GENEVA, Nov. 24 -- UNISIEVE AG (Binzstrasse 98045 Zurich) filed a patent application (PCT/IB2025/054620) for "MULTI-STAGE MEMBRANE PROCESS FOR EFFICIENT GAS SEPARATION" on May 02, 2025. With publication no. WO/2025/238466, the details related to the patent application was published on Nov 20, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): HESS, Samuel (Englischviertelstrasse 288032 Zurich), JEHANNIN, Marie (Schobuliweg 10D-78462 Konstanz), SCHNEIDER, Elia (Nordstrasse 348200 Schaffhausen)
Abstract: A process for obtaining a pure gas product (2') of desired gas (2) from a mixed gas stream (...