Described here are compositions, methods and apparatus for biological and physical geoengineering. Disclosed are inorganic particles, prill, pucks, or floats for dispersal on a body of water, the compositions having several properties: 1) positive buoyancy, 2) a sustained-release matrix for delivery...http://www.google.fr/patents/US20090227161?utm_source=gb-gplus-shareBrevet US20090227161 - Biophysical Geoengineering Compositions and Methods
Biophysical Geoengineering Compositions and Methods
Numéro de demande: 12/463,409 Numéro de publication: US 2009/0227161 A1 Date de dépôt: 10 mai 2009 Brevet délivré: US8033879 ( Date de délivrance 11 oct. 2011)