C04B 2103/24
Hardening retarders
C04B2103/24 (Hardening retarders) appears on 16 US grants and 21 published applications in this corpus.
Search patents in C04B- Granted patents
- 16
- Published applications
- 21
- Assignees
- 15
- Inventors
- 51
- Latest grant
- 10 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 4 |
| 2020 | 3 | 1 |
| 2021 | 3 | 1 |
| 2022 | 2 | 6 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Two-component mortar system based on aluminous cement and use thereof10 Jun 2025US 12,325,664 B2Hilti Aktiengesellschaft
- Borehole cement slurry additive, method for storing same, borehole cement slurry, and borehole cementing method23 Apr 2024US 11,965,130 B2Nissan Chemical Corporation
- Additive for cement slurry for well and method for producing said additive, cement slurry for well, and cementing method for well12 Sep 2023US 11,753,572 B2Nissan Chemical Corporation
- Lignosulfonate and hydrolyzed carbohydrate retarder additive for cement mixture27 Dec 2022US 11,535,557 B2Saudi Arabian Oil Company
- Two-component mortar system based on aluminous cement and use thereof4 Jan 2022US 11,214,519 B2Hilti Aktiengesellschaft
- Method of assembling a floor construction13 Aug 2026US 2026/0234058 A1Sika Technology AG
- Two-component mortar system based on aluminous cement and use thereof31 Jul 2025US 2025/0243117 A1Hilti Aktiengesellschaft
- Cement-based tile24 Jul 2025US 2025/0236558 A1The Intellectual Gorilla GmbH
- Cocoa pod husk-containing hardening-retarder and a method for making the same29 May 2025US 2025/0171356 A1National Pingtung University of Science and Technology
- Lignosulfonate and hydrolyzed carbohydrate retarder additive for cement mixture20 Oct 2022US 2022/0332644 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Cement retarder and cement retardative sheet21US 6,376,580 B1Daicel-Huels Ltd. · 2002
- Cement retarder and cement retardative sheet9US 6,077,910 ADaicel-Huels Ltd. · 2000
- Additives for altering the hardening rate of chemically bonded silico-phosphate cements and method therefor6US 8,366,821 B2Imi Tami Institute for Research and Development Ltd. · 2013
- Two-component mortar system based on aluminous cement and use thereof5US 11,214,519 B2Hilti Aktiengesellschaft · 2022
- Setting retarder for hydraulically setting compositions4US 8,444,764 B2Sika Technology AG · 2013