Graphene Frontiers (Philadelphia) — historical

Evidence: PitchBook status + old NSF/raise notes. Not a living mill.

Parent: [[topics/manufacturing/directory]]

What it was

Graphene Frontiers LLC, 3624 Market Street, 5th Floor East, Philadelphia, PA 19104. Founded ~2010–11 (Johnson / Luo, UPenn) in company and PitchBook copy. Atmospheric-pressure CVD roll-to-roll; NSF scale-up grant $744k (2013); ~$1.6 million and GFET sensor brand (2014) in contemporaneous notes.

PitchBook: out of business 25 Nov 2020. Graphene-Info files it as historic. Do not list as operating.