Process for synthesis of 2-vinyl-4,6-diamino-s- triazine
CA 1251794 A · Owner: Shikoku Chemicals Corporation · Inventors: Masuda, Takeshi; Sawa, Natsuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a process for the synthesis of 2vinyl-4,6-diamino-S-triazine having the following structural formula:, which comprises heating an imidazolyl-S-triazine compound represented by the following general formula: wherein R1 stands for a hydrogen atom, a methyl group or an ethyl group, and R2 stands for a hydrogen atom or a methyl group, or an isocyanuric acid-addition product thereof under reduced pressure in the presence of a polymerization inhibitor. According to this process, 2-vinyl-4,6-diamino-Striazine can be manufactured at a low cost on an industrial scale. The product of the process is useful as a comonomer.
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 28, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 28, 2006.
- 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.