Birch Biosciences, LLC
Engineered polyurethanase enzymes for breaking down polyurethane plastic waste into recyclable chemical building blocks
- Sector
- Clean tech
- Headquarters
- Portland, OR
- Total capital
- $3.2M
- Federal grants
- $3.2M
- 4 awards · 2022–2024
- Rank in peer group#2 of 21
- Private capital raised
- None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 0
- 7 pending
Capital timeline
Latest events
- Federal grantNSF · Phase II · SBIR Phase II: Enzymes for Accelerated Plastic Recycling$1M
- Federal grantEnergy · Phase II · Engineered Enzymes for Polyurethane Recycling$1.6M
- Federal grantNSF · Phase I · SBIR Phase I:Enzymes for Accelerated Plastic Recycling$256K
- Federal grantEnergy · Phase I · 31a. Enzyme cocktails for mixed plastic recycling$256K
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Standing among 21 peers
Line = medianClean tech · Molecule
- Federal grants#2 · top 10%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
No founders are linked to this company yet.
Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.
Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026
Claim this profile to add your teamWhat it has protected
USPTO · 0 granted of 7- PendingHydrolase Variants And Methods Of Use ThereofUSPTOApplication PCTUS2025025817
- PendingPlastic Nanoparticle Compositions And Methods Of Use ThereofUSPTOApplication PCTUS2025011826
- PendingHydrolases And Methods Of Use ThereofUSPTOApplication PCTUS2025011799
Show all 7 patent records
- Hydrolase Variants And Methods Of Use ThereofApplication PCTUS2025025817Pending
- Plastic Nanoparticle Compositions And Methods Of Use ThereofApplication PCTUS2025011826Pending
- Hydrolases And Methods Of Use ThereofApplication PCTUS2025011799Pending
- Hydrolase Variants And Methods Of Use ThereofApplication 63721137Pending
- Hydrolase Variants And Methods Of Use ThereofApplication 63637820Pending
- Plastic Nanoparticle Compositions And Methods Of Use ThereofApplication 63621759Pending
- Hydrolases And Methods Of Use ThereofApplication 63621751Pending
Related companies, and why
- GREEN LIGHT LABS, INC.Similar federal contract value in Clean tech · null in contracts
- Organic Transit, Inc.Similar federal contract value in Clean tech · null in contracts
- RENEWCO2 INC.Similar federal contract value in Clean tech · null in contracts
- Bioroot Energy, Inc.Similar federal contract value in Clean tech · null in contracts
- VAYUH INCSimilar federal contract value in Clean tech · null in contracts
- WORKING TREES, INCSimilar federal contract value in Clean tech · null in contracts
Regulatory activity · Clean tech
- Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
- Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
- Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency
- Chlormequat Chloride; Pesticide TolerancesEnvironmental Protection Agency
Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .