UHPC Low-Carbon Sustainable Patent Landscape 2026
The low-carbon UHPC space is a growth-stage field dominated by cement-chemistry specialists, with Macrocement Ind Ltd holding the largest individual position among the hundred largest filers. China leads on filing volume, while the United States hosts the most commercially active private-sector filers, and the field as a whole is still expanding on a multi-year basis even as annual volume has eased from its 2023 peak.
Macrocement leads a fragmented field with no dominant bloc
Macrocement Ind Ltd holds the top position among the hundred largest filers in this space, followed by Roman Cement LLC and Xiangtan University. No single applicant commands an overwhelming share, reflecting the field’s still-emerging character.
The top five filers together account for 31% of the hundred largest filers’ combined total — a moderate concentration level. The gap between the leader and the second-ranked applicant is meaningful, but the tier below is closely bunched, with multiple universities and SMEs separated by only one or two patent records.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Macrocement Ind Ltd | 11 | |
| 2 | Roman Cement LLC | 5 | |
| 3 | Xiangtan University | 4 | |
| 4 | Hunan University | 3 | |
| 5 | Integrated Composite Construction Systems Inc | 3 | |
| 6 | Holcim Technology Ltd | 3 | |
| 7 | Zhengzhou University | 2 | |
| 8 | Catholic University of America | 2 | |
| 9 | Stevens Institute of Technology | 2 | |
| 10 | Shanghai Construction Group Co Ltd | 2 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Jihye Shin | 2 | |
| 12 | Yangtze University | 2 | |
| 13 | TAKTL LLC | 2 | |
| 14 | Chang’an University | 1 | |
| 15 | Dr. Venkata Rambabu V | 1 | |
| 16 | Dr. Rewa Bochare | 1 | |
| 17 | Dr. Pratibha Mahesh Alandkar | 1 | |
| 18 | G. Alekhya | 1 | |
| 19 | Shandong Dayuan Industrial | 1 | |
| 20 | R. Gowrishankar | 1 |
The leader’s position is built on cement-composition patents (C04B), which is the dominant technical branch across the entire corpus. Challengers with differentiated approaches — such as Roman Cement’s particle-size-optimized formulations — occupy defensible niches that partially overlap the leader’s coverage.
The most recent 18–24 months of filings are under-represented due to publication lag; the apparent slowdown in 2024–2025 should not be read as a real decline. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
A 2023 filing surge followed by lag-affected quieter years; chemistry dominates the mix
The annual filing trend reveals a field that ramped sharply in 2018, cooled mid-decade, then surged again in 2023 before entering a publication-lag-distorted trough. The technology composition chart shows that cement and refractory chemistry (C04B) is by far the dominant branch, with shaping, structural, and waste-disposal branches occupying much smaller shares.
Annual filing trend
Filings jumped in 2018, dipped through 2020–2022, then peaked in 2023. The 2024 and 2025 bars are shortened by publication lag and should not be interpreted as a real contraction; recent three-year volume is 44% above the prior three-year window.
↗ Hover for values · click a bar to ask EurekaTechnology composition
C04B (ceramics, cement and refractories) accounts for roughly two-thirds of classified records, confirming that low-carbon UHPC innovation is primarily a formulation-chemistry problem. B28B (shaping) and E04C (structural components) each represent a small share, signalling that process and structural-application work remains thin relative to materials science.
↗ 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.
SLAG-based fine aggregate, supplementary cementiti…
The present invention relates to a slag-based fine aggregate, a supplementary cementitious material and UHPC as well as preparation methods and use thereof, and belongs to the technical field of building materials. The slag-based fine aggregate includes the following components: slag, nano-alumina, and a carbonization reaction amount of carbon dioxide. The… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Macro-cement compositions, method of producing mac… | 22 |
| 2 | White cementitious compositions | 20 |
| 3 | Particle size optimized white cementitious composi… | 16 |
| 4 | Macro-cement compositions, method of producing mac… | 15 |
| 5 | 一种再生混凝土组合柱及其制备方法 | 10 |
| 6 | 一种高掺量混合瓷砖骨料C160UHPC及其制备方法 | 8 |
| 7 | 一种高掺量混合玻璃粉C180UHPC及其制备方法 | 6 |
| 8 | Geopolymer composite for ultra high performance co… | 5 |
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
Three structural signals stand out: the field is in genuine growth but past its 2023 peak year; private-sector concentration is moderate; and geographic coverage skews heavily toward. United States.
Growth stage, easing from 2023 peak
The field is classified as Growth: the recent three-year filing window sits 44% above the prior three-year window on a multi-year basis. However, annual volume peaked in 2023 and has eased since, a pattern partly attributable to publication lag in 2024–2025. For R&D planners, this means foundational IP positions are still being established, but the window for first-mover claims in core formulation chemistry is narrowing.
Growth · easing from 2023 peakModerate leader advantage; open for challengers
The top five filers hold 31% of the hundred largest filers’ combined total, a moderate share that leaves substantial room for new entrants. Macrocement Ind Ltd’s lead is real but not insurmountable — three new entrants (Holcim Technology Ltd, Integrated Composite Construction Systems Inc, and a Korean individual filer) entered the ranking with new activity, suggesting the competitive map is still being drawn.
Moderate concentrationNo co-applicant activity detected in this corpus
Evidence pending: the collaboration dataset for this corpus contains no recorded co-applicant filings. This is unusual for a field with significant university participation and may reflect that joint-development agreements are being handled outside the patent system, or that this corpus is too small to surface co-filing patterns. Academic filers (Xiangtan University, Hunan University, Zhengzhou University) could be natural co-filing partners for industry entrants.
