Captura Corp.
Thin film composite hollow fiber membranes with PDMS coating for CO2 stripping in direct ocean capture systems
- Sector
- Clean tech
- Headquarters
- Pasadena, CA
- Founded
- 2021
- Latest Form D
- $12M, Dec 2022
- Total capital
- $12.3M
- Federal grants
- $250K
- 1 award · 2022
- Rank in peer group#12 of 28
- Private capital raised
- $12M
- 1 Form D · last Dec 2022
- 46 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 1
- 8 pending · first 2025
- Rank in peer group#5 of 28
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 1st filing$12M
- Federal grantEnergy · Phase II · Development of Thin Film Composite Hollow Fiber Membranes for Direct Ocean Capture$250K
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.
Federal first
4months
from Captura Corp.’s first federal award to its first private round.
- First federal award · Sep 2022
- Energy · $250K
- First Form D · Dec 2022
- $12M · 1st Form D
- Awards before first raise
- 1 award
An association in public records, not a cause or a prediction.
Standing among 28 peers
Line = medianClean tech · Material
- Federal grants#12 · top 43%
- Granted patents#5 · top 18%
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
Researcher links verified by same-company patents and grants- Chengxiang XiangResearcherExecutive Officer, DirectorLinked by $250K in grants as PI
- Ed James PhillipsDirectorNamed in SEC Form D filings
- Harry AtwaterExecutive Officer, DirectorNamed in SEC Form D filings
- Michael James WheelerDirectorNamed in SEC Form D filings
- Stephen James OldhamExecutive OfficerNamed in SEC Form D filings
What it has protected
USPTO · 1 granted of 9- PendingExtracting Carbon Dioxide from Seawater Using Bubble ReactorsUSPTOApplication 19056493
- PendingExtracting Carbon Dioxide from Seawater Using Substrate-Induced NucleationUSPTOApplication 19067581
- GrantedDirect Removal of Carbon Dioxide from Oceanwater based on a Composite MembraneUSPTOUS 12,202,743
Show all 9 patent records
- Extracting Carbon Dioxide from Seawater Using Bubble ReactorsFeb 26, 2026 · Application 19056493Pending
- Extracting Carbon Dioxide from Seawater Using Substrate-Induced NucleationSep 4, 2025 · Application 19067581Pending
- Direct Removal of Carbon Dioxide from Oceanwater based on a Composite MembraneJan 21, 2025 · US 12,202,743Granted
- Direct Removal Of Carbon Dioxide From Oceanwater Based On A Composite MembraneApplication PCTUS2024020772Pending
- Extracting Carbon Dioxide from a Solution using Substrate-Induced NucleationApplication 63560325Pending
- Extracting Carbon Dioxide From Seawater Using Substrate-induced NucleationApplication PCTUS2025017965Pending
- Direct Removal of Carbon Dioxide from Oceanwater based on a Composite MembraneApplication 63491507Pending
- Extracting Carbon Dioxide From Seawater Using Bubble ReactorsApplication PCTUS2025016349Pending
- Extracting Carbon Dioxide from Ocean Water using Bubble ReactorsApplication 63685043Pending
Related companies, and why
- AtmetoSimilar federal contract value in Clean tech · null in contracts
- BassInSight, Inc.Similar federal contract value in Clean tech · null in contracts
- SUNNY CLEAN WATER LLCSimilar federal contract value in Clean tech · null in contracts
- HOME GROWN FUELS, LLCSimilar federal contract value in Clean tech · null in contracts
- RADIANT INNOVATION LLCSimilar federal contract value in Clean tech · null in contracts
- PROVE IT, LLCSimilar 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 .