Who owns the IP
The organizations most actively patenting around this compound, ranked by referenced patent volume.
| # | Assignee | Patents |
|---|---|---|
| 1 | Mitsubishi Chemical Group Corp | 599 |
| 2 | Mitsui Chemicals Inc | 344 |
| 3 | Nippon Steel Corp | 73 |
| 4 | Pepsico Inc | 71 |
| 5 | University of California | 71 |
| 6 | Pioneer Corp | 44 |
| 7 | Adeka Corp | 26 |
| 8 | Harvard University | 25 |
| 9 | Toyota Industries Corp | 24 |
| 10 | Mass General Brigham Inc | 17 |
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 | H10K | Organic semiconductors / OLEDs | 683 |
| 2 | C09K | Materials for misc. applications | 415 |
| 3 | A61K | Medicinal preparations | 379 |
| 4 | A61P | Therapeutic activity (drug indications) | 332 |
| 5 | H05B | 313 |
| 6 | C07D | Heterocyclic compounds | 291 |
| 7 | C08G | Polymers from non-vinyl bonds (e.g. polyamides, polyesters) | 214 |
| 8 | A23L | Foods and beverages (general) | 178 |
| 9 | Y10S | Cross-reference (legacy) | 129 |
| 10 | C07F | Organometallic compounds | 124 |
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 |
|---|---|---|---|
| SENSITIZATION OF CANCER CELLS TO APOPTOSIS INDUCTION BY FLAVAGLINES AND 5-HYDROXY-FLAVONES | 2015 | German Cancer Research Center | 4 |
| Medical application of 5-hydroxyflavone substituted N-chlorphenyl-acetamide in resisting mycobacterium tuberculosis infection | 2022 | 0 | |
| Medical application of 5-hydroxyflavone substituted N-phenethyl acetamide in resisting mycobacterium tuberculosis infection | 2022 | 0 | |
| SENSITIZATION OF CANCER CELLS TO APOPTOSIS INