Alkemy Environmental Patents

Patent portfolio assigned to Alkemy Environmental (verified via public assignee records). Estimated patent count: 3. Somerville, MA advanced-materials/cleantech company (founded 2008 by Sofia Bethani and Peter Kombouras; Greentown Labs; Techstars 2019). Patented process recycling 16+ industrial waste streams (incinerator bottom ash, sewage sludge, etc.) into structural-grade lightweight concrete aggregate. Patents confirmed on Google Patents/Justia (inventor Sofia Bethani; e.g. US7704317B2, US8206504B2, US7780781B2) under assignee Alkemy Ltd; count is a visible lower-bound estimate. Direct competitor IBAgreen per CB Insights. No named customers sourceable.