C04B 2111/20
Resistance against chemical, physical or biological attack
C04B2111/20 (Resistance against chemical, physical or biological attack) appears on 1,828 US grants and 2,225 published applications in this corpus.
Search patents in C04B- Granted patents
- 1,828
- Published applications
- 2,225
- Assignees
- 1,237
- Inventors
- 5,150
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 13 | 0 |
| 1988 | 10 | 0 |
| 1989 | 13 | 0 |
| 1990 | 5 | 0 |
| 1991 | 16 | 0 |
| 1992 | 18 | 0 |
| 1993 | 21 | 0 |
| 1994 | 17 | 0 |
| 1995 | 23 | 0 |
| 1996 | 24 | 0 |
| 1997 | 38 | 0 |
| 1998 | 48 | 0 |
| 1999 | 33 | 0 |
| 2000 | 37 | 0 |
| 2001 | 44 | 13 |
| 2002 | 38 | 43 |
| 2003 | 37 | 67 |
| 2004 | 41 | 64 |
| 2005 | 22 | 59 |
| 2006 | 23 | 75 |
| 2007 | 22 | 91 |
| 2008 | 32 | 72 |
| 2009 | 28 | 90 |
| 2010 | 59 | 69 |
| 2011 | 61 | 79 |
| 2012 | 49 | 94 |
| 2013 | 63 | 81 |
| 2014 | 71 | 80 |
| 2015 | 56 | 106 |
| 2016 | 61 | 70 |
| 2017 | 54 | 104 |
| 2018 | 71 | 97 |
| 2019 | 92 | 127 |
| 2020 | 79 | 113 |
| 2021 | 75 | 105 |
| 2022 | 78 | 137 |
| 2023 | 84 | 116 |
| 2024 | 92 | 110 |
| 2025 | 75 | 105 |
| 2026 | 38 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C04B 2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperaturesIndexing code738
- C04B 2111/27Water resistance, i.e. waterproof or water-repellent materialsIndexing code420
- C04B 2111/26Corrosion of reinforcement resistanceIndexing code172
- C04B 2111/2038Resistance against physical degradationIndexing code153
- C04B 2111/29Frost-thaw resistanceIndexing code104
- C04B 2111/21Efflorescence resistanceIndexing code75
- C04B 2111/2084Thermal shock resistanceIndexing code73
- C04B 2111/2092Resistance against biological degradationIndexing code69
All 16 subgroupsShow fewer
- C04B 2111/23Acid resistanceIndexing code69
- C04B 2111/2023Resistance against alkali-aggregate reactionIndexing code49
- C04B 2111/2015Sulfate resistanceIndexing code43
- C04B 2111/203Oil-proof or grease-repellant materialsIndexing code38
- C04B 2111/22Carbonation resistanceIndexing code21
- C04B 2111/25Graffiti resistanceIndexing code15
- C04B 2111/24Sea water resistanceIndexing code13
- C04B 2111/2007Avoiding unauthorised or unwanted use or treatmentIndexing code2
Recent patents
- Light weight ceramic aggregates made by agglomerating ceramic fibers22 Sep 2026US 12,741,908 B2Unifrax I LLC
- Air and water barrier building panels15 Sep 2026US 12,734,724 B2Gold Bond Building Products, LLC
- Binder for an agglomeration process8 Sep 2026US 12,729,161 B2Mintek
- Hydrophobic admixture and processes for making same1 Sep 2026US 12,723,007 B2Drymax Global 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
- Recycled Drywall Products and Systems8 Oct 2026US 2026/0308057 A1Qualico Developments West Ltd.
- Process for obtaining fibre-reinforced composite materials8 Oct 2026US 2026/0308065 A1Aeronautical Service S.R.L.
- Anti-ballistic panels made from magnesia based cement and system comprising same1 Oct 2026US 2026/0298587 A1Ubiq Technology Pty Ltd
- Use of fibers of a carbon-resin composite for reinforcing concrete24 Sep 2026US 2026/0285754 A1Compagnie Generale Des Etablissements Michelin
- Electrically conductive mineral binder compositions17 Sep 2026US 2026/0274748 A1Sika Technology AG
Most cited
By later US patents
- Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members455US 6,783,875 B2NGK Insulators, Ltd. · 2004
- Fiber cement building materials with low density additives168US 6,572,697 B2James Hardie Research Pty Limited · 2003
- Destructable fluorinated alkoxysilane surfactants and repellent coatings derived therefrom151US 5,274,159 AMinnesota Mining and Manufacturing Company · 1993
- Fire door core146US 4,159,302 AGeorgia-Pacific Corporation · 1979
- Low-cost, high early strength, acid-resistant pozzolanic cement139US 5,352,288 ADynastone LC · 1994