Water treatment polymer
CA 1314357 C · Owner: Bainbridge, Peter · Inventors: Montague, Peter Graham; Bainbridge, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Aqueous media are treated to reduce or prevent the deposition of solid material therein comprising the addition to the water of an effective amount of at least one polymer or copolymer formed from a -monomer of the following general structure: where R1 is independently H or CH3; X is (CH2)n with n an integer of 0 or 1 or , ; n1 is an integer of 1 to 10; and M is a metal cation, ammonium or hydrogen.
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 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 9, 2010.
- 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.