C12P 33/00
Preparation of steroids
C12P33/00 (Preparation of steroids) appears on 405 US grants and 359 published applications in this corpus.
Search patents in C12P- Granted patents
- 405
- Published applications
- 359
- Assignees
- 230
- Inventors
- 1,056
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 14 | 0 |
| 1981 | 11 | 0 |
| 1982 | 14 | 0 |
| 1983 | 8 | 0 |
| 1984 | 9 | 0 |
| 1985 | 5 | 0 |
| 1986 | 9 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 4 |
| 2002 | 6 | 8 |
| 2003 | 8 | 8 |
| 2004 | 3 | 17 |
| 2005 | 4 | 9 |
| 2006 | 12 | 9 |
| 2007 | 8 | 11 |
| 2008 | 4 | 8 |
| 2009 | 5 | 12 |
| 2010 | 9 | 5 |
| 2011 | 5 | 15 |
| 2012 | 11 | 12 |
| 2013 | 3 | 11 |
| 2014 | 8 | 13 |
| 2015 | 8 | 20 |
| 2016 | 14 | 21 |
| 2017 | 11 | 25 |
| 2018 | 18 | 20 |
| 2019 | 25 | 21 |
| 2020 | 19 | 14 |
| 2021 | 12 | 25 |
| 2022 | 8 | 7 |
| 2023 | 8 | 18 |
| 2024 | 8 | 23 |
| 2025 | 14 | 13 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for improving preparation of fermented black ginseng containing high content of functional ingredients based on safety by applying LED1 Sep 2026US 12,721,874 B2Nature Bio Pharma Co
- Modified sterol acyltransferases19 May 2026US 12,630,852 B2Dsm IP Assets B.V.
- Biotechnological optimization of microorganisms for the 1,2-dehydrogenation of steroids19 May 2026US 12,630,853 B2Euroapi France
- Method for preparing ginsenoside preparation by biological engineering technology19 May 2026US 12,630,854 B2
- Production method of recombinant Escherichia coli and high-purity ursodeoxycholic acid12 May 2026US 12,624,335 B2Xi'an Yueda Biotechnology Co., Ltd.
- Method of synthesis of testosteronan polymer and derivatives and uses thereof10 Sep 2026US 2026/0265803 A1Weka Biosciences, LLC
- Methods for making high intensity sweeteners3 Sep 2026US 2026/0258470 A1
- Production of terpenoids, phenolic compounds, and vitamins from yeast family trichosporonaceae27 Aug 2026US 2026/0250719 A1Technische Universität München
- Expanded metabolic pathway for androgen production by commensal bacteria25 Jun 2026US 2026/0177553 A1The Brd. of Trustees of the Univ. of Illinois
- Oxidation of steroids11 Jun 2026US 2026/0159818 A1Oxford University Innovation Limited
Most cited
By later US patents
- Solventless extraction process206US 6,750,048 B2Martek Biosciences Corporation · 2004
- Solventless extraction process96US 7,351,558 B2Martek Biosciences Corporation · 2008
- Method of preparing alpha-glucosyl Stevia composition90US 8,257,948 B1PureCircle USA Inc. · 2012
- Solventless extraction process79US 7,662,598 B2Martek Biosciences Corporation · 2010
- Solventless extraction process75US 7,781,193 B2Martek Biosciences Corporation · 2010