Imidoperoxycarboxylic acids, processes for their preparation and their use
CA 1340443 C · Owner: Hoechst Aktiengesellschaft · Inventors: Gethoffer, Hanspeter; Reinhardt, Gerd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Imidoperoxycarboxylic acids, processes for their preparation and their use, Imidopercarboxylic acids or salts thereof of the formula in which A denotes a group of the formula , , , or, n denotes the number 0, 1 or 2 R1 denotes hydrogen, chlorine, bromine C1-C20-alkyl, C2-C20-alkenyl, aryl, or alkylaryl R2 denotes hydrogen, chlorine, bromine or a group of the formula -SO3M, -CO2M, CO3M or OSO3M, M denotes hydrogen an alkali metal or ammonium ion or, the equivalent of an alkaline earth metal ion and X denotes C3-C19-alkylene or arylene, preferably phenylene. These compounds are suitable as stable peroxide compounds in bleaching, oxidizing and cleaning agents.
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 16, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 16, 2016.
- 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.