C11B 9/0057
Spiro compounds
Official title: {Spiro compounds}
C11B9/0057 (Spiro compounds) appears on 39 US grants and 29 published applications in this corpus.
Search patents in C11B- Granted patents
- 39
- Published applications
- 29
- Assignees
- 18
- Inventors
- 98
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 0 |
| 2013 | 3 | 3 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 3 |
| 2017 | 2 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 3 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compounds for a controlled release of active perfuming molecules24 Mar 2026US 12,584,082 B2Firmenich SA
- Spiro compounds as malodor counteracting ingredients31 Dec 2024US 12,180,434 B2Firmenich SA
- Use of volatile compositions to limit or eliminate the perception of malodor5 Sep 2023US 11,744,785 B2Firmenich SA
- Compounds for a controlled release of active perfuming molecules26 Oct 2021US 11,155,772 B2Firmenich SA
- Cyclamen odorant29 Dec 2020US 10,876,069 B2Firmenich SA
- Fragrance composition13 Mar 2025US 2025/0084050 A1Kao Corporation
- Spiro Compounds as Malodor Counteracting Ingredients27 Feb 2025US 2025/0066690 A1Firmenich SA
- Use of substituted cyclopentenones and cyclopentanones as aroma ingredients17 Oct 2024US 2024/0343992 A1BASF SE
- Use of volatile compositions to limit or eliminate the perception of malodor27 Jul 2023US 2023/0233425 A1Firmenich SA
- Spiro compounds as malodor counteracting ingredients25 May 2023US 2023/0159853 A1Firmenich SA
Most cited
By later US patents
- Spirodienones and spirocyclic ketones10US 4,261,866 AFritzsche Dodge & Olcott Inc. · 1981
- Spirocyclic compounds9US 6,114,300 AGivaudan Roure (International) SA · 2000
- Perfume composition containing 6,10 dimethyl - spiro [4.5]decane-type compounds6US 3,962,147 AFirmenich SA · 1976
- Spirane derivatives useful as perfuming and flavor-modifying ingredients6US 4,179,448 AFirmenich SA · 1979
- Mono-enol ethers of 4-acetyl-3,3,5,5-tetramethylcyclohexanone5US 3,953,516 ASociete Anonyme Roure Bertrand Dupont · 1976