BOPI 10 BR/2024 REPERTOIRE NUMERIQUE 15 (74) Cabinet Spoor & Fisher Inc. Ngwafor & Partners, The House of Gideon, Golf/Bastos Quater, Opposite The American Embassy, Entrance-Saint John Paul II Boulevard, P.O. Box 8211, YAOUNDE (CM). (57) The invention relates to a cryogenic process for recovering valuable components, in particular hydrogen, from a hydrogen-rich feed gas, in particular a hydrogen-rich natural gas, comprising the following steps: in a first séparation column (Tl), hydrocarbons having two or more carbon atoms are separated off, in a second séparation column (T2), methane is separated off, and in a third séparation column (T3) nitrogen is separated off, the hydrogen-rich feed gas, after optional precleaning R, being fed to the séparation columns Tl to T3 according to steps a) to c) and being separated in the séparation columns into a liquid fraction, the bottom product, and a gas fraction, the overhead product. In the cryogenic process according to the invention, the cold supply preferably takes place at least partially through one or more réfrigération cycles. Fig. 1 (11) 21663 Consulter le mémoire (51) G06F 21/31 (2018.01); G06F 21/41 (2018.01) ; G06Q 50/02 (2018.01) (21) 1202300199 - PCT/US2021/072575 (22) 23/11/2021 (30) US n° 63/117, 427 du 23/11/2020 (54) Systems And Methods For Requesting Unmanned Aerial Vehicle-Based Surveillance Services. (72) MADJITEY, George Eric Jr. (US) (73) GEM INDUSTRIAL SOLUTIONS LTD., 2 Koi St Ext Osu, ACCRA (GH) (74) Cabinet Spoor & Fisher Inc. Ngwafor & Partners, The House of Gideon, Golf/Bastos Quater, Opposite The American Embassy, Entrance-Saint John Paul II Boulevard, P.O. Box 8211, YAOUNDE (CM). (57) A method includes receiving from a user an SMS message request for a UAV-based agricultural service; in response to receiving the SMS message request, transmitting to the user one or more 5 prompts with predefined response options; generating a UAV-based agricultural service work request based on responses from the user to the prompts that comprise selections of predefined responses; transmitting automated voice calls to a plurality of UAV operators requesting acceptance of the UAV-based agricultural service work request; in response to receiving an acceptance from an accepting UAV operator during a voice call, transmitting a one-time 10 password to the accepting UAV operator; receiving an access request from the accepting UAV operator comprising the one-time password; and in accordance with a successful authentication based on the one-time password, associating the UAV-based agricultural service work request with the pre-establish account associated with the accepting UAV operator.
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