C04B 11/007
After-treatment of the dehydration products
Official title: {After-treatment of the dehydration products, e.g. aging, stabilisation}
C04B11/007 (After-treatment of the dehydration products) appears on 24 US grants and 31 published applications in this corpus.
Search patents in C04B- Granted patents
- 24
- Published applications
- 31
- Assignees
- 15
- Inventors
- 82
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 3 | 0 |
| 2011 | 0 | 4 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 3 | 3 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stucco properties through aging at elevated temperatures and high humidity level18 Feb 2025US 12,227,450 B2Knauf Gips KG
- System for conditioning stucco in a dust collector6 Feb 2024US 11,892,236 B2Schenck Process LLC
- Methods of removing chloride from gypsum having high level of chloride salt19 Sep 2023US 11,760,689 B2Knauf Gips KG
- Apparatus and method for treating gypsum29 Nov 2022US 11,512,019 B2Yoshino Gypsum Co., Ltd.
- Multitubular rotary heat exchanger12 Apr 2022US 11,300,357 B2Yoshino Gypsum Co., Ltd.
- Systems and methods for manufacturing calcined gypsum with reduced particle size and manufacturing gypsum board with same10 Sep 2026US 2026/0265129 A1United States Gypsum Company
- Process and System for the Calcination of Gypsum20 Nov 2025US 2025/0353789 A1Knauf Gips KG
- Extruder for Producing Gypsum Moulded Articles, Process for Manufacturing Gypsum-Based Articles and Gypsum-Based Articles13 Nov 2025US 2025/0345967 A1Knauf Gips KG
- Apparatus and process for post stucco treatment and cooling21 Aug 2025US 2025/0263338 A1United States Gypsum Company
- Moisture-resistant gypsum boards and methods of making them29 May 2025US 2025/0171361 A1CertainTeed Gypsum, Inc.
Most cited
By later US patents
- Process for preparing calcined gypsum and gypsum board22US 4,201,595 AUnited States Gypsum Company · 1980
- Process for manufacturing gypsum board14US 4,238,445 AUnited States Gypsum Company · 1980
- Method of modifying beta stucco using diethylene-triamine-pentaacetic acid7US 8,343,273 B1United States Gypsum Company · 2013
- Method for the production of gypsum-based boards and stucco slurry comprising non-pregelatinized migratory starch for use therewith6US 10,683,235 B2Saint-Gobain Placo · 2020
- Calcium sulfate hemihydrate treatment process4US 7,824,490 B2The Nugyp Corp. · 2010