Amino-s-triazine salts of bis-(pentaerythritol phosphate) phosphoric acid
CA 1215057 A · Owner: Great Lakes Chemicals Corporation · Inventors: Niswander, Ron H.; Halpern, Yuval; Mott, Donna M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PROCESS FOR PREPARING, AMINE SALTS OF PHOSPHORIC ACIDS ABSTRACT:, A process for preparing amino-s-triazine salts of bis-(pentaerythritol phosphate) phosphoric acid. The process involves reacting the particular amine with the corresponding acid chloride i.e. the, phosphorous oxychloride, in the presence of water. The salts are effective flame-retardants in a number of different types of polymers.
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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 December 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 2003.
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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.