Abstract: Embodiments of the present disclosure may include method for extracting lithium from a mudstone ore. Embodiments of the present disclosure may also include a method for extracting lithium from a mudstone formation and sequestering carbon dioxide into the mudstone formation in situ.
Abstract: The invention concerns a method for extracting and fractionating fats contained in a raw material, characterized in that it comprises at least a step which consists in using an extraction solvent consisting of at least a hydrofluoroether of general formula (I): CnF2n+1OCmH2m+1, wherein: n ranges between 3 and 6 and m ranges between 1 and 5 and at least a separation step enabling to obtain a raw extract of fats rich in unsaponifiable substances and optionally, in free fatty acids and a insoluble extraction fraction.
Type:
Grant
Filed:
September 9, 2002
Date of Patent:
January 6, 2004
Assignee:
Extractive
Inventors:
Benoit LeMaire, Michel Surbled, Jacques Zwegers, Bernard Mompon
Abstract: The invention concerns a cosmetic composition comprising at least an aromatic compound and at least an agent for dissolving said aromatic compound, characterized in that said dissolving agent consists of perfluorinated hydrofluoroether preferably having a total number of carbon atoms not less than 5 and consisting of a perfluoroalkane chain, branched or not, cyclized or not, bound to an alkoxy group, said alkoxy group having a number of atom(s) between 1 and 7, said hydrofluoroether having a boiling point in atmospheric pressure ranging between +15° C. and +100° C. The invention enables the replacement of ethanol conventionally used in cosmetic compositions by at least one hydrofluoroether compound.
Type:
Grant
Filed:
July 17, 2000
Date of Patent:
June 3, 2003
Assignee:
Extractive
Inventors:
Michel Surbled, Benoit Lemaire, Philippe Mengal, Bernard Mompon
Abstract: A thermally operated valve for automatic control of the rate of flow of a fluid coolant for hot gases produced by underground gasification of solid fuel deposits or by in situ combustion in oil wells, incorporating a temperature-sensitive element comprising a metal tube several meters long to be incorporated in a pipe for supplying coolant to the well, and a rod of a metal having a low coefficient of expansion coaxial with the pipe, the upper end of which rod is attached to the upper part of the metal tube and the lower end of which rod is flexibly connected to a valve member by a connecting element having adjustable clearance or play.
Type:
Grant
Filed:
November 13, 1978
Date of Patent:
June 24, 1980
Assignee:
Institut National des Industries Extractives
Abstract: Radioelectric signals transmitted by a transmission line in the form of a sheathed cable having radiating sections whose length is chosen as a function of the wavelength in order to impart a directivity to their radial radiation or maximize the excitation of the monofilar mode in the downstream direction in relation to the transmitter.
Type:
Grant
Filed:
September 30, 1976
Date of Patent:
May 1, 1979
Assignee:
Institut National des Industries Extractives