Stratospheric Welsbach seeding for reduction of global warming

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United States of America Patent

PATENT NO 5003186
SERIAL NO

07513145

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method is described for reducing atmospheric or global warming resulting from the presence of heat-trapping gases in the atmosphere, i.e., from the greenhouse effect. Such gases are relatively transparent to sunshine, but absorb strongly the long-wavelength infrared radiation released by the earth. The method incudes the step of seeding the layer of heat-trapping gases in the atmosphere with particles of materials characterized by wavelength-dependent emissivity. Such materials include Welsbach materials and the oxides of metals which have high emissivity (and thus low reflectivities) in the visible and 8-12 micron infrared wavelength regions.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
RAYTHEON COMPANYLEXINGTON, MA4657

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, David B Tustin, CA 96 1353
Shih, I-Fu Los Alamitos, CA 29 658

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