Geopolymer Low-Energy Curing Patent Landscape 2026
The geopolymer low-energy curing field is in a growth phase, with India-based academic and engineering institutions dominating a fragmented, 138-family corpus. Activity is concentrated in cement and refractory chemistry (C04B), while commercial players remain sparse relative to the volume of academic filers.
India’s academic institutions lead a fragmented but growing field
Vel Tech Rangarajan Dr Sagunthala R&D Institute of Science and Technology holds the top position with 8 patent records, followed closely by the National Institute of Technology Calicut and Cement Australia Pty, each with 7 patent records.
The top five filers account for 18% of the combined total across the hundred largest filers, indicating a highly fragmented competitive landscape with no dominant incumbent. A long tail of individual inventors and small engineering colleges further dilutes concentration.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | VEL TECH RANGARAJAN DR SAGUNTHALA R&D INST OF SCI … | 8 | |
| 2 | National Institute of Technology Calicut | 7 | |
| 3 | Cement Australia Pty Ltd | 7 | |
| 4 | Sona College of Technology | 6 | |
| 5 | PSG INST OF TECH & APPLIED RES | 5 | |
| 6 | REVA University | 5 | |
| 7 | Meesaraganda Lakshmi Vara Prasad | 4 | |
| 8 | Carbon Craft Design Pte Ltd | 4 | |
| 9 | Indian Institute of Technology Bhubaneswar | 3 | |
| 10 | HINDUSTAN INST OF TECH & SCI | 3 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Easwari Engineering College | 3 | |
| 12 | Manmohan Singh Jain | 2 | |
| 13 | R V College of Engineering | 2 | |
| 14 | Dr Ankur Chandrakant Bhogayata | 2 | |
| 15 | Pallapothu Giri Swamy Naga Ratna | 2 | |
| 16 | Universiti Teknologi Malaysia | 2 | |
| 17 | R. Kumar | 2 | |
| 18 | Thiagarajar College of Engineering | 2 | |
| 19 | J. Sivasubramanian | 2 | |
| 20 | Ran Bir Singh | 2 |
The leading institutions are almost exclusively Indian academic and technical bodies, pointing to a research-driven rather than commercially-driven IP landscape. Cement Australia Pty stands out as the principal industry player in the top tier, suggesting limited commercial patent activity to date.
The most recent filing years are subject to publication lag and likely undercount true activity; conclusions about late-period momentum should be read with that caveat. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Rising annual volume dominated by C04B cement chemistry
Two lenses reveal how the field is developing: an annual filing trend that confirms sustained growth, and a technology branch breakdown that shows overwhelming concentration in a single IPC class.
Annual filing trend
Filings grew from 2 records in 2017 to a visible multi-year build-up, with a recent-window growth rate of 19%. The 2025 and 2026 bars should be treated as partial due to publication lag; the underlying trajectory nonetheless supports a growth-stage classification.
↗ Hover for values · click a bar to ask EurekaTechnology composition
C04B (ceramics, cement and refractories) accounts for the large majority of IPC branch occurrences, reflecting the geopolymer binder focus. Adjacent branches — G01N (material analysis), E01C (roads and pavements), E04C (structural components), B32B (layered products), and C08K (polymer additives) — each represent only a small share, signalling under-explored application areas.
↗ 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.
A high strength geopolymer concrete composition an…
Abstract The present disclosure relates to a high strength geopolymer concrete composition and a method to produce the high strength fly ash based geopolymer concrete curing at ambient temperature. The composition comprises: unprocessed fly ash; fine aggregate, composed of river sand and treated sea sand; coarse aggregate, composed of crushed basalt stones… (excerpt from the patent abstract)
Open this patent in Eureka →| # | Patent | Citations |
|---|---|---|
| 1 | Construction materials and methods of production | 38 |
| 2 | Geopolymer cement | 28 |
| 3 | Geopolymer cement | 12 |
| 4 | Fly Ash-Based Geopolymer Concrete and Method of Fo… | 10 |
| 5 | A process for geopolymer concrete making with curi… | 6 |
| 6 | Development of sustainable lightweight aggregate g… | 4 |
| 7 | A room temperature cured fly ash based geopolymer … | 3 |
| 8 | Geopolymer building materials | 2 |
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
Four structural observations — maturity, concentration, collaboration, and geography — translate the raw counts into actionable context for teams considering entry or expansion in this space.
