C04B 2111/1075
Chromium-free or very low chromium-content materials
Official title: {Chromium-free or very low chromium-content materials}
C04B2111/1075 (Chromium-free or very low chromium-content materials) appears on 49 US grants and 66 published applications in this corpus.
Search patents in C04B- Granted patents
- 49
- Published applications
- 66
- Assignees
- 42
- Inventors
- 124
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 3 | 4 |
| 2005 | 1 | 5 |
| 2006 | 4 | 3 |
| 2007 | 1 | 4 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 0 | 9 |
| 2011 | 5 | 3 |
| 2012 | 2 | 4 |
| 2013 | 3 | 3 |
| 2014 | 2 | 0 |
| 2015 | 3 | 5 |
| 2016 | 3 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 6 |
| 2021 | 2 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chromium(VI)-free coating agent for metals30 Dec 2025US 12,509,775 B2M-M-Morant-GmbH
- Rejuvenation of reclaimed asphalt pavement11 Feb 2025US 12,221,381 B2Imam Abdulrahman Bin Faisal University
- Product containing chromium 3 oxide for glass furnace20 Feb 2024US 11,905,198 B2Saint-Gobain Centre De Recherches Et D ' Etudes Europeen
- Chromate-free ceramic coating compositions for hot corrosion protection of superalloy substrates27 Dec 2022US 11,535,560 B2Praxair S. T. Technology, Inc.
- Cement additive and method for producing same4 Jan 2022US 11,214,516 B2
- A particulate material and method for manufacturing materials for cement production25 Jun 2026US 2026/0176202 A1
- Method for manufacturing cement clinker using stainless steel slag7 Aug 2025US 2025/0250197 A1Orbix Productions
- Utilization of spent chromia/alumina catalyst for cement production6 Jun 2024US 2024/0182364 A1Sabic Global Technologies B.V.
- Chromium(vi)-free coating agent for metals18 Jan 2024US 2024/0018662 A1M-M-Morant-GmbH
- Rejuvenation of reclaimed asphalt pavement16 Nov 2023US 2023/0365466 A1Imam Abdulrahman Bin Faisal University
Most cited
By later US patents
- Environmentally friendly coating compositions26US 5,478,413 ASermatech International, Inc. · 1995
- Chromate-free phosphate bonding composition25US 6,368,394 B1Sermatech International, Inc. · 2002
- Hexavalent chromium-free phosphate-bonded coatings24US 6,224,657 B1Sermatech International, Inc. · 2001
- Cement composition19US 7,070,647 B2National Institute for Rural Engineering · 2006
- Passivation composition and process for zinciferous and aluminiferous surfaces18US 5,683,816 AHenkel Corporation · 1997