Mixtures comprising stabilizers and iminophosphoranes
CA 2373013 A1 · Owner: Basf Aktiengesellschaft · Inventors: Appel, Manfred; Koch, Andreas; Trauth, Hubert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to mixtures containing the following components: A) stabilisers for protecting organic materials against the harmful effects of light, heat and/or oxidation; B) iminophosphoranes as flameproofing agents for organic materials, C) optionally, other halogen-free flameproofing agents that are different from iminophosphoranes and D) optionally other additives. The , invention also relates to the use of mixtures of this type as combined stabilisers and flameproofing agents for organic materials especially for , plastics, and to organic materials especially plastics, containing mixtures of this type.
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 April 27, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 27, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 27, 2022.
- 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.