Growth stage with rising annual filings
The lifecycle evidence classifies this field as Growth, with annual filings still rising and the 19% recent-window growth rate positive. Because the most recent years are understated by publication lag, the true pace of new entry is likely higher than the published record currently shows. The field has not yet reached the plateau or consolidation typical of mature technology domains.
Growth stageHighly fragmented — no dominant incumbent
The top five filers hold only 18% of the hundred largest filers’ combined total, and the ranked list extends to individual inventors and small colleges. This fragmentation means IP positions are not yet entrenched, but it also implies that no single actor has built a blocking portfolio. A focused filing campaign in a specific application niche could establish a defensible position relatively quickly.
Low concentrationSparse co-filing; IIT Bhubaneswar most active collaborator
Collaboration is limited: the most active co-filing pair is Carbon Craft Design Pte Ltd with the Indian Institute of Science (2 joint records). The Indian Institute of Technology Bhubaneswar has three separate co-filing relationships — with Vedanta Ltd Jharsuguda, National Aluminium Co Ltd (NALCO) Bhubaneswar, and IIT Jodhpur — making it the most networked node in the ecosystem. Overall, industry–academic partnerships remain rare, representing an under-exploited route to applied development.
Low collaboration densityIndia overwhelmingly dominant; limited international coverage
India accounts for 125 of the 150 jurisdiction-level records, reflecting the concentration of filing activity among Indian academic institutions. The United States (9 records), Australia (6 records), WIPO/PCT (5 records), Malaysia (2 records), New Zealand (2 records), and China (1 record) make up the remainder. The thin PCT and US coverage means most existing IP has limited international enforceability, leaving non-Indian markets relatively open.
India-centricGo 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 |
|---|---|---|
| Carbon Craft Design Pte Ltd | Indian Institute of Science | 2 |
| REVA University | SWAPNA SA | 1 |
| Indian Institute of Technology Bhubaneswar | VEDANTA LTD JHARSUGUDA | 1 |
| Indian Institute of Technology Bhubaneswar | National Aluminium Company Ltd (NALCO) | 1 |
| Indian Institute of Technology Bhubaneswar | INDIAN INSTITUTE OF TECHNOLOGY JODHPUR | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Academic institutions lead; Cement Australia Pty is the sole major industry player
The top two positions are held by Indian research institutions, both flagged as new entrants, while Cement Australia Pty represents the only commercially-oriented organisation in the leading group. All top filers concentrate their technology emphasis within C04B cement and refractory sub-classes.
Vel Tech Rangarajan Dr Sagunthala R&D Institute
The top-ranked filer with 8 patent records, Vel Tech’s portfolio centres on C04B 28 (cement-based binders), with additional coverage in C04B 111 (functional performance classes) and B32B 27 (layered laminates) — a slightly broader scope than most peers. Momentum trend is flagged as a new entrant, indicating its position has been built in the recent filing window.
8 patent recordsCement Australia Pty
Cement Australia Pty holds 7 patent records and is the only major industrial filer in the top tier. Its focus spans C04B 7 (hydraulic cements), C04B 28, and C04B 103 (performance-indexed compositions), reflecting a formulation-oriented commercial approach distinct from the academic majority. As the principal industry incumbent, it is best positioned to translate laboratory findings into commercial product IP.
