Laminated polyethylene 2, 6-naphthalate film
CA 2095167 A1 · Owner: Fujita, Masato · Inventors: Otani, Yuzo; Fujita, Masato; Kinoshita, Shin-Ichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A laminated polyethylene 2,6-naphthalate film having a polyethylene 2,6-naphthalate film and a coating layer which is formed on at least one surface of the polyethylene 2,6-naphthalate film and comprises at least one water-soluble or dispersible resin selected from the group consisting of polyesters, polyurethanes and polyacrylic resins, and satisfying the following properties: (1) an F5 value in a machine direction of at least 1.5 x 108 Pa (2) a, Young's modulus in a machine direction of at least 5.9 x 109 Pa, (3) a Young's modulus in a transverse direction of at least 5.9 x 109 Pa, and (4) a surface roughness Ra of the coating layer of not larger than 0.020 µm which laminated, film is …
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 April 29, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 29, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 29, 2015.
- 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.