C04B 2103/34
Flow improvers
Official title: {Flow improvers}
C04B2103/34 (Flow improvers) appears on 30 US grants and 32 published applications in this corpus.
Search patents in C04B- Granted patents
- 30
- Published applications
- 32
- Assignees
- 22
- Inventors
- 91
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 3 |
| 2002 | 5 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 4 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 4 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 2 |
| 2021 | 0 | 3 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Branched copolymers as additives for viscosity reduction of mineral binder compositions13 Jan 2026US 12,522,538 B2Sika Technology AG
- Fluidizing compounds for hydraulic compositions23 Dec 2025US 12,503,395 B2Chryso
- Aluminum sulfate suspensions with reduced viscosity24 Jun 2025US 12,338,174 B2Sika Technology AG
- Spraying UHPFRC for reinforcement and regeneration of pre-existing structures16 Apr 2024US 11,958,773 B2Soletanche Freyssinet
- Concrete flow improvers and water reducers20 Sep 2022US 11,447,579 B2Roehm GmbH
- Method for mitigating the effect of clay in mineral construction materials21 May 2026US 2026/0138922 A1Sika Technology AG
- Moisture-resistant gypsum boards and methods of making them29 May 2025US 2025/0171361 A1CertainTeed Gypsum, Inc.
- Viscosity reducer for asphalt recycled material, method of preparing viscosity reducer for asphalt recycled material and method for applying the same to recycled asphalt concrete material24 Apr 2025US 2025/0128987 A1Taiwan Gwan Chian Industrial Co., Ltd.
- Thixotropy and rheology modifying admixture for cement-based mortars and production of cement-based compositions including the admixture7 Nov 2024US 2024/0368033 A1Ozyegin Universitesi
- Production method of ready injection material including nano hydraulic lime15 Feb 2024US 2024/0051869 A1Yildiz Teknik Universitesi
Most cited
By later US patents
- Cementing compositions using dry cementitious materials having improved flow properties130US 6,494,951 B1Halliburton Energy Services.Inc. · 2002
- Flow properties of dry cementitious materials129US 6,245,142 B1Halliburton Energy Services.Inc. · 2001
- Cement and cement composition having improved rheological properties127US 5,393,343 AW. R. Grace & Co.-Conn. · 1995
- Cementing methods using dry cementitious materials having improved flow properties127US 6,170,575 B2Halliburton Energy Services.Inc. · 2001
- Flow properties of dry cementitious and non-cementitious materials123US 6,379,456 B1Halliburton Energy Services.Inc. · 2002