Electrostatic dissipative composition
CA 2280028 A1 · Owner: Mor, Ebrahim · Inventors: Mor, Ebrahim
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Thermoplastic compositions are provided which have electrostatic dissipative properties. The thermoplastic composition is prepared by combining at least the following initial ingredients: (i) a thermoplastic polyurethane which is , prepared by reacting a polyalkylene glycol a diisocyanate and a chain , extender having at least two hydroxyl groups; (ii) a thermoplastic polyester wherein the polyester is a polylactone; and (iii) a quaternary ammonium compound. The composition may additionally include an organic polymer to which is imbued electrostatic dissipative properties as a result of incorporating the three initial ingredients.
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
- Filed February 2, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 2, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 2, 2020.
- 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.