C04B 24/2641
Polyacrylates
Official title: {Polyacrylates; Polymethacrylates}
C04B24/2641 (Polyacrylates) appears on 525 US grants and 594 published applications in this corpus.
Search patents in C04B- Granted patents
- 525
- Published applications
- 594
- Assignees
- 279
- Inventors
- 1,635
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 12 | 6 |
| 2002 | 21 | 17 |
| 2003 | 16 | 24 |
| 2004 | 12 | 19 |
| 2005 | 18 | 10 |
| 2006 | 9 | 20 |
| 2007 | 11 | 27 |
| 2008 | 6 | 19 |
| 2009 | 8 | 13 |
| 2010 | 8 | 16 |
| 2011 | 10 | 25 |
| 2012 | 14 | 20 |
| 2013 | 14 | 19 |
| 2014 | 17 | 18 |
| 2015 | 19 | 24 |
| 2016 | 23 | 23 |
| 2017 | 19 | 27 |
| 2018 | 18 | 27 |
| 2019 | 15 | 36 |
| 2020 | 27 | 31 |
| 2021 | 27 | 35 |
| 2022 | 21 | 45 |
| 2023 | 19 | 26 |
| 2024 | 23 | 27 |
| 2025 | 26 | 28 |
| 2026 | 17 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Use of comb polymers as inerting agents for non-swelling layer-silicates6 Oct 2026US 12,753,120 B2Sika Technology AG
- 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
- Flexible composite25 Aug 2026US 12,716,020 B2Concrete Canvas Technology Ltd.
- Methods and compositions for polymer concrete and polymer mortar28 Jul 2026US 12,692,193 B2Saudi Arabian Oil Company
- Preparation of graphene nanosheets-based concrete additive14 Jul 2026US 12,679,780 B2Nanospan India Private Limited
- Hydraulic composition for ultra-high performance concrete and ultra-high performance grout8 Oct 2026US 2026/0308054 A1Sika Technology AG
- Stabilizing admixture for mineral binder compositions24 Sep 2026US 2026/0285758 A1Sika Technology AG
- Stable and Self-Leveling Bonded Seal30 Jul 2026US 2026/0217615 A1Knauf Gips KG
- Fluid loss control for geopolymer system30 Jul 2026US 2026/0218035 A1Schlumberger Technology Corporation
- Silver containing crosslinked polymers as admixture in cementitious compositions2 Jul 2026US 2026/0184635 A1Katholieke Universiteit Leuven
Most cited
By later US patents
- Cement and cement composition having improved rheological properties127US 5,393,343 AW. R. Grace & Co.-Conn. · 1995
- High early-strength cementitious composition102US 6,858,074 B2Construction Research & Technology GmbH · 2005
- Fluidity control of cementitious compositions101US 5,661,206 AMBT Holding AG · 1997
- Roll press grinding aid for granulated blast furnace slag78US 5,977,224 AW. R. Grace & Co.-Conn. · 1999
- Cement admixture product75US 5,665,158 AW. R. Grace & Co.-Conn. · 1997