C04B 2103/30
Water reducers, plasticisers, air-entrainers, flow improvers
C04B2103/30 (Water reducers, plasticisers, air-entrainers, flow improvers) appears on 551 US grants and 738 published applications in this corpus.
Search patents in C04B- Granted patents
- 551
- Published applications
- 738
- Assignees
- 404
- Inventors
- 1,996
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 5 | 0 |
| 2001 | 12 | 3 |
| 2002 | 11 | 8 |
| 2003 | 6 | 9 |
| 2004 | 2 | 12 |
| 2005 | 9 | 13 |
| 2006 | 5 | 12 |
| 2007 | 6 | 17 |
| 2008 | 8 | 21 |
| 2009 | 4 | 16 |
| 2010 | 7 | 17 |
| 2011 | 16 | 23 |
| 2012 | 10 | 18 |
| 2013 | 11 | 20 |
| 2014 | 15 | 10 |
| 2015 | 14 | 19 |
| 2016 | 15 | 24 |
| 2017 | 15 | 31 |
| 2018 | 25 | 36 |
| 2019 | 26 | 48 |
| 2020 | 34 | 49 |
| 2021 | 24 | 36 |
| 2022 | 29 | 53 |
| 2023 | 23 | 55 |
| 2024 | 49 | 79 |
| 2025 | 32 | 58 |
| 2026 | 41 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Uncharged clay blocking agent6 Oct 2026US 12,753,119 B2BASF SE
- Process of making sulfonated lignin-based compositions, sulfonated lignin-based compositions so-obtained and their use29 Sep 2026US 12,747,259 B2Rg Dispersants Ltd.
- Marbled cast stone22 Sep 2026US 12,741,907 B1
- Double-liquid grouting slurry, its technology and application for super large diameter underwater shield engineering under high water pressure condition22 Sep 2026US 12,741,910 B2China Railway 14th Bureau Group Corporation Limited
- Method for preparing grouting reinforcement filler for mining15 Sep 2026US 12,735,355 B2Ccri (Beijing) New Material Technology Co., Ltd.
- Composition and treatment method thereof for 3d pringting material8 Oct 2026US 2026/0308063 A1Nano and Advanced Materials Institute Limited
- Smart construction materials for ambient modification of built environments8 Oct 2026US 2026/0308064 A1Texas State University
- 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
- Highly absorbent sponge concrete1 Oct 2026US 2026/0296973 A1Amrize Technology Switzerland LLC
- Composition for adjusting of air pores in building products in the presence of sulfate-based superplasticizers1 Oct 2026US 2026/0296976 A1BASF SE
Most cited
By later US patents
- Cementitious composition130US 4,494,990 AAsh Grove Cement Company · 1985
- Cement admixture product having improved rheological properties and process of forming same130US 5,643,978 AW. R. Grace & Co.-Conn. · 1997
- Cementing compositions using dry cementitious materials having improved flow properties130US 6,494,951 B1Halliburton Energy Services.Inc. · 2002
- Flow properties of dry cementitious materials129US 6,245,142 B1Halliburton Energy Services.Inc. · 2001
- Cement and cement composition having improved rheological properties127US 5,393,343 AW. R. Grace & Co.-Conn. · 1995