C08F 20/68
Esters
C08F20/68 (Esters) appears on 46 US grants and 57 published applications in this corpus.
Search patents in C08F- Granted patents
- 46
- Published applications
- 57
- Assignees
- 43
- Inventors
- 112
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 6 |
| 2013 | 2 | 4 |
| 2014 | 3 | 8 |
| 2015 | 4 | 5 |
| 2016 | 6 | 4 |
| 2017 | 6 | 5 |
| 2018 | 5 | 6 |
| 2019 | 4 | 7 |
| 2020 | 4 | 4 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Crystalline radical polymerizable composition for fixing a magnet of a rotating electric machine rotor core, a rotating electric machine rotor core using the composition, and a method of manufacturing the rotating electric machine rotor core6 Oct 2026US 12,756,246 B2Aisin Corporation
- Method of forming a photo-cured layer1 Oct 2024US 12,105,417 B2Canon Kabushiki Kaisha
- Synthesis of hyperbranched polymethacrylates and polyacrylates by a haloinimer approach14 May 2024US 11,981,777 B2The University of Akron
- Compounds for optically active devices12 Sep 2023US 11,753,387 B2Johnson & Johnson Surgical Vision, Inc.
- Hydrophobic compounds for optically active devices18 Jul 2023US 11,702,396 B2Johnson & Johnson Surgical Vision, Inc.
- Polymerizable compounds, photoresist compositions, and pattern formation methods20 Aug 2026US 2026/0244102 A1
- Sulfonium salt, chemically amplified resist composition, and pattern forming process30 Jul 2026US 2026/0219571 A1Shin-Etsu Chemical Co., Ltd.
- Method of forming a photo-cured layer6 Apr 2023US 2023/0103545 A1Canon Kabushiki Kaisha
- A crystalline radical polymerizable composition for fixing a magnet of a rotating electric machine rotor core, a rotating electric machine rotor core using the composition, and a method of manufacturing the rotating electric machine rotor core16 Mar 2023US 2023/0082542 A1Aisin Corporation
- Powder-containing composition, powder for aqueous solvent, and production method of powder for aqueous solvent28 Jan 2021US 2021/0022982 A1Shiseido Company, Ltd.
Most cited
By later US patents
- Methylene beta-diketone monomers, methods for making methylene beta-diketone monomers, polymerizable compositions and products formed therefrom54US 9,221,739 B2Sirrus, Inc. · 2015
- Acrylate and methacrylate monomers and polymers30US 4,638,040 AMinnesota Mining and Manufacturing Company · 1987
- Acrylate and methacrylate monomers and polymers29US 4,578,504 AMinnesota Mining and Manufacturing Company · 1986
- Coloured particles for electrophoretic displays22US 8,462,423 B2Merck Patent GmbH · 2013
- Functionalized monomers and polymers10US 8,846,587 B2Elevance Renewable Sciences, Inc. · 2014