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Birch Biosciences

Americas

Portland

,

United States

Startup

FOUNDED

2021

HEADCOUNT

2-20

FUNDING

Seed

Keywords:

enzymes, AI/ML, HTP_screening, plastics_recycling, directed_evolution

BUSINESS

Engineers enzymes using generative AI and high-throughput screening for enzymatic recycling of plastics such as PET into recycled resins. Develops engineered enzymes for enzymatic plastic recycling, breaking down PET and polyurethane into monomers for repolymerization into virgin-quality resin. Uses generative AI and high-throughput screening for enzyme design. Licensed NREL enzymatic PET deconstruction technology (June 2025).

BIOTECH INVOLVEMENT

Core; Portland-based YC (S22) startup using generative AI and high-throughput screening to engineer enzymes for enzymatic recycling of PET and other plastics into virgin-quality monomers.

TECHNOLOGY PLATFORM

Generative AI + high-throughput enzyme engineering

PRIMARY PRODUCTS

Engineered PETase and other plastic-degrading enzymes; enzymatic recycling processes

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