C11B 9/0069
Heterocyclic compounds
Official title: {Heterocyclic compounds}
C11B9/0069 (Heterocyclic compounds) appears on 616 US grants and 414 published applications in this corpus.
Search patents in C11B- Granted patents
- 616
- Published applications
- 414
- Assignees
- 118
- Inventors
- 967
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 31 | 0 |
| 1977 | 16 | 0 |
| 1978 | 12 | 0 |
| 1979 | 18 | 0 |
| 1980 | 33 | 0 |
| 1981 | 42 | 0 |
| 1982 | 15 | 0 |
| 1983 | 23 | 0 |
| 1984 | 13 | 0 |
| 1985 | 21 | 0 |
| 1986 | 9 | 0 |
| 1987 | 8 | 0 |
| 1988 | 11 | 0 |
| 1989 | 8 | 0 |
| 1990 | 14 | 0 |
| 1991 | 18 | 0 |
| 1992 | 10 | 0 |
| 1993 | 15 | 0 |
| 1994 | 11 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 3 |
| 2002 | 5 | 10 |
| 2003 | 7 | 9 |
| 2004 | 5 | 4 |
| 2005 | 3 | 9 |
| 2006 | 4 | 11 |
| 2007 | 6 | 12 |
| 2008 | 5 | 16 |
| 2009 | 10 | 13 |
| 2010 | 7 | 11 |
| 2011 | 7 | 11 |
| 2012 | 6 | 10 |
| 2013 | 10 | 19 |
| 2014 | 7 | 23 |
| 2015 | 20 | 17 |
| 2016 | 17 | 43 |
| 2017 | 19 | 36 |
| 2018 | 21 | 29 |
| 2019 | 7 | 16 |
| 2020 | 14 | 23 |
| 2021 | 16 | 16 |
| 2022 | 14 | 11 |
| 2023 | 11 | 19 |
| 2024 | 5 | 18 |
| 2025 | 9 | 12 |
| 2026 | 9 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Furan compound and its use in fragrance formulations1 Sep 2026US 12,723,033 B2International Flavors & Fragrances Inc.
- (3aS,4aR,5S,7aS,9R,9aR)-2,2,5,8,8,9a-hexamethyloctahydro-4H-4a,9-methanoazuleno[5,6-d][1,3]dioxole30 Jun 2026US 12,668,579 B2Givaudan SA
- Compounds for providing a long-lasting odor2 Jun 2026US 12,643,865 B2Firmenich SA
- Method for the production of musk fragrance ingredient28 Apr 2026US 12,612,353 B2Givaudan SA
- Profragrance conjugates31 Mar 2026US 12,590,264 B2International Flavors & Fragrances Inc.
- (3aS,4aR,5S,7aS,9R,9aR)-2,2,5,8,8,9a-hexamethyloctahydro-4H-4a,9-methanoazuleno[5,6-d][1,3]dioxole24 Sep 2026US 2026/0285827 A1Givaudan SA
- Novel derivatives of glycerol10 Sep 2026US 2026/0265214 A1Symrise AG
- Esters and ethers of 5-isopropyl-2-methylcyclohexan-1-ol as fragrance ingredients16 Jul 2026US 2026/0201270 A1BASF SE
- Substituted 1,3-dioxolan-4-ones and 1,3-dioxan-4-ones as fragrance ingredients9 Jul 2026US 2026/0193564 A1BASF SE
- A fragrance mixture (iii)2 Jul 2026US 2026/0185012 A1
Most cited
By later US patents
- 4-(1-menthoxymethyl)-2-phenyl-1,3-dioxolane or its derivatives and flavor composition containing the same65US 5,545,424 ATakasago Institute for Interdisciplinary Science, Inc. · 1996
- Uses in perfumery of ether derivatives of indanes56US 4,314,915 AInternational Flavors & Fragrances Inc. · 1982
- Method of using alpha-keto enamine derivatives as ingredients and products incorporating same56US 6,592,884 B2Nestec S. A. · 2003
- Use of sclareolide in augmenting or enhancing the organoleptic properties of foodstuffs46US 4,917,913 AInternational Flavors & Fragrances Inc. · 1990
- Use of sclareolide to debitter a coffee beverage35US 4,988,532 AInternational Flavors & Fragrances Inc. · 1991