C04B 2103/0052
Hydrophobic polymers
Official title: {Hydrophobic polymers}
C04B2103/0052 (Hydrophobic polymers) appears on 40 US grants and 55 published applications in this corpus.
Search patents in C04B- Granted patents
- 40
- Published applications
- 55
- Assignees
- 38
- Inventors
- 179
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 3 | 3 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 3 |
| 2019 | 1 | 3 |
| 2020 | 3 | 2 |
| 2021 | 1 | 4 |
| 2022 | 4 | 6 |
| 2023 | 1 | 3 |
| 2024 | 3 | 5 |
| 2025 | 4 | 2 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coated gypsum set stabilizing particles having a hydrophobic gypsum core, gypsum board including same, process for making the particles, and process for making the gypsum board9 Jun 2026US 12,649,692 B2Knauf Gips KG
- Marine ecological engineering construction method, asphalt cement-based coating, and preparation method thereof25 Nov 2025US 12,478,048 B2
- Anticorrosive composition28 Oct 2025US 12,454,488 B2Rockwool A/S
- Anticorrosive composition30 Sep 2025US 12,428,346 B2Rockwool A/S
- Hydrocarbon swelling particles for wellbore cementing29 Apr 2025US 12,286,586 B2Synthomer Inc.
- Stable and Self-Leveling Bonded Seal30 Jul 2026US 2026/0217615 A1Knauf Gips KG
- Filler material14 May 2026US 2026/0132083 A1Laticrete International, Inc.
- Compositions for imparting water resistance to gypsum wallboards29 Jan 2026US 2026/0028283 A1Walker Industries Holdings Limited
- Anticorrosive composition29 Jan 2026US 2026/0028284 A1Rockwool A/S
- Composite panels that contract when hydrated22 Jan 2026US 2026/0022065 A1Continuus Materials Intellectual Property, LLC
Most cited
By later US patents
- 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
- Use of polymers in gypsum wallboard31US 6,492,450 B1Rohm and Haas Company · 2002
- Cement compositions with improved fluid loss characteristics and methods of cementing using such cement compositions28US 7,216,707 B2Halliburton Energy Services.Inc. · 2007