C08K 5/32
Compounds containing nitrogen bound to oxygen
C08K5/32 (Compounds containing nitrogen bound to oxygen) appears on 409 US grants and 322 published applications in this corpus.
Search patents in C08K- Granted patents
- 409
- Published applications
- 322
- Assignees
- 259
- Inventors
- 1,072
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 13 | 0 |
| 1978 | 10 | 0 |
| 1979 | 9 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 0 | 0 |
| 1986 | 6 | 0 |
| 1987 | 12 | 0 |
| 1988 | 11 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 19 | 0 |
| 1992 | 16 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 6 |
| 2003 | 3 | 9 |
| 2004 | 4 | 10 |
| 2005 | 5 | 7 |
| 2006 | 2 | 9 |
| 2007 | 7 | 4 |
| 2008 | 3 | 8 |
| 2009 | 2 | 2 |
| 2010 | 3 | 9 |
| 2011 | 6 | 12 |
| 2012 | 4 | 10 |
| 2013 | 8 | 14 |
| 2014 | 8 | 12 |
| 2015 | 10 | 18 |
| 2016 | 15 | 10 |
| 2017 | 7 | 19 |
| 2018 | 12 | 25 |
| 2019 | 13 | 18 |
| 2020 | 19 | 30 |
| 2021 | 12 | 19 |
| 2022 | 14 | 19 |
| 2023 | 15 | 9 |
| 2024 | 13 | 18 |
| 2025 | 11 | 15 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Two-coat single cure powder coating15 Sep 2026US 12,734,549 B2The Sherwin-Williams Company
- Water activated adhesive mixture5 May 2026US 12,617,982 B2Johns Manville
- Curable resin composition and display device17 Feb 2026US 12,552,888 B2Sumitomo Chemical Company, Limited
- Resin particle27 Jan 2026US 12,534,547 B2FUJIFILM Business Innovation Corp.
- Adhesive composition, and polarizing plate and display device manufactured using same14 Oct 2025US 12,441,918 B2LG Chem.Ltd.
- Optical laminate and display apparatus8 Oct 2026US 2026/0307377 A1Nitto Denko Corporation
- Diene rubber composition comprising a polynitrone17 Sep 2026US 2026/0275076 A1Compagnie Generale Des Etablissements Michelin
- Release agent composition for light irradiation release, laminate, and method for producing processed semiconductor substrate or electronic device layer20 Aug 2026US 2026/0242637 A1Nissan Chemical Corporation
- A method for improving the processing of polyethylene23 Jul 2026US 2026/0209487 A1BASF SE
- Methylene chloride-free solvent cement compositions23 Jul 2026US 2026/0209555 A1IPS Corporation
Most cited
By later US patents
- Compositions stabilized with N-hydroxyiminodiacetic and dipropionic acids and esters thereof88US 4,720,517 ACiba-Geigy Corporation · 1988
- Method of molding polyurethanes having mold release properties66US 4,111,861 AUnion Carbide Corporation · 1978
- Thermoformable compositions comprising a crosslinked polycyanurate polymer and a thermoplastic polymer63US 4,157,360 AAllied Chemical Corporation · 1979
- Rubber composition63US 5,106,913 ASumitomo Chemical Company, Limited · 1992
- Hydroxylamines derived from hindered amines60US 4,691,015 ACiba-Geigy Corporation · 1987