C04B 2103/0049
Water-swellable polymers
Official title: {Water-swellable polymers}
C04B2103/0049 (Water-swellable polymers) appears on 43 US grants and 61 published applications in this corpus.
Search patents in C04B- Granted patents
- 43
- Published applications
- 61
- Assignees
- 35
- Inventors
- 172
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 11 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 3 | 2 |
| 2011 | 1 | 6 |
| 2012 | 2 | 2 |
| 2013 | 3 | 1 |
| 2014 | 3 | 2 |
| 2015 | 1 | 3 |
| 2016 | 2 | 3 |
| 2017 | 4 | 1 |
| 2018 | 1 | 4 |
| 2019 | 3 | 2 |
| 2020 | 2 | 5 |
| 2021 | 4 | 1 |
| 2022 | 3 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 2 |
| 2025 | 4 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sound-absorbing material block, method for preparing thereof, and electronic device29 Sep 2026US 12,747,189 B2AAG Technologies (Nanjing) Co., Ltd.
- 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
- Composite cement compositions and methods of cementing and/or treating wells drilled with water-based drilling fluids14 Jul 2026US 12,680,012 B2Schlumberger Technology Corporation
- Geopolymer compositions and methods11 Nov 2025US 12,467,335 B2Schlumberger Technology Corporation
- Composite cement compositions and methods of cementing and/or treating wells drilled with water-based drilling fluids12 Aug 2025US 12,384,952 B2Schlumberger Technology Corporation
- Stabilizing admixture for mineral binder compositions24 Sep 2026US 2026/0285758 A1Sika Technology AG
- Silver containing crosslinked polymers as admixture in cementitious compositions2 Jul 2026US 2026/0184635 A1Katholieke Universiteit Leuven
- Composite cement compositions and methods of cementing and/or treating wells drilled with water-based drilling fluids4 Dec 2025US 2025/0368883 A1Schlumberger Technology Corporation
- Industrial fluids with dilution resistance and tunable viscosity, and methods of making and using industrial fluids17 Jul 2025US 2025/0230096 A1Blue Nose Technologies LLC
- Method for producing lamination molded article, heat-sensitive gelling agent, and lamination molding composition22 May 2025US 2025/0162945 A1
Most cited
By later US patents
- Method of sealing an annular space in a wellbore37US 7,578,347 B2Shell Oil Company · 2009
- Well cement fluid loss additive and method32US 5,009,269 AConoco Inc. · 1991
- Methods of integrating analysis, auto-sealing, and swellable-packer elements for a reliable annular seal23US 8,240,377 B2Halliburton Energy Services.Inc. · 2012
- Swellable compositions for borehole applications19US 8,993,491 B2Schlumberger Technology Corporation · 2015
- Self-sealing well cement composition18US 7,647,970 B2BJ Services Company · 2010