An apparatus and process for continuously processing a film by cvd technique
CA 2217543 A1 · Owner: Aoyagi, Tsutomu · Inventors: Mochizuki, Kiyohito; Tohyama, Shunroku; Yamashita, Masayuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention discloses an apparatus and process for continuously processing a film by CVD technique in which a very thin organic compound coating with special functions such as water repellency is formed continuously and stably on a continuously running film. The present invention provides an apparatus for continuously processing a film by CVD technique comprising a, vacuum vessel, a vacuum pump connected to said vacuum vessel a vessel which is filled with a compound capable of forming an organic compound coating when plasma-polymerized and can heat the compound for vaporization, a feed roll system for continuously feeding a film into said vacuum vessel a take-up, roll system for …
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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 6, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 6, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 6, 2019.
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Timeline
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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.