C08G 59/02
Polycondensates containing more than one epoxy group per molecule
C08G59/02 (Polycondensates containing more than one epoxy group per molecule) appears on 1,628 US grants and 1,029 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,628
- Published applications
- 1,029
- Assignees
- 583
- Inventors
- 3,319
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 4 | 0 |
| 1978 | 16 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 21 | 0 |
| 1982 | 24 | 0 |
| 1983 | 33 | 0 |
| 1984 | 34 | 0 |
| 1985 | 45 | 0 |
| 1986 | 43 | 0 |
| 1987 | 62 | 0 |
| 1988 | 54 | 0 |
| 1989 | 62 | 0 |
| 1990 | 53 | 0 |
| 1991 | 47 | 0 |
| 1992 | 60 | 0 |
| 1993 | 39 | 0 |
| 1994 | 36 | 0 |
| 1995 | 43 | 0 |
| 1996 | 28 | 0 |
| 1997 | 30 | 0 |
| 1998 | 39 | 0 |
| 1999 | 45 | 0 |
| 2000 | 30 | 0 |
| 2001 | 34 | 2 |
| 2002 | 23 | 21 |
| 2003 | 19 | 22 |
| 2004 | 20 | 22 |
| 2005 | 10 | 20 |
| 2006 | 8 | 16 |
| 2007 | 9 | 18 |
| 2008 | 13 | 17 |
| 2009 | 13 | 26 |
| 2010 | 11 | 32 |
| 2011 | 15 | 32 |
| 2012 | 13 | 38 |
| 2013 | 24 | 52 |
| 2014 | 30 | 51 |
| 2015 | 42 | 64 |
| 2016 | 38 | 75 |
| 2017 | 52 | 59 |
| 2018 | 42 | 44 |
| 2019 | 48 | 59 |
| 2020 | 56 | 56 |
| 2021 | 47 | 71 |
| 2022 | 32 | 69 |
| 2023 | 54 | 47 |
| 2024 | 39 | 52 |
| 2025 | 35 | 36 |
| 2026 | 20 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08G 59/04Of polyhydroxy compounds with epihalohydrins or precursors thereof978
- C08G 59/027Obtained by epoxidation of unsaturated precursor218
- C08G 59/12Of polycarboxylic acids with epihalohydrins or precursors thereof138
- C08G 59/10Of polyamines with epihalohydrins or precursors thereof115
- C08G 59/022Characterised by the preparation process or apparatus used63
- C08G 59/025Characterised by the purification methods used13
Recent patents
- Polymer and thermal interface material6 Oct 2026US 12,753,335 B2Industrial Technology Research Institute
- Tricyclodecane dimethanol composition, ultraviolet curable composition, polymer composition, and method for producing tricyclodecane dimethanol composition25 Aug 2026US 12,715,828 B2Mitsubishi Chemical Corporation
- Amorphous epoxy fiber, fiber structure, and molded body25 Aug 2026US 12,715,958 B2Kuraray Co., Ltd.
- Curable composition28 Jul 2026US 12,692,341 B2Daicel Corporation
- Ester compound and resin composition7 Jul 2026US 12,674,019 B2Ajinomoto Co., Inc.
- Monomers for the formation of vitrimers1 Oct 2026US 2026/0297242 A1Airbus SAS
- Curable resin and methods for producing curable resin intermediate, curable resin, curable resin composition, and cured product10 Sep 2026US 2026/0265446 A1Nippon Shokubai Co., Ltd.
- Vegetable oil-derivative epoxy compositions having improved performance10 Sep 2026US 2026/0265447 A1Washington State University
- Process for synthesis of epoxy resin from vanillin-based dialdehydes, aminophenol derivatives, and epichlorohydrin20 Aug 2026US 2026/0242535 A1Korea Institute of Science and Technology
- A method of curing an epoxide and use of the cured epoxide13 Aug 2026US 2026/0234321 A1Aditya Birla Chemicals (Thailand) Ltd.
Most cited
By later US patents
- Flexible poly(amino ethers) for barrier packaging158US 5,464,924 AThe Dow Chemical Company · 1995
- High modulus polymers and composites from plant oils97US 6,121,398 AUniversity of Delaware · 2000
- Process for producing epoxy resins94US 4,438,254 AThe Dow Chemical Company · 1984
- Stable aqueous epoxy dispersions79US 4,315,044 ACelanese Corporation · 1982
- Self-dispersing curable epoxy resins, dispersions made therewith, and coating compositions made therefrom79US 6,303,672 B1Henkel Corporation · 2001