Marine anti-fouling formulation containing a soluble phase including an organotin polymer in combination with an insoluble phase including a crosslinked organotin polymer
CA 1237218 A · Owner: Midwest Research Institute · Inventors: Chappelow, Cecil C. Jr.; Kimmel, Albert L.; Castelli, Vincent J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coating composition for marine structures containing a soluble acrylic organotin polymer and a soluble metal-free acrylic polymer, in combination with an insoluble crosslinked organotin polymer and an, insoluble filler in a coating composition solvent can provide a tough, durable flexible coating and can provide extended protection to marine structures from the growth or accumulation of marine organisms.
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 May 24, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2005.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.