Sampling bottle for chlorinated organic compounds
CA 2283260 C · Owner: Yamashita, Masazumi · Inventors: Fujita, Susumu; Sato, Tominori; Hatada, Mamoru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sampling bottle (3) capable of sampling both corpuscular and gaseous chlorinated organic compounds, which are contained in a fluid by capturing , the same simultaneously comprising a housing (6), and a capturing member (7) provided in the interior of the housing the capturing member (7) having a , porous tubular core (7a) which is closed at one end thereof with a closing element (7c) and formed of sintered glass and a gas permeable sheet (7b) , provided on an outer circumferential surface of the core (7a) the gas , permeable sheet (7b) comprising for example, a paper-like member containing fibrous active carbon and inorganic fibers the corpuscular and gaseous , chlorinated organic …
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 January 18, 1999 and granted July 2, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 18, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 18, 2021.
- 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.