RE:RE:HPQ/PYR tech will dominate many industriesgizmo66 wrote: do you know if they have a patent on the fumed Silica process
Below is the only one that shows up under the HPQ name at the USPTO. Not sure who you mean by "they" but there could be something under someone else's name.
Invention title/Inventor SILICA TO HIGH PURITY SILICON PRODUCTION PROCESS Ali SHAHVERDI, Pierre CARABIN | Patent 11267714 Mar 8, 2022 | Publication 20180237306 Aug 23, 2018 | Application 15750331 Feb 5, 2018 | PCT | International registration |