C04B 2103/0051
Water-absorbing polymers, hydrophilic polymers
Official title: {Water-absorbing polymers, hydrophilic polymers}
C04B2103/0051 (Water-absorbing polymers, hydrophilic polymers) appears on 55 US grants and 84 published applications in this corpus.
Search patents in C04B- Granted patents
- 55
- Published applications
- 84
- Assignees
- 54
- Inventors
- 214
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 4 |
| 2015 | 1 | 2 |
| 2016 | 6 | 7 |
| 2017 | 1 | 3 |
| 2018 | 4 | 6 |
| 2019 | 2 | 7 |
| 2020 | 6 | 6 |
| 2021 | 2 | 2 |
| 2022 | 4 | 7 |
| 2023 | 4 | 4 |
| 2024 | 2 | 7 |
| 2025 | 6 | 5 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flexible composite25 Aug 2026US 12,716,020 B2Concrete Canvas Technology Ltd.
- 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
- Dry grinding of steel making slag, ground steel making slag, and its use in construction materials30 Jun 2026US 12,668,543 B2Sika Technology AG
- Coated-fine-aggregate, concrete composition and method10 Feb 2026US 12,545,620 B2
- Cement mixtures for plugging honeycomb bodies and methods of making the same20 Jan 2026US 12,528,747 B2Corning Incorporated
- Magnesium phosphate-based cement grouting material, preparation method therefor and use thereof25 Jun 2026US 2026/0176206 A1Wuhan University of Technology
- Use of recycled superabsorbent polymers (saps) to create multifunctional concrete26 Mar 2026US 2026/0085007 A1Texas State University
- Composite panels that contract when hydrated22 Jan 2026US 2026/0022065 A1Continuus Materials Intellectual Property, LLC
- Use of additives in compositions of pervious concrete22 Jan 2026US 2026/0022070 A1Amrize Technology Switzerland LLC
- Core wall-thinning design method for prestressed high-performance concrete cylinder pipe22 Jan 2026US 2026/0022072 A1Zhengzhou University
Most cited
By later US patents
- Fire resistant and high temperature insulating composition78US 5,338,349 AFireComp, Inc. · 1994
- Highly efficient cement dispersants52US 6,136,950 AMBT Holding AG · 2000
- Highly efficient cement dispersants42US 6,284,867 B1MBT Holding AG · 2001
- Cement slurries comprising hydrophobic polymers35US 6,710,107 B2Institut Francais du Petrole · 2004
- Self adaptive cement systems11US 8,551,244 B2Schlumberger Technology Corporation · 2013