Thursday, July 10, 2014

United States Patent 5,003,186 : "Stratospheric Welsbach seeding for reduction of global warming" - CHEMTRAILS !!

Source: USPTO Patent Database

Stratospheric Welsbach seeding for reduction of global warming


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.

Chang; David B. (Tustin, CA), Shih; I-Fu (Los Alamitos, CA)
Hughes Aircraft Company (Los Angeles, CA)
Appl. No.:
April 23, 1990

Current U.S. Class:
250/505.1 ; 244/158.1; 250/503.1; 250/504R
Current International Class:
A01G 15/00 (20060101); G21K 001/00 ()
Field of Search:
250/505.1,54R,503.1,493.1 244/136,158R

U.S. Patent Documents:
3222675 December 1965 Schwartz
4755673 July 1988 Pollack et al.

Primary Examiner: Berman; Jack I.
Attorney, Agent or Firm: Sales; Michael W. Denson-Low; Wanda


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