BASF Venture Capital invested $2.7m of the total. Oliver Guthmann, investment manager at BASF Venture Capital, said: "We have followed FRX's progress since 2008 and we are excited to take part in its series B round of financing."

FRX Polymers, a US-based maker of environmentally-friendly flame-retardant plastic, has extended its series B round by $11m from a consortium co-led by Germany-based chemicals company BASF’s corporate venturing unit.

BASF Venture Capital invested $2.7m of the total. Oliver Guthmann, investment manager at BASF Venture Capital, said: "We have followed FRX’s progress since 2008 and we are excited to take part in its series B round of financing."

Alongside BASF Venture Capital in the B round extension was DB Masdar Fund,…