Glass fiberizing combustion fuel mixture
CA 2393741 A1 · Owner: Li, Jianjun · Inventors: Li, Jianjun
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A combustion fuel mixture is provided for heating a fiberizer spinner for the production of glass fiber. In a first embodiment oxygen enriched air is added , to natural gas to form the combustion fuel mixture. In a second embodiment pure oxygen is mixed with natural gas to form the combustion fuel mixture. Combustion of the combustion fuel mixture reduces emissions increases , efficiency of glass fiber production and reduces the amount of natural gas required to heat the fiberizer.
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 December 12, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 12, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 12, 2022.
- 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.