title: Graphene Frontiers (Philadelphia) — historical description: “UPenn APCVD / GFET startup. PitchBook: out of business Nov 2020.” tags:
- manufacturing
- historical
Evidence: PitchBook status + old NSF/raise notes. Not a living mill.
Parent: 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 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.