Phosphonylated amides and their use in flameproofing processes
CA 1094091 A · Owner: Compagnie Francaise De Produits Industriels · Inventors: Ruel, Jacques; Schapira, Joseph; Bleriot, Alain
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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New phosphonylated amides and their use in flameproofing processes, in the name of COMPAGNIE FRANCAISE DES PRODUITS INDUSTRIELS The invention concerns new phosphonylated amides. These amides correspond to the general formula in which X is oxygen or sulphur, Y1, Y2 represent hydrogen or an alkyl or alkene group in C1 - C4; R1 R2, R3, R4, R5, represent an alkyl, alkene or alkyl halide group; R3 R4, R5 can be in addition a hydrogen (atom); Z1 Z2 are, residues containing more than one atom of nitrogen corresponding to guanidine, an alkylguanidine an alkyl, urea, alkenepolyamines, aminoguanidine or hydrazine; m and n are 0 or 1 and p is 1 or 2. These phosphonylated amides are used especially as …
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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 January 20, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 20, 1998.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.