7 patent records| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| VEL TECH RANGARAJAN DR SAGUNTHALA R&D INST OF SCI … | 3 | ▲ new entrant |
| Sona College of Technology | 2 | ▲ new entrant |
| REVA University | 2 | ▲ new entrant |
| PSG INST OF TECH & APPLIED RES | 2 | ▲ new entrant |
| Meesaraganda Lakshmi Vara Prasad | 2 | ▲ new entrant |
| National Institute of Technology Calicut | 2 | ▲ new entrant |
| Indian Institute of Technology Bhubaneswar | 1 | ▲ new entrant |
Under-served application branches adjacent to the C04B core
Several IPC classes appear at low counts relative to the C04B dominant class. These represent observations of relative sparsity; where a branch also carries plausible technical value and a realistic entry path, it is noted as a potential opportunity.
E01C · Roads and pavements
With only 7 patent records, road and pavement applications of geopolymer low-energy curing are sparse despite a clear technical rationale: geopolymer binders cured at ambient or low temperature could replace hot-mix asphalt binders in road repair and new construction, reducing embodied energy. The construction industry’s procurement scale offers a realistic commercialisation path, and the thin existing coverage leaves room for a focused applicant to establish a differentiated position.
Search this in Eureka →B32B · Layered products and laminates
Only 4 patent records cover layered product and laminate applications, yet geopolymer matrices cured at low temperature are technically viable as fire-resistant or thermally stable layers in composite panels and construction boards. The combination of low curing energy and high thermal resistance differentiates geopolymer-based laminates from conventional polymer composites. Entry would suit applicants already active in building materials or fire-protection composites.
Search this in Eureka →How leading filers differ by technology sub-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 12 · Ceramics, cement & refractories | C04B 7 · Ceramics, cement & refractories |
|---|---|---|---|---|---|
| Cement Australia Pty Ltd | Strong · 6 | Absent | Absent | Strong · 5 | Strong · 7 |
| Sona College of Technology | Strong · 6 | Strong · 6 | Strong · 4 | Absent | Absent |
| Vel Tech Rangarajan Dr Sagunthala R&D Institute of Science and Technology | Strong · 8 | Absent | Moderate · 3 | Absent | Absent |
| PSG Institute of Technology and Applied Research | Strong · 5 | Strong · 3 | Absent | Strong · 3 | Absent |
| REVA University | Strong · 5 | Strong · 4 | Absent | Absent | Absent |
| Carbon Craft Design Pte Ltd | Strong · 4 | Strong · 3 | Moderate · 2 | Absent | Absent |
| National Institute of Technology Calicut | Strong · 5 | Absent | Absent | Absent | Strong · 3 |
Frequently asked questions
The corpus in scope contains 138 patent families. Filing activity spans from 2017 onward, with a recent-window growth rate of 19%, classifying the field as Growth stage.
Vel Tech Rangarajan Dr Sagunthala R&D Institute of Science and Technology leads with 8 patent records, followed by the National Institute of Technology Calicut and Cement Australia Pty, each with 7 patent records.
It is highly fragmented. The top five filers account for only 18% of the combined total across the hundred largest filers, and the field includes a long tail of individual inventors and small engineering colleges with one or two records each.
India is the dominant jurisdiction with 125 patent records, driven by its large base of academic and technical institution filers. The United States (9 records), Australia (6 records), and WIPO/PCT (5 records) are the next most active, but at significantly lower volumes.
Yes. Roads and pavements (E01C, 7 records), structural building components (E04C, 5 records), layered products and laminates (B32B, 4 records), and polymer additives (C08K, 4 records) are all sparse relative to the dominant C04B cement chemistry class, and each has plausible technical value for low-energy geopolymer systems.
Collaboration is sparse. The most active co-filing pair is Carbon Craft Design Pte Ltd and the Indian Institute of Science (2 joint records). The Indian Institute of Technology Bhubaneswar has co-filed with Vedanta Ltd Jharsuguda, National Aluminium Co Ltd (NALCO) Bhubaneswar, and IIT Jodhpur — making it the most networked institution in the dataset.
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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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