from and, - (CH2)n - OH A' is an ester linkage n is an, integer of 1 to 3, and R1 is independently selected from hydrogen and alkyl groups having 1 to 8 carbon atoms with, the proviso that at least one Y is,
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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 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 2, 2008.
- 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.