Yes, there are patents related to atmospheric injection of aerosols, particularly focusing on methods for mitigating climate change through stratospheric aerosol injection (SAI), such as US20100127224A1 for seeding the stratosphere with reflective particles. [
1,
2,
3]
Here's a more detailed explanation: [
2]
US20100127224A1:
This patent, titled "Atmospheric injection of reflective aerosol for mitigating global warming," discusses a method of depositing fine particles in the stratosphere to reduce global temperatures. [
2]
Methods for SAI:
The patent describes seeding the stratosphere with particles that have low emissivity in the near-infrared spectrum and high emissivity in the far-infrared and visible spectrums. [
2]
Other related patents:
Other patents exist related to aerosol delivery systems and methods for inducing cloud properties, such as US2756097A "Process for weather control". [
1,
3,
4]
Stratospheric aerosol injection (SAI) is a proposed geoengineering technique that aims to mimic the effects of volcanic eruptions by injecting aerosols into the stratosphere to reflect sunlight. [
3,
5,
6,
7]
Sulphate aerosols are a primary type of aerosol that could be used in SAI, reflecting sunlight back into space and potentially mitigating global warming. [
5,
8]
Generative AI is experimental.
[1]
https://patents.google.com/patent/US20100071771A1/en
[2]
https://patents.google.com/patent/US20100127224A1/en
[3]
https://en.wikipedia.org/wiki/Stratospheric_aerosol_injection
[4]
https://patents.google.com/patent/US2756097A/en
[5]
https://csl.noaa.gov/news/2023/390_1107.html
[6]
https://pubmed.ncbi.nlm.nih.gov/34233386/
[7]
https://www.gatech.edu/news/2024/01/30/can-solar-geoengineering-save-world
[8]
https://www.osti.gov/servlets/purl/1000289