Oil-based suspension concentrates
CA 2558421 C · Owner: Vermeer, Ronald · Inventors: Vermeer, Ronald; Reckmann, Udo; Fischer, Reiner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
New, oil-based suspension concentrates composed of: - at least one room-temperature-solid compound of the formula (I'): (see formula I'), - at least one penetrant of formula (Id): CH3-(CH2)t-CH2-O-(-CH2-CH2-O-)u-H, (Id) - at least one vegetable oil, - at least one nonionic surfactant and/or at least one anionic surfactant and, - optionally one or more additives which are emulsifiers foam inhibitors, preservatives, antioxidants colorants and/or inert filler materials a process for producing these suspension concentrates and their use for , applying , the active compound (I').
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
- Filed March 4, 2005 and granted April 30, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 4, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.