A61K 6/858
Calcium sulfates, e.g, gypsum
A61K6/858 (Calcium sulfates, e.g, gypsum) appears on 53 US grants and 47 published applications in this corpus.
Search patents in A61K- Granted patents
- 53
- Published applications
- 47
- Assignees
- 38
- Inventors
- 132
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 6 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 5 | 6 |
| 2013 | 1 | 2 |
| 2014 | 4 | 2 |
| 2015 | 3 | 0 |
| 2016 | 2 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 4 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fine fibrous cellulose, dispersed solution, sheet, laminated sheet, laminate, and method for producing fine fibrous cellulose17 Feb 2026US 12,553,185 B2Oji Holdings Corporation
- Dental gypsum powder12 Sep 2023US 11,752,073 B2GC Corporation
- Dental gypsum slurry21 Feb 2023US 11,583,376 B2GC Corporation
- Ion sustained-release dental hydraulic temporary sealing material composition12 Jul 2022US 11,382,839 B2Shofu Inc.
- Rapid-setting hydraulic binder composition6 Aug 2019US 10,369,087 B2Maruchi
- Fine fibrous cellulose, dispersed solution, sheet, laminated sheet, laminate, and method for producing fine fibrous cellulose9 Jul 2026US 2026/0193842 A1Oji Holdings Corporation
- An Improved Mineral Trioxide Aggregate Filling Material for Dentistry and a Device for its Use18 Sep 2025US 2025/0288500 A1PDS Inc.
- Premixed barium silicate cement for dental and medical applications, and methods of use20 Jun 2024US 2024/0197575 A1
- Gypsum composition for mold production2 May 2024US 2024/0140872 A1Yoshino Gypsum Co., Ltd.
- Dental cement14 Mar 2024US 2024/0082114 A1Kuraray Noritake Dental Inc.
Most cited
By later US patents
- Resorbable bioactive phosphate containing cements139US 5,262,166 A1993
- Resorbable surgical cements107US 5,281,265 A1994
- Implantation of surgical implants with calcium sulfate63US 6,224,635 B1Hospital for Joint Diseases · 2001
- Rapid-hardening calcium phosphate cement compositions29US 7,294,187 B2ADA Foundation · 2007
- Phosphate-containing surgical cements26US 5,218,035 A1993