Triterpenoid sapogenin production in plant and microbial cultures
US-9994883-B2 · Jun 12, 2018 · US
Preparation of steroids
Preparation of steroids · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C12P33/00 |
| Official title | Preparation of steroids |
| Display label | Preparation of steroids |
| Total patents | 184 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 20 |
| 2017 | 22 |
| 2018 | 30 |
| 2019 | 32 |
| 2020 | 18 |
| 2021 | 17 |
| 2022 | 5 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engineered biocatalysts and methods for synthesizing chiral amines
US-9902943-B2 · Feb 27, 2018 · US
Multi-enzyme conjugate, method for preparing the same and method for preparing organic compound using the same
US-2017356014-A1 · Dec 14, 2017 · US
Novel cytochrome p450 polypeptide with increased enzyme activity
US-2017342389-A1 · Nov 30, 2017 · US
Mogrol glycosyltransferase and gene encoding same
US-2017335362-A1 · Nov 23, 2017 · US
21-Hydroxylation of Steroids
US-2017321241-A1 · Nov 9, 2017 · US
Glucosyl stevia composition
US-2017303572-A1 · Oct 26, 2017 · US
Terpenoid derivatives
US-9796752-B2 · Oct 24, 2017 · US
Solventless Extraction Process
US-2017298288-A1 · Oct 19, 2017 · US
Cytochrome P450 polypeptide with increased enzyme activity
US-9765307-B2 · Sep 19, 2017 · US
Sustained-release pharmaceutical composition for treatment and prevention of eye disease
US-2017260228-A1 · Sep 14, 2017 · US
Method for producing a compound of the sterol biosynthesis pathway in a eukaryotic organism
US-2017253901-A1 · Sep 7, 2017 · US
Methods and Materials for Biosynthesis of Mogroside Compounds
US-2017247735-A1 · Aug 31, 2017 · US
Solventless extraction process
US-9738851-B2 · Aug 22, 2017 · US
Process for producing 7-dehydrocholesterol and vitamin d3
US-2017204056-A1 · Jul 20, 2017 · US
Glucosyl stevia composition
US-9706792-B2 · Jul 18, 2017 · US
UDP-glycosyltransferase derived from ginseng and use thereof
US-9670469-B2 · Jun 6, 2017 · US
A novel method for glycosylation of ginsenoside using a glycosyltransferase derived from panax ginseng
US-2017121750-A1 · May 4, 2017 · US
Method for treating candidiasis
US-9629885-B1 · Apr 25, 2017 · US
Production of non-yeast sterols by yeast
US-9624521-B2 · Apr 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12P33/00?
- CPC C12P33/00 is the Cooperative Patent Classification code for “Preparation of steroids.”
- How many patents are filed under CPC C12P33/00 (Preparation of steroids)?
- Our database includes 184 publications tagged with this CPC code.
- Is patent activity under CPC C12P33/00 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).