Who owns the IP
The organizations most actively patenting around this compound, ranked by referenced patent volume.
| # | Assignee | Patents |
|---|---|---|
| 1 | Symrise AG | 360 |
| 2 | Samsung Biologics Co Ltd | 252 |
| 3 | Coca-Cola Co | 236 |
| 4 | Roche Holding AG | 205 |
| 5 | Bayer AG | 159 |
| 6 | Merck and Co Inc | 156 |
| 7 | Novartis AG | 138 |
| 8 | Sanofi SA | 135 |
| 9 | Ingredion Inc | 100 |
| 10 | Pfizer Inc | 99 |
Explore the full landscape
This preview shows the leading assignees. Cypris reveals the full ownership landscape - every filing entity, filing trends, and portfolio momentum.
Visit CyprisWhere innovation is concentrated
Patent classifications ranked by volume reveal the technical domains with the most active filing.
| # | Code | Area | Patents |
|---|---|---|---|
| 1 | A61K | Medicinal preparations | 3,054 |
| 2 | A61P | Therapeutic activity (drug indications) | 2,879 |
| 3 | C07J | 2,460 | |
| 4 | C12N | Microorganisms, enzymes | 741 |
| 5 | C07K | Peptides | 638 |
| 6 | C07D | Heterocyclic compounds | 565 |
| 7 | A61Q | Cosmetics, personal care | 529 |
| 8 | G01N | Investigating / analysing materials | 418 |
| 9 | A23L | Foods and beverages (general) | 415 |
| 10 | C07C | Acyclic and carbocyclic compounds | 320 |
AI mapped opportunity space
This preview shows where patent activity concentrates. Cypris maps the full classification landscape to surface technical whitespace and IP headroom.
See Cypris in actionRepresentative patents
The filings that best characterise the patent activity around this compound, most-referenced first.
| Title | Year | Assignee | Cited by |
|---|---|---|---|
| 3,3 DISUBSTITUTED 19-NOR PREGNANE COMPOUNDS, COMPOSITIONS, AND USES THEREOF | 2013 | Supernus Pharmaceuticals Inc | 172 |
| Neuroactive steroids of the androstane and pregnane series | 1999 | Purdue Pharma LP | 170 |
| Method, compositions, and compounds for allosteric modulation of the gaba receptor by members of the androstane and pregnane series | 1999 | Purdue Pharma LP | 162 |
| Methods, compositions, and compounds for allosteric modulation of the GABA receptor by members of the androstane and pregnane series | 1993 | University of Southern California | 160 |
| Methods for allosteric modulation of the GABA receptor by members of the androstane and pregnane series | 2001 | Purdue Pharma LP | 108 |
Who's driving the science
The most-published authors working with this compound, alongside their primary affiliations.
| # | Author | Affiliation | Papers |
|---|---|---|---|
| 1 | Curtis D. Klaassen | University of Kansas Medical Center | 23 |
| 2 | Jean‐Marc Pascussi | Inserm | 22 |
| 3 | Masahiko Negishi | National Institute of Environmental Health Sciences | 22 |
| 4 | Wen Xie | University of Pittsburgh | 21 |
| 5 | Jeff L. Staudinger | University of Kansas | 20 |
| 6 | Erin G. Schuetz | St. Jude Children's Research Hospital | 16 |
| 7 | Matthew R. Redinbo | University of North Carolina at Chapel Hill | 16 |
| 8 | Frank J. Gonzalez | National Institutes of Health | 15 |
| 9 | Sean Ekins | University of Maryland, Baltimore | 13 |
| 10 | Nick Plant | University of Surrey | 12 |
Research leaders
This preview lists the top authors. Cypris surfaces the full researcher landscape, their affiliations, and how scientific influence is shifting.
See Cypris in actionThe literature that defines it
The most-cited papers anchoring the scientific record for this compound.
| Title | Year | Cited by | Topic |
|---|---|---|---|
| Nuclear Receptors and Lipid Physiology: Opening the X-Files | 2001 | 2082 | Peroxisome Proliferator-Activated Receptors |
| Induction of phase I, II and III drug metabolism/transport by xenobiotics | 2005 | 1270 | Pharmacogenetics and Drug Metabolism |
| Vitamin D Receptor As an Intestinal Bile Acid Sensor | 2002 | 1172 | Vitamin D Research Studies |
| Neurosteroids: endogenous regulators of the GABAA receptor | 2005 | 1157 | Neuroscience and Neuropharmacology Research |
| Hormone Therapy and Venous Thromboembolism Among Postmenopausal Women | 2007 | 852 | Venous Thromboembolism Diagnosis and Management |
Frequently asked questions
Common questions about this compound's patent and research landscape, answered from the underlying data.
What is the molecular composition of Pregnane?
Which companies have the most patents related to Pregnane?
What are the most-cited patents in the Pregnane literature?
What research topics are most associated with Pregnane in the published literature?
What patent classifications are most prevalent for Pregnane inventions?