Aqueous wax-alkyl phosphate salt-nonionic surfactant- resin coating composition
CA 1089576 A · Owner: E.I. Du Pont De Nemours And Company · Inventors: Coates, Don M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a coating composition which when applied on a fibrous nonwoven sheet of polyolefin and dried provides a sheet having antistatic properties high water, barrier and antislip properties. The composition consists of a specified wax, a specified antistat, a particular nonionic surfactant, a water-insoluble oleophilic binder resin water, end optionally a pigment. Nonwoven fibrous sheets of polyolefin coated with the composition are also disclosed.
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 November 11, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 11, 1997.
- 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.