C08G 18/4269
Lactones
Official title: {Lactones}
C08G18/4269 (Lactones) appears on 834 US grants and 1,133 published applications in this corpus.
Search patents in C08G- Granted patents
- 834
- Published applications
- 1,133
- Assignees
- 518
- Inventors
- 2,540
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 9 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 11 | 0 |
| 1988 | 10 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 13 | 0 |
| 2001 | 17 | 3 |
| 2002 | 13 | 14 |
| 2003 | 13 | 22 |
| 2004 | 8 | 34 |
| 2005 | 17 | 36 |
| 2006 | 16 | 34 |
| 2007 | 12 | 36 |
| 2008 | 13 | 34 |
| 2009 | 8 | 44 |
| 2010 | 26 | 57 |
| 2011 | 23 | 39 |
| 2012 | 24 | 30 |
| 2013 | 28 | 34 |
| 2014 | 27 | 39 |
| 2015 | 33 | 39 |
| 2016 | 36 | 45 |
| 2017 | 39 | 47 |
| 2018 | 32 | 45 |
| 2019 | 43 | 75 |
| 2020 | 46 | 82 |
| 2021 | 41 | 64 |
| 2022 | 43 | 68 |
| 2023 | 42 | 50 |
| 2024 | 36 | 77 |
| 2025 | 43 | 43 |
| 2026 | 15 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- (meth)acrylate-functional radiation curable compositions for additive fabrication18 Aug 2026US 12,709,697 B2Stratasys, Inc.
- Aqueous polyurethane-urea dispersion4 Aug 2026US 12,698,413 B2Covestro Deutschland AG
- Polyurethane foam and methods of forming the same23 Jun 2026US 12,662,566 B2Saint-Gobain Performance Plastics Corporation
- Decorative sheet16 Jun 2026US 12,654,428 B2Toppan Inc.
- Resin composition16 Jun 2026US 12,655,290 B2LG Energy Solution, Ltd.
- Protective coating composition24 Sep 2026US 2026/0286177 A1Jotun A/S
- Polyurethane-polyurea aqueous dispersion, and preparation method therefor and use thereof27 Aug 2026US 2026/0250455 A1Wanhua Chemical Group Co., Ltd.
- Active-energy-ray-curable coating composition and molded article27 Aug 2026US 2026/0250514 A1DIC Corporation
- Radiation curable compositions for coating optical fibers27 Aug 2026US 2026/0250540 A1Covestro LLC
- Coating material, coating layer, and spring27 Aug 2026US 2026/0251196 A1NHK Spring Co., Ltd.
Most cited
By later US patents
- At least partially resorbable reticulated elastomeric matrix elements and methods of making same952US 9,050,176 B2Biomerix Corporation · 2015
- Golf ball with polyurethane cover222US 6,117,024 ACallaway Golf Company · 2000
- Method for making a biodegradable adhesive for soft living tissue208US 4,804,691 ARichards Medical Company · 1989
- Impact resistant polyurethane and method of manufacture thereof151US 5,962,617 ASimula, Inc. · 1999
- Implantable medical devices136US 7,794,494 B2Boston Scientific Scimed, Inc. · 2010