C04B 2103/56
Opacifiers
C04B2103/56 (Opacifiers) appears on 48 US grants and 62 published applications in this corpus.
Search patents in C04B- Granted patents
- 48
- Published applications
- 62
- Assignees
- 39
- Inventors
- 162
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 5 |
| 2012 | 1 | 9 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 4 | 3 |
| 2016 | 3 | 3 |
| 2017 | 1 | 5 |
| 2018 | 3 | 3 |
| 2019 | 3 | 4 |
| 2020 | 3 | 4 |
| 2021 | 5 | 5 |
| 2022 | 4 | 3 |
| 2023 | 3 | 3 |
| 2024 | 3 | 5 |
| 2025 | 3 | 3 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and compositions for polymer concrete and polymer mortar28 Jul 2026US 12,692,193 B2Saudi Arabian Oil Company
- Marine concrete composition using dechlorination microorganism, and construction method of marine concrete structure for the same23 Jun 2026US 12,662,425 B2Four-m Co., Ltd.
- Use of graphene oxide/butyl acrylate/silane composite emulsion as anti-shrinkage agent2 Jun 2026US 12,643,821 B2Qingdao University of Technology
- Use of polyol for reducing shrinkage of construction chemical compositions17 Mar 2026US 12,577,158 B2Sika Technology AG
- Concrete composition suitable for 3-D printing and a method for 3-D printing of multiple layers of concrete25 Nov 2025US 12,479,125 B2Titan America LLC
- Microporous powder composition, use thereof and insulation product24 Sep 2026US 2026/0285751 A1Prtc NV
- High-toughness magnesium-calcium binder mortar material from multi-component high-salinity solid waste and preparation method thereof2 Apr 2026US 2026/0092011 A1Changjiang River Scientific Research Institute
- Low-density high-strength concrete and related methods using foamed glass aggregates12 Mar 2026US 2026/0070845 A1Aero Aggregates of North America LLC
- Methods for the control of shrinkage of cementitious compositions and cementitious grouts having controlled shrinkage26 Feb 2026US 2026/0055028 A1Sika Technology AG
- Geopolymer coating for acid and elevated temperature resistance13 Nov 2025US 2025/0346527 A1W. R. Meadows, Inc.
Most cited
By later US patents
- Cementitious compositions containing fly ash89US 5,536,310 ASandoz Ltd. · 1996
- Additives for cement62US 4,946,904 ANippon Oil and Fats Co., Ltd. · 1990
- Low-density high-strength concrete and related methods13US 10,239,790 B2Sebastos Technologies Inc. · 2019
- Use of polypropylene glycol as a shrinkage-reducing additive in dispersion powder compositions for construction materials13US 5,498,665 AWacker Chemie AG · 1996
- Admixtures for shrink crack reduction of portland cement-based mortars and concretes12US 8,784,558 B2Premier Magnesia, LLC · 2014