C04B 24/243
Phosphorus-containing polymers
Official title: {Phosphorus-containing polymers}
C04B24/243 (Phosphorus-containing polymers) appears on 107 US grants and 113 published applications in this corpus.
Search patents in C04B- Granted patents
- 107
- Published applications
- 113
- Assignees
- 57
- Inventors
- 314
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 2 |
| 2003 | 1 | 5 |
| 2004 | 1 | 2 |
| 2005 | 3 | 1 |
| 2006 | 2 | 4 |
| 2007 | 1 | 0 |
| 2008 | 2 | 5 |
| 2009 | 0 | 3 |
| 2010 | 2 | 2 |
| 2011 | 5 | 7 |
| 2012 | 4 | 7 |
| 2013 | 3 | 5 |
| 2014 | 1 | 6 |
| 2015 | 9 | 5 |
| 2016 | 5 | 9 |
| 2017 | 5 | 6 |
| 2018 | 8 | 8 |
| 2019 | 3 | 9 |
| 2020 | 8 | 3 |
| 2021 | 6 | 5 |
| 2022 | 2 | 4 |
| 2023 | 2 | 6 |
| 2024 | 3 | 3 |
| 2025 | 4 | 5 |
| 2026 | 2 | 0 |
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
- Polyhydroxy aromatic intermediate, preparation thereof and use thereof in polycondensate water-reducer with branched side chains20 Jan 2026US 12,528,907 B2Bote New Materials Taizhou Co., Ltd.
- Low-molecular-weight composite contamination-resistant additive for well cementing18 Nov 2025US 12,473,483 B1Southwest Petroleum University
- Wet accelerator, a method of preparing a wet accelerator and a method of producing a gypsum product26 Aug 2025US 12,398,075 B2Saint-Gobain Placo
- Comb polymers as blocking additives for swelling clays24 Jun 2025US 12,338,175 B2Sika Technology AG
- Process for the preparation of a calcium silicate hydrate seed composition useful as a hardening accelerator for cementitious compositions21 Aug 2025US 2025/0263341 A1Construction Research & Technology GmbH
- Construction material dry mixes containing solid vinyl ester resins10 Jul 2025US 2025/0223225 A1Wacker Chemie AG
- Additive or sealing composition for cementitous compositions, cementitious composition, methods of manufacturing the same, and methods of preparing a cementitious structure and treating a surface thereof29 May 2025US 2025/0171370 A1Construction Research & Technology GmbH
- Ready-mix concrete or mortar, or precast concrete composition, comprising ground granulated blast furnace slag, an alkali sulfate activator and a pce type water reducing polymer27 Mar 2025US 2025/0100930 A1Centre National De La Recherche Scientifique
- Surface retarder formulation and method for replicating an acid etch or sand blast aspect on cementitious material20 Mar 2025US 2025/0091963 A1GCP Applied Technologies Inc.
Most cited
By later US patents
- Set retarded cement compositions, additives and methods136US 5,536,311 AHalliburton Company · 1996
- Method for control of fluid loss and gas migration in well cementing100US 5,988,279 AFritz Industries, Inc. · 1999
- Method and cement-drilling fluid cement composition for cementing a wellbore94US 5,874,387 AAtlantic Richfield Company · 1999
- Oligomeric dispersant74US 6,133,347 AMBT Holding AG · 2000
- Cementitious mixture containing high pozzolan cement replacement and compatabilizing admixtures therefor49US 6,290,770 B1MBT Holding AG · 2001