Sulfide-oxidizing bacteria and process therewith
CA 2178137 C · Owner: Jenneman, Gary E. · Inventors: Gevertz, Diane; Jenneman, Gary E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bacterial culture which comprises a Campylobacter-like species is provided. The bacterial culture is capable of oxidizing a sulfide compound in a fluid such as for example, a produced brine. Also provided is a process for substantially reducing sulfide content in a fluid wherein the process comprises contacting the fluid with a bacterial culture which comprises a Campylobacter-like species.
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 June 4, 1996 and granted September 7, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 4, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 4, 2018.
- 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.