No co-filings detectedChina leads filings; US hosts private-sector innovation
China is the lead filing office with 27 patent records, followed by the United States with 17. Canada, India, and WIPO (PCT) round out the top five jurisdictions. The PCT route is thin, which means many filings have not yet been pursued internationally — a potential gap for applicants seeking cross-border protection. Europe (EPO) holds only 3 records, suggesting limited defensive coverage in that market.
China-led; thin PCT coverageGo 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.
Co-filing pairs, ranked by the number of jointly-filed patent families.
Macrocement and Roman Cement lead; new entrants include a global cement major
The two largest private-sector filers occupy distinct technical positions: Macrocement Ind Ltd concentrates on cement-composition chemistry, while Roman Cement LLC focuses on particle-size-optimized and alternative-binder formulations. Holcim Technology Ltd is the most strategically significant new entrant, bringing a global incumbent’s resources into this niche.
Macrocement Ind Ltd
Macrocement Ind Ltd holds 11 patent records — the largest position among all ranked filers — focused entirely on C04B cement and refractory chemistry, spanning clinker composition (C04B 7), aggregate types (C04B 14), and supplementary materials (C04B 18). The applicant’s momentum data does not appear in the new-entrant list, indicating an established rather than recently accelerating position. Their most-cited patents on macro-cement compositions are among the top-referenced works in the corpus.
patent records: 11Holcim Technology Ltd
Holcim Technology Ltd entered this ranking as a new entrant, filing 3 patent records concentrated in C04B 28 (hydraulic-binder compositions) and the C04B 111 sustainability-use-code subclass — a direct signal of low-carbon intent. As the R&D arm of a global cement major, Holcim’s entry raises the competitive stakes considerably; its resources and existing global IP infrastructure give it an outsized ability to scale positions that currently appear modest in count.
patent records: 3| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Holcim Technology Ltd | 3 | ▲ new entrant |
| Integrated Composite Construction Systems Inc | 3 | ▲ new entrant |
| Jihye Shin | 2 | ▲ new entrant |
| Zhengzhou University | 2 | ▲ new entrant |
Under-served branches in structural application and waste integration
Several IPC branches adjacent to the dominant C04B chemistry class carry sparse patent counts, suggesting that downstream application and circular-economy angles of low-carbon UHPC are less contested than formulation chemistry. These are observations of relative sparsity; entry-path plausibility varies by branch.
B09B · Solid waste disposal in UHPC formulations
B09B holds only 3 patent records in this corpus — a low share for a branch that is directly relevant to low-carbon UHPC: incorporating industrial solid waste (fly ash, slag, recycled aggregates) is one of the primary decarbonization levers in UHPC design. The Korean individual filer active in this branch demonstrates that non-traditional actors are entering this space. An entrant with expertise in industrial by-product characterization could establish a defensible position here without facing entrenched competition from the leading cement-chemistry players.
Search this in Eureka →E04C · Structural building components using low-carbon UHPC
E04C (structural building components) holds 4 patent records — matching B28C but representing a qualitatively different gap: most existing IP defines what low-carbon UHPC is chemically, not how it is engineered into structural members such as panels, beams, or facades. Given that UHPC’s primary commercial value is its structural efficiency, claims linking low-carbon formulations to specific structural component geometries or fabrication methods appear sparse and may represent a viable adjacent position for construction-product companies or prefabricators.
Search this in Eureka →How leading filers differ across technology branches
Route coverage across the main technology branches in the current evidence set.
| Player | C04B 28 · Ceramics, cement & refractories | C04B 18 · Ceramics, cement & refractories | C04B 14 · Ceramics, cement & refractories | C04B 20 · Ceramics, cement & refractories | C04B 7 · Ceramics, cement & refractories |
|---|---|---|---|---|---|
| Macrocement Ind Ltd | Moderate · 4 | Moderate · 5 | Moderate · 5 | Moderate · 5 | Strong · 11 |
| Roman Cement LLC | Strong · 5 | Absent | Strong · 3 | Moderate · 2 | Moderate · 2 |
| Zhengzhou University | Strong · 2 | Strong · 2 | Strong · 2 | Strong · 2 | Strong · 2 |
| Integrated Composite Construction Systems Inc | Absent | Strong · 3 | Strong · 3 | Strong · 2 | Absent |
| Xiangtan University | Strong · 4 | Absent | Moderate · 2 | Absent | Absent |
| TAKTL LLC | Strong · 2 | Absent | Strong · 2 | Absent | Absent |
| Shanghai Construction Group Co Ltd | Strong · 2 | Absent | Strong · 2 | Absent | Absent |
Frequently asked questions
The corpus in scope contains 63 patent families. This is a relatively small but fast-growing niche within the broader UHPC and sustainable construction IP landscape.
Macrocement Ind Ltd holds the top position with 11 patent records among the hundred largest filers, followed by Roman Cement LLC with 5 and Xiangtan University with 4.
China leads with 27 patent records, followed by the United States with 17 and Canada with 7. India, WIPO (PCT), Europe (EPO), and South Korea also appear in the jurisdiction breakdown.
The field is classified as Growth. The recent three-year filing window is 44% above the prior three-year window on a multi-year basis, though annual volume peaked in 2023 and has eased since. The most recent filing years are further understated by publication lag.
C04B (ceramics, cement and refractories) is by far the dominant branch, accounting for roughly two-thirds of classified patent records. B09B (solid waste disposal), E04C (structural building components), E01D (bridges), and B33Y (additive manufacturing) each hold very few records, making them the sparsest adjacent branches.
Yes. Holcim Technology Ltd, Integrated Composite Construction Systems Inc, a Korean individual filer, and Zhengzhou University are each identified as new entrants in the applicant momentum data, all filing their first records in the most recent period tracked.
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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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