(JP9132580-A)      Gas storage appts. for use in storing a gas including methane as a main component comprises: (a) an entrance/exit opening for allowing entrance and exit of the gas to be stored; (b) a gas-tight maintaining mechanism capable of maintaining the gas under a pressurised state inside a container; and (c) a pressure vessel which may be constantly maintained at a normal temp. and which accommodates an organometallic complex with a one-dimensional channel structure. A gaseous fuel automobile is also claimed and includes the above gas storage appts. and an internal combustion engine powered by the gas supplied from the storage appts.. Further claimed is a gas storage method including the adsorption and retaining of a target gas under pressurised, normal temp. condition on an adsorbing-retaining agent comprising as the main component an organometallic complex as above. A methane absorbing-retaining agent is obtd. by mixing carboxylic acid dissolved in organic solvent with a soln. contg. at least one salt of Cu, Mo, Cr, Rh, W and Pd. The agent comprises as main component the above organometallic complex.    USE -   The appts. for storing gas including methane for use in gaseous fuel automobiles.    ADVANTAGE -   The inexpensive appts. includes an organometallic complex which is a gas absorbing-retaining agent. It has increased vol. adsorbing capacity and stable pore structure.    (JP9196296-A)      Gas storage appts. for use in storing a gas including methane as a main component comprises: (a) an entrance/exit opening for allowing entrance and exit of the gas to be stored; (b) a gas-tight maintaining mechanism capable of maintaining the gas under a pressurised state inside a container; and (c) a pressure vessel which may be constantly maintained at a normal temp. and which accommodates an organometallic complex with a one-dimensional channel structure. A gaseous fuel automobile is also claimed and includes the above gas storage appts. and an internal combustion engine powered by the gas supplied from the storage appts.. Further claimed is a gas storage method including the adsorption and retaining of a target gas under pressurised, normal temp. condition on an adsorbing-retaining agent comprising as the main component an organometallic complex as above. A methane absorbing-retaining agent is obtd. by mixing carboxylic acid dissolved in organic solvent with a soln. contg. at least one salt of Cu, Mo, Cr, Rh, W and Pd. The agent comprises as main component the above organometallic complex.    USE -   The appts. for storing gas including methane for use in gaseous fuel automobiles.    ADVANTAGE -   The inexpensive appts. includes an organometallic complex which is a gas absorbing-retaining agent. It has increased vol. adsorbing capacity and stable pore structure.    (US5862796-A)      Gas storage appts. for use in storing a gas including methane as a main component comprises: (a) an entrance/exit opening for allowing entrance and exit of the gas to be stored; (b) a gas-tight maintaining mechanism capable of maintaining the gas under a pressurised state inside a container; and (c) a pressure vessel which may be constantly maintained at a normal temp. and which accommodates an organometallic complex with a one-dimensional channel structure. A gaseous fuel automobile is also claimed and includes the above gas storage appts. and an internal combustion engine powered by the gas supplied from the storage appts.. Further claimed is a gas storage method including the adsorption and retaining of a target gas under pressurised, normal temp. condition on an adsorbing-retaining agent comprising as the main component an organometallic complex as above. A methane absorbing-retaining agent is obtd. by mixing carboxylic acid dissolved in organic solvent with a soln. contg. at least one salt of Cu, Mo, Cr, Rh, W and Pd. The agent comprises as main component the above organometallic complex.    USE -   The appts. for storing gas including methane for use in gaseous fuel automobiles.    ADVANTAGE -   The inexpensive appts. includes an organometallic complex which is a gas absorbing-retaining agent. It has increased vol. adsorbing capacity and stable pore structure.    (US5998647-A)      Gas storage appts. for use in storing a gas including methane as a main component comprises: (a) an entrance/exit opening for allowing entrance and exit of the gas to be stored; (b) a gas-tight maintaining mechanism capable of maintaining the gas under a pressurised state inside a container; and (c) a pressure vessel which may be constantly maintained at a normal temp. and which accommodates an organometallic complex with a one-dimensional channel structure. A gaseous fuel automobile is also claimed and includes the above gas storage appts. and an internal combustion engine powered by the gas supplied from the storage appts.. Further claimed is a gas storage method including the adsorption and retaining of a target gas under pressurised, normal temp. condition on an adsorbing-retaining agent comprising as the main component an organometallic complex as above. A methane absorbing-retaining agent is obtd. by mixing carboxylic acid dissolved in organic solvent with a soln. contg. at least one salt of Cu, Mo, Cr, Rh, W and Pd. The agent comprises as main component the above organometallic complex.    USE -   The appts. for storing gas including methane for use in gaseous fuel automobiles.    ADVANTAGE -   The inexpensive appts. includes an organometallic complex which is a gas absorbing-retaining agent. It has increased vol. adsorbing capacity and stable pore structure.    (RU2148204-C1)      Gas storage appts. for use in storing a gas including methane as a main component comprises: (a) an entrance/exit opening for allowing entrance and exit of the gas to be stored; (b) a gas-tight maintaining mechanism capable of maintaining the gas under a pressurised state inside a container; and (c) a pressure vessel which may be constantly maintained at a normal temp. and which accommodates an organometallic complex with a one-dimensional channel structure. A gaseous fuel automobile is also claimed and includes the above gas storage appts. and an internal combustion engine powered by the gas supplied from the storage appts.. Further claimed is a gas storage method including the adsorption and retaining of a target gas under pressurised, normal temp. condition on an adsorbing-retaining agent comprising as the main component an organometallic complex as above. A methane absorbing-retaining agent is obtd. by mixing carboxylic acid dissolved in organic solvent with a soln. contg. at least one salt of Cu, Mo, Cr, Rh, W and Pd. The agent comprises as main component the above organometallic complex.    USE -   The appts. for storing gas including methane for use in gaseous fuel automobiles.    ADVANTAGE -   The inexpensive appts. includes an organometallic complex which is a gas absorbing-retaining agent. It has increased vol. adsorbing capacity and stable pore structure.