Method for removing odor from fluid
CA 1107412 A · Owner: Oji Paper Co. Ltd. · Inventors: Kita, Yukio; Horikoshi, Kouki; Ishikawa, Hisao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for removing malodorous sulfur compounds from a fluid containing such compounds. In this method fungi belonging to genera Cephalosporium Paecilomyces, Penicillium, Aspergillus Trichoderma and Mucor can be used for, effectively removing malodorous sulfur compounds from a fluid.
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
- Granted August 18, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 1998.
- 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.