A61K 6/893
Polyurethanes
A61K6/893 (Polyurethanes) appears on 207 US grants and 192 published applications in this corpus.
Search patents in A61K- Granted patents
- 207
- Published applications
- 192
- Assignees
- 101
- Inventors
- 467
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 8 | 13 |
| 2003 | 7 | 13 |
| 2004 | 7 | 9 |
| 2005 | 3 | 9 |
| 2006 | 4 | 7 |
| 2007 | 4 | 6 |
| 2008 | 5 | 5 |
| 2009 | 9 | 16 |
| 2010 | 2 | 10 |
| 2011 | 2 | 9 |
| 2012 | 7 | 8 |
| 2013 | 6 | 8 |
| 2014 | 9 | 5 |
| 2015 | 10 | 4 |
| 2016 | 5 | 6 |
| 2017 | 2 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 3 |
| 2020 | 4 | 8 |
| 2021 | 1 | 11 |
| 2022 | 7 | 7 |
| 2023 | 7 | 8 |
| 2024 | 6 | 8 |
| 2025 | 7 | 7 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Orthodontic articles comprising polyester urethane (meth)acrylate polymer and monofunctional (meth)acrylate monomer, methods, and polymerizable compositions8 Sep 2026US 12,729,298 B2Solventum Intellectual Properties Company
- Method of producing polyurethane-based composite material, polyurethane-based composite material, and material for dental cutting work26 May 2026US 12,636,234 B2Tokuyama Dental Corporation
- Dental composite material21 Apr 2026US 12,605,307 B2Kulzer GmbH
- Nanocapsules and process of making and using same20 Jan 2026US 12,528,065 B2The Government of The United States, as represented by The Director of the Defense Health Agency
- Aesthetic dental filling material having high curing depth6 Jan 2026US 12,514,791 B2Ivoclar Vivadent AG
- Dental composite material containing photoinitiators13 Aug 2026US 2026/0232542 A1Kulzer GmbH
- Curable urethane di(meth)acrylates6 Aug 2026US 2026/0226216 A1
- Composite material having reduced porosity and a process for producing thereof9 Jul 2026US 2026/0191743 A1DENTSPLY SIRONA Inc.
- Kit for preparing curable composition for dental material, curable composition for dental material, and dental material28 May 2026US 2026/0144714 A1Mitsui Chemicals, Inc.
- Polymerizable dental composition7 May 2026US 2026/0124121 A1
Most cited
By later US patents
- Photocurable ionomer cement systems192US 5,130,347 AMinnesota Mining and Manufacturing Company · 1992
- Crosslinked hydrophilic foams and method131US 4,137,200 AW. R. Grace & Co. · 1979
- Dental restoratives comprising Bis-EMA6116US 6,030,606 A3M Innovative Properties Company · 2000
- Preloaded thermoplastic dental impression tray98US 5,415,544 AMinnesota Mining and Manufacturing Company · 1995
- Dental glass ionomer cement composition93US 5,520,725 AGC Corporation · 1996