Geopolymer Low-Carbon / LCA Patent Landscape 2026
The geopolymer low-carbon and life-cycle assessment space is in a growth stage, with a 38% rise in filings over the recent window and India accounting for the largest share of patent office activity. The field is lightly concentrated — the top five filers share leadership — and the dominant technical axis is cementitious and refractory chemistry, leaving several adjacent application branches comparatively open.
B TON IP GMBH and ALSITEK co-lead a fragmented, early-stage field
B TON IP GMBH and ALSITEK each hold the highest individual tally among ranked applicants, followed by PLANTAER INC. The top five filers together account for 32% of the combined total of the hundred largest filers, a figure that reflects moderate rather than tight concentration.
Below the top two, the ranking drops quickly to single-digit counts, and a large portion of applicants are individual inventors or small engineering colleges — a profile typical of a field still establishing its industrial base.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | B TON IP GmbH | 5 | |
| 2 | ALSITEK | 5 | |
| 3 | PLANTAER INC | 3 | |
| 4 | The Hong Kong Polytechnic University | 2 | |
| 5 | Carbon Craft Design Pte Ltd | 2 | |
| 6 | Easwari Engineering College | 2 | |
| 7 | DR SUDHIR CHANDRA SUR INST OF TECH & SPORTS COMPLEX | 1 | |
| 8 | Koneru Lakshmaiah Education Foundation | 1 | |
| 9 | Dr. K. M. Gopalakrishnan | 1 | |
| 10 | Dr. Sudarshan N. M. | 1 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Shaswat Kumar Das | 1 | |
| 12 | SRM INSTITUTE OF SCIENCE & TECHNOLOGY RAMAPURAM CA… | 1 | |
| 13 | National Institute of Technology Calicut | 1 | |
| 14 | Velammal Engineering College | 1 | |
| 15 | Sethu Institute of Technology | 1 | |
| 16 | Dr. G. Sree Lakshmi Devi | 1 | |
| 17 | Government College of Technology, Coimbatore | 1 | |
| 18 | Mayankeshwar Singh | 1 | |
| 19 | Abhishek Tiwari | 1 | |
| 20 | Dr. Mukesh Ruhela | 1 |
The co-leadership of a European IP holding entity (B TON IP GMBH) and a specialist geopolymer firm (ALSITEK) alongside a Singapore-registered carbon-materials company (Carbon Craft Design) signals that early mover advantage is contested across very different organizational types.
Filing counts for the most recent 18–24 months are likely understated owing to standard patent publication lag and should not be read as a plateau. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Annual activity is rising and technology remains anchored in cement chemistry
The two charts together show a field that is picking up pace while remaining technically concentrated in one dominant IPC class, with a scatter of adjacent classes that may represent the next wave of application development.
Annual filing trend
Recorded filings were negligible before 2019, reached a modest pulse in 2021 and 2023, then accelerated sharply in 2024 and 2025. The 2025 and 2026 bars are subject to publication lag and will grow as disclosures are published; the underlying growth signal is therefore stronger than the raw counts suggest.
↗ Hover for values · click a bar to ask EurekaTechnology composition
C04B (ceramics, cement and refractories) dominates the IPC mix by a wide margin, confirming that geopolymer binder chemistry is the core technical axis. Coatings (C09D), mixing equipment (B01F), and concrete processing (B28C, B28B) each appear at low counts, pointing to application areas that are present but sparse relative to the binder work.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Carbon-Absorbing Algae Concrete and Method of Prod…
A carbon-sequestering geopolymer concrete composition and method of manufacture is disclosed. The composition comprises a geopolymeric binder phase of aluminosilicate materials and an alkaline activator, coarse and fine aggregates, dried marine algae powder, and optional supplementary cementitious materials. This enables significantly reduced carbon dioxide… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Geopolymer coating and mortar | 27 |
| 2 | Geopolymer coating and mortar | 13 |
| 3 | Carbon-absorbing concrete and method of production | 3 |
| 4 | Carbon-Absorbing Algae Concrete and Method of Prod… | 2 |
| 5 | Geopolymer-based sub-ambient daytime radiative coo… | 2 |
| 6 | Geopolymer coating and mortar | 2 |
| 7 | Carbon-Sequestering Concrete Composition with Enha… | 1 |
| 8 | A method of developing geopolymer concrete,mortar … | 1 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the competitive structure means for R&D investment
A growth-stage field with moderate concentration and a dominant technical axis offers both room for fast-followers and meaningful risk of lock-in by early leaders in the core chemistry class.
