C04B 22/00
Use of inorganic materials as active ingredients for mortars, concrete or artificial
Official title: Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators {or shrinkage compensating agents}
C04B22/00 (Use of inorganic materials as active ingredients for mortars, concrete or artificial) appears on 1,081 US grants and 1,242 published applications in this corpus.
Search patents in C04B- Granted patents
- 1,081
- Published applications
- 1,242
- Assignees
- 689
- Inventors
- 3,026
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 11 | 0 |
| 1980 | 17 | 0 |
| 1981 | 5 | 0 |
| 1982 | 10 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 13 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 12 | 0 |
| 1996 | 16 | 0 |
| 1997 | 35 | 0 |
| 1998 | 35 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 12 | 2 |
| 2002 | 12 | 10 |
| 2003 | 18 | 12 |
| 2004 | 13 | 11 |
| 2005 | 2 | 16 |
| 2006 | 10 | 7 |
| 2007 | 6 | 12 |
| 2008 | 6 | 15 |
| 2009 | 7 | 8 |
| 2010 | 7 | 18 |
| 2011 | 8 | 19 |
| 2012 | 9 | 24 |
| 2013 | 17 | 31 |
| 2014 | 21 | 40 |
| 2015 | 25 | 33 |
| 2016 | 28 | 55 |
| 2017 | 46 | 82 |
| 2018 | 44 | 64 |
| 2019 | 63 | 94 |
| 2020 | 67 | 69 |
| 2021 | 74 | 89 |
| 2022 | 69 | 102 |
| 2023 | 50 | 117 |
| 2024 | 74 | 103 |
| 2025 | 75 | 109 |
| 2026 | 53 | 100 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C04B 22/08Acids or salts thereof577
- C04B 22/06Oxides, hydroxides302
- C04B 22/02Elements97
- C04B 22/002Water96
- C04B 22/0093Aluminates84
- C04B 22/0013Boron compounds46
- C04B 22/008Cement and like inorganic materials added as expanding or shrinkage compensating ingredients39
- C04B 22/0086Seeding materials22
All 10 subgroupsShow fewer
Recent patents
- Accelerating portland cement and sand mixtures with dry calcium chloride6 Oct 2026US 12,753,117 B1J&P Invesco LLC
- Dual-scale toughened cement-based composite material and use thereof6 Oct 2026US 12,753,118 B2Qingdao University of Technology
- Modifiable hardened pozzolanic material22 Sep 2026US 12,741,909 B2
- Ultra stable cementitious material formulation, process for its making, and ultra stable tile backer board formulation and processes for its making1 Sep 2026US 12,726,151 B2Triton MgO Products, LLC
- Industrial fluids with dilution resistance and tunable viscosity, and methods of making and using industrial fluids25 Aug 2026US 12,715,810 B2Blue Nose Technologies LLC
- Composition For Producing Components8 Oct 2026US 2026/0308055 A1Kruner Industries AG
- Hardened body of hydraulic composition8 Oct 2026US 2026/0308056 A1Kuraray Co., Ltd.
- Method for producing geopolymer concrete from natural sand combined with red mud8 Oct 2026US 2026/0308060 A1Protectgd LLC
- Composition and treatment method thereof for 3d pringting material8 Oct 2026US 2026/0308063 A1Nano and Advanced Materials Institute Limited
- Mixtures for tiles with decorative surface patterns1 Oct 2026US 2026/0296961 A1
Most cited
By later US patents
- Well cementing compositions and methods244US 6,457,524 B1Halliburton Energy Services.Inc. · 2002
- Gypsum-containing product having increased resistance to permanent deformation and method and composition for producing it194US 6,342,284 B12002
- Sheets having a highly inorganically filled organic polymer matrix172US 5,508,072 AE. Khashoggi Industries · 1996
- Articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix171US 5,506,046 AE. Khashoggi Industries · 1996
- Starch-based compositions having uniformly dispersed fibers used to manufacture high strength articles having a fiber-reinforced, starch-bound cellular matrix165US 5,679,145 AE. Khashoggi Industries · 1997