C11B 9/008
The hetero rings containing six atoms
Official title: {the hetero rings containing six atoms}
C11B9/008 (The hetero rings containing six atoms) appears on 220 US grants and 164 published applications in this corpus.
Search patents in C11B- Granted patents
- 220
- Published applications
- 164
- Assignees
- 50
- Inventors
- 406
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 22 | 0 |
| 1981 | 29 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 4 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 4 |
| 2007 | 1 | 4 |
| 2008 | 3 | 7 |
| 2009 | 4 | 4 |
| 2010 | 1 | 2 |
| 2011 | 1 | 3 |
| 2012 | 3 | 3 |
| 2013 | 4 | 5 |
| 2014 | 2 | 8 |
| 2015 | 4 | 7 |
| 2016 | 10 | 27 |
| 2017 | 10 | 18 |
| 2018 | 14 | 14 |
| 2019 | 2 | 7 |
| 2020 | 4 | 8 |
| 2021 | 6 | 9 |
| 2022 | 7 | 4 |
| 2023 | 2 | 6 |
| 2024 | 3 | 5 |
| 2025 | 4 | 5 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Profragrance conjugates31 Mar 2026US 12,590,264 B2International Flavors & Fragrances Inc.
- Enrichment of a diastereomer in Magnolan24 Mar 2026US 12,583,833 B2Symrise AG
- Enzyme-mediated process for making Amberketal and Amberketal homologues24 Mar 2026US 12,584,153 B2Givaudan SA
- Odorants and compositions comprising odorants10 Feb 2026US 12,545,852 B2S H Kelkar and Company Limited
- Freshening compositions comprising controlled release modulators16 Dec 2025US 12,496,370 B2Arylessence, Inc.
- 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
- Freshening compositions comprising controlled release modulators12 Mar 2026US 2026/0069734 A1Arylessence, Inc.
- Method for enriching burnt-sweet aroma note in yunnan flue-cured tobacco and aerosol-forming material26 Feb 2026US 2026/0053181 A1Shenzhen Smoore Technology Limited
- Fragrance and flavor compositions comprising norbornane and norbornene derivatives9 Oct 2025US 2025/0313523 A1
Most cited
By later US patents
- Uses in perfumery of ether derivatives of indanes56US 4,314,915 AInternational Flavors & Fragrances Inc. · 1982
- Process for the production of compounds useful in perfumery23US 4,162,256 AInternational Flavors & Fragrances Inc. · 1979
- Cyclic acetals22US 5,147,463 ABASF K&F Corporation · 1992
- 2-Keto-6-substituted dioxane-(1,4) compounds18US 3,952,016 ALever Brothers Company · 1976
- Perfume blend including 2-keto-6-substituted-dioxanes-(1,4)18US 3,959,185 ALever Brothers Company · 1976