Growth stage with accelerating filings
The lifecycle evidence classifies this field as Growth, with annual filings still rising and recent-window growth at 38%. The corpus is small enough that a focused filing campaign can materially shift relative rank. Teams entering now can still establish a defensible position in the core C04B space, but the window is narrowing as activity accelerates.
Growth stageModerate top-tier concentration, fragmented mid-tier
The top five filers hold 32% of the hundred largest filers’ combined total — moderate by industry standards. The mid-tier is dominated by academic institutions and individual inventors, particularly from India, which means commercially focused applicants have limited direct competitive pressure from that cohort but face potential freedom-to-operate questions as academic filings accumulate.
Moderate concentrationMinimal co-filing; one recorded partnership
The only documented co-applicant relationship is between Easwari Engineering College and SRM Institute of Science and Technology Ramapuram, with one joint filing. No cross-sector or industry-academia collaboration at scale is evident from the evidence. This thin collaboration network suggests the ecosystem has not yet organized around shared platforms or consortia, which may represent both a gap and an opening for a well-resourced entrant to anchor a coalition.
Early ecosystemIndia is the primary filing office; US and PCT are secondary
India leads all jurisdictions by a substantial margin, reflecting the strong presence of Indian engineering colleges and inventors in the applicant base. The United States and WIPO PCT filings are the next largest channels, with European (EPO) coverage thin. R&D teams targeting global commercialization should assess whether existing Indian filings have been or will be nationalized into key markets via PCT.
India-led, US/PCT secondaryGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Easwari Engineering College | SRM INSTITUTE OF SCIENCE & TECHNOLOGY RAMAPURAM CA… | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
B TON IP GMBH and ALSITEK lead on volume; new entrants are emerging
Two applicants share the top position by patent record count, but the momentum data reveals a wave of new entrants suggesting the leader board is not yet stable.
B TON IP GMBH
B TON IP GMBH holds 5 patent records, the highest count among ranked applicants, with its portfolio concentrated entirely in C04B ceramics, cement and refractories subclasses — specifically C04B 28, C04B 20, and C04B 40. Its position as a European IP holding entity suggests a strategy of consolidating geopolymer binder IP for licensing or enforcement rather than direct manufacturing. No momentum trend data is available in the evidence for this entity under its English name.
patent records: 5ALSITEK
ALSITEK matches B TON IP GMBH at 5 patent records and is classified in the evidence as a specialist geopolymer firm. PLANTAER INC follows at 3 patent records, with its filings concentrated in C04B 103, C04B 12, and C04B 22 subclasses — a profile oriented toward low-carbon concrete formulation. Hong Kong Polytechnic University entered as a new entrant in the momentum window with 2 recent patent records, focusing on C04B 12 and C04B 14 subclasses.
patent records: 5| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| B TON IP GmbH | 1 | ▲ new entrant |
| PARDEEP KUMAR | 1 | ▲ new entrant |
| LAFAVE MICHAEL | 3 | ▲ new entrant |
| The Hong Kong Polytechnic University | 2 | ▲ new entrant |
Coatings, mixing systems, and shaping processes are under-served relative to binder chemistry
Several IPC branches appear in the corpus at low counts relative to the dominant C04B class. These are observations of relative sparsity; they may represent under-served areas with plausible technical value, but commercial opportunity depends on factors beyond filing density.
