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EVIDENCE REGISTER / UPDATED 16 OCTOBER 2026

Markets already making commitments.

Find real purchasing criteria, published innovation priorities, supplier routes and venture investment mandates. Use them to design research and commercial opportunities—without mistaking a market signal for a confirmed CRT customer.

The evidence rule

These organizations have published programs and objectives. They have not committed to sponsor Arns, engage CRT or license any featured invention. Funding may be restricted by eligibility and selection.

Published funding program#01

Frontier

Mineralization research gaps with an R&D funding route. 2026 Innovation track prioritizes surficial mineralization contacting, feedstock activation, ocean alkalinity addition, and open-system MRV. R&D grants approximately $250K–$750K; rolling pre-applications.

Relevant decision roles
Innovation program team, CDR technical diligence, R&D grant reviewers
Published contact
prepurchase@frontierclimate.com
CRT opportunity fit
First proof: low-pressure air–mineral contacting and MRV; eligibility needs review.
No application, grant, selection or CRT relationship exists; mineralization must meet valid net-removal criteria.
Published procurement requirements#02

Microsoft

Independent verification and net-negative carbon removal. Microsoft publishes net-negative lifecycle requirements, independent verification criteria, and a carbon-removal proposal process.

Relevant decision roles
Carbon removal procurement, sustainability sourcing, CDR quality and standards
Published contact
mscdr@microsoft.com (portal-support questions)
CRT opportunity fit
Downstream buyer requirements: verification, durability, deliverable volumes.
Procurement program is not an offer of R&D funding; no CRT deal or accepted proposal.
Requirements publishedRead procurement requirements ↗
Documented investment mandate#03

United Airlines Ventures

Capital for startups supporting SAF and aviation energy supply chains. 2025 corporate impact reporting says Sustainable Flight Fund and 22 corporate partners committed more than $200M to explore SAF-related startup investments. Reported 2025 investments include Twelve and Heirloom.

Relevant decision roles
United Airlines Ventures investment team; Mukul Hariharan, Managing Partner and Sustainable Flight Fund lead
Published contact
Investment team via public Ventures website
CRT opportunity fit
Later-stage route for CO₂-to-fuels or SAF-enabling spinouts after technical and commercial proof.
Investment mandate, not a general research grant or promise of participation in CRT.
Published venture-client program#04

Holcim MAQER Ventures

Construction products, carbon capture and venture-client collaboration. Holcim describes early-stage investment, venture clienting, an accelerator program, operational access, and material-science and carbon-capture expertise.

Relevant decision roles
MAQER Ventures, innovation partnerships, construction materials R&D and procurement
Published contact
Official MAQER Ventures / Holcim contact route
CRT opportunity fit
Validate carbon-to-material formulations and possible deployment specifications.
No publicly verified sponsorship of CRT or current RFP for this proposed proof.
Published supplier pathway#05

Heidelberg Materials

Innovations that fit industrial cement and circular material supply chains. Public procurement information invites supplier relationships and identifies innovation, carbon capture and lower-emissions materials as priorities.

Relevant decision roles
Group procurement, strategic sourcing, innovation and plant development
Published contact
procurement@heidelbergmaterials.com
CRT opportunity fit
Potential specification owner for industrial carbon products and materials qualification.
Procurement access is not evidence of an active bid, budget, or materials-conversion mandate for CRT.
Supplier onboardingOpen procurement page ↗
Documented investment mandate#06

Amazon Climate Pledge Fund

Investment in technology companies with potential to advance net-zero operations. Amazon describes a corporate venture program with initial $2B commitment and a portfolio including CarbonCure, Infinium, and other climate technologies.

Relevant decision roles
Climate Pledge Fund investment team, decarbonization operations, strategic sourcing
Published contact
Official Climate Pledge Fund website
CRT opportunity fit
Spinout capital potential after customer validation and venture structuring.
Not a purchasing order or funding offer for independent concept development.

* Frontier's $250K–$750K R&D grant range applies to eligible selected proposals in its Innovation track, not a general project budget or guaranteed award. † Corporate fund commitments are not available grants. Each card links to the underlying publisher. Check program criteria and live status before approaching an organization.

ONE ENGINEERED STARTING POINT

Mineralization contacting systems: from public funding signal to a testable project.

Frontier's call names a genuine scientific obstacle: increasing CO₂ uptake by alkaline solids without excessive pressure drops, energy inputs or unverified carbon claims. We can assemble a research-and-market proof around that question.

Explore the flagship proof ↗
Illustrative carbon conversion industrial context