C04B 40/00
Processes, in general, for influencing or modifying the properties of mortars, concrete
Official title: Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability (active ingredients C04B22/00 - C04B24/00; hardening of a well-defined composition C04B26/00 - C04B28/00; making porous, cellular or lightening C04B38/00; mechanical aspects B28, e.g. conditioning the materials prior to shaping B28B17/02)
C04B40/00 (Processes, in general, for influencing or modifying the properties of mortars, concrete) appears on 2,752 US grants and 3,264 published applications in this corpus.
Search patents in C04B- Granted patents
- 2,752
- Published applications
- 3,264
- Assignees
- 1,423
- Inventors
- 6,704
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 11 | 0 |
| 1981 | 10 | 0 |
| 1982 | 15 | 0 |
| 1983 | 9 | 0 |
| 1984 | 15 | 0 |
| 1985 | 14 | 0 |
| 1986 | 10 | 0 |
| 1987 | 8 | 0 |
| 1988 | 16 | 0 |
| 1989 | 15 | 0 |
| 1990 | 21 | 0 |
| 1991 | 19 | 0 |
| 1992 | 23 | 0 |
| 1993 | 27 | 0 |
| 1994 | 32 | 0 |
| 1995 | 29 | 0 |
| 1996 | 41 | 0 |
| 1997 | 64 | 0 |
| 1998 | 65 | 0 |
| 1999 | 44 | 0 |
| 2000 | 42 | 0 |
| 2001 | 52 | 23 |
| 2002 | 57 | 46 |
| 2003 | 60 | 80 |
| 2004 | 59 | 88 |
| 2005 | 30 | 88 |
| 2006 | 42 | 92 |
| 2007 | 44 | 81 |
| 2008 | 43 | 93 |
| 2009 | 37 | 74 |
| 2010 | 63 | 96 |
| 2011 | 64 | 110 |
| 2012 | 57 | 113 |
| 2013 | 80 | 100 |
| 2014 | 86 | 118 |
| 2015 | 86 | 141 |
| 2016 | 96 | 132 |
| 2017 | 99 | 124 |
| 2018 | 98 | 154 |
| 2019 | 104 | 178 |
| 2020 | 150 | 183 |
| 2021 | 110 | 174 |
| 2022 | 123 | 208 |
| 2023 | 149 | 216 |
| 2024 | 141 | 222 |
| 2025 | 160 | 183 |
| 2026 | 102 | 147 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C04B 40/0028Aspects relating to the mixing step of the mortar preparation1,744
- C04B 40/06Inhibiting the setting520
- C04B 40/02Selection of the hardening environment325
- C04B 40/04Preventing evaporation of the mixing water69
- C04B 40/0082Making use of a rise in temperature50
- C04B 40/0096Provisions for indicating condition of the compositions or the final products44
- C04B 40/0092Temporary binders, mortars or concrete, i.e. materials intended to be destroyed or40
- C04B 40/0003Making use of electric or wave energy or particle radiation39
All 14 subgroupsShow fewer
- C04B 40/0067Making use of vibrations39
- C04B 40/0091Processes of mixing characterised by carbon dioxide treatment34
- C04B 40/0071Making use of a rise in pressure33
- C04B 40/0089Making use of vacuum or reduced pressure15
- C04B 40/0025Obtaining colloidal mortar10
- C04B 40/0075Making use of a decrease in temperature10
Recent patents
- Low-cost four-element system cementitious material, preparation method and application thereof6 Oct 2026US 12,753,115 B2University of Science and Technology Beijing
- Dual-scale toughened cement-based composite material and use thereof6 Oct 2026US 12,753,118 B2Qingdao University of Technology
- Silicon containing emulsion powders for use in making cement based on tile adhesive dry mix compositions6 Oct 2026US 12,753,126 B2Dow Global Technologies LLC
- Method for preparing high-performance compressed desert sand concrete29 Sep 2026US 12,747,188 B2Jinan University
- Pozzolan-based additive agent and uses thereof22 Sep 2026US 12,741,906 B2
- Cementitous compositions for reducing efflorescence8 Oct 2026US 2026/0308051 A1Tremco Cpg Inc.
- Method for producing geopolymer concrete from natural sand combined with red mud8 Oct 2026US 2026/0308060 A1Protectgd LLC
- Process for obtaining fibre-reinforced composite materials8 Oct 2026US 2026/0308065 A1Aeronautical Service S.R.L.
- Methods to characterize, treat and process biocarbon(s) and combinations thereof as a concrete ingredient replacer and concrete performance enhancer and predictor8 Oct 2026US 2026/0308073 A1
- Bonded reinforced plastic concrete vapor barrier8 Oct 2026US 2026/0308074 A1Helix Steel, LLC
Most cited
By later US patents
- Encapsulated chemicals for use in controlled time release applications and methods314US 6,527,051 B1Halliburton Energy Services.Inc. · 2003
- Foamed well cement slurries, additives and methods302US 6,063,738 AHalliburton Energy Services.Inc. · 2000
- Controlling the release of chemical additives in well treating fluids282US 6,209,646 B1Halliburton Energy Services.Inc. · 2001
- Encapsulated chemicals for use in controlled time release applications and methods279US 6,554,071 B1Halliburton Energy Services.Inc. · 2003
- Shaped article and composite material and method for producing same208US 4,588,443 AAktieselskabet Aalborg Pottland-Cement-Fabrik · 1986