C09D · Geopolymer coatings, paints and functional surface treatments
With only 5 patent records, the coatings and paints branch (C09D) is sparse relative to the binder work, yet geopolymer-based protective coatings have a credible technical rationale — high-temperature resistance, chemical durability, and low-carbon credentials versus polymer or epoxy alternatives. The top-cited patents include geopolymer coating and mortar references that draw significant citations, suggesting latent demand for protectable coating formulations. An entrant with surface-chemistry expertise and access to geopolymer precursor streams has a plausible entry path through functional coating differentiation.
Search this in Eureka →B28B / B28C · Shaping and mixing processes for geopolymer products
The concrete mixing (B28C) and product shaping (B28B) branches each appear at 3 and 2 patent records respectively, indicating that process and equipment IP around geopolymer production has received limited attention compared with formulation chemistry. As geopolymer concrete scales toward commercial construction volumes, mixing protocols, curing conditions, and precast shaping methods become differentiating and protectable. Teams with process engineering capability — particularly in 3D printing (B33Y also appears at 1 record) — could establish IP in the production-process layer that complements rather than competes directly with the dominant binder IP.
Search this in Eureka →How leading applicants differ by technology route
Route coverage across the main technology branches in the current evidence set.
| Player | C04B 28 · Ceramics, cement & refractories | C04B 18 · Ceramics, cement & refractories | C04B 111 · Ceramics, cement & refractories | C04B 22 · Ceramics, cement & refractories | C04B 12 · Ceramics, cement & refractories |
|---|---|---|---|---|---|
| PLANTAER INC | Strong · 3 | Absent | Absent | Strong · 3 | Strong · 3 |
| B TON IP GmbH | Strong · 5 | Absent | Strong · 3 | Absent | Absent |
| Carbon Craft Design Pte Ltd | Strong · 5 | Absent | Absent | Moderate · 2 | Absent |
| Michael LaFave | Absent | Strong · 3 | Strong · 2 | Absent | Strong · 2 |
| The Hong Kong Polytechnic University | Strong · 2 | Absent | Absent | Strong · 2 | Strong · 2 |
| Carbon Craft Design Pte Ltd | Strong · 2 | Strong · 2 | Moderate · 1 | Absent | Absent |
| Easwari Engineering College | Strong · 2 | Strong · 2 | Moderate · 1 | Absent | Absent |
Frequently asked questions
The evidence covers 42 patent families in scope globally. This is a small corpus relative to mainstream concrete or cement technology, consistent with the field’s early growth stage.
India is the leading filing jurisdiction, accounting for 26 of the patent records in the evidence. The United States is second, followed by WIPO PCT filings and a small number of European (EPO) records.
B TON IP GMBH and ALSITEK share the top position with 5 patent records each. PLANTAER INC follows at 3, and The Hong Kong Polytechnic University and Carbon Craft Design PTE LTD each hold 2. A large portion of the remaining applicants are Indian engineering colleges and individual inventors.
C04B (ceramics, cement and refractories) is by far the dominant IPC class, covering binder formulation, activator chemistry, and refractory geopolymer compositions. Adjacent classes such as C09D (coatings) and B28C (concrete mixing) appear at much lower counts.
Yes. The lifecycle evidence classifies the field as Growth, with a 38% increase in the recent filing window. Annual filings were negligible before 2019 and have accelerated through 2024 and 2025, though the most recent counts are understated by publication lag.
The sparsest branches relative to the dominant C04B core are C09D (geopolymer coatings and surface treatments, 5 records), B28C (mixing processes, 3 records), B28B (shaping and precast processes, 2 records), and C09K (materials for miscellaneous applications, 2 records). These observations are based on relative filing density and do not confirm commercial freedom to operate.
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Disclaimer. This page is generated from Patsnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
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