Imperial Innovations, the tech transfer unit of Imperial College London (ICL), has backed Econic Technologies, a spin-out from the institution, in a £5.1m ($8.4m) series A.

Innovations is joined by Jetstream Capital, a US-based family fund, in the latest round, which brings Econic’s total venture backing to £6.2m following a 2012 seed round, also supported by Innovations.

London-based Econic is developing processes for manufacturing polymers from waste carbon dioxide. Founded in 2011, the company plans to use the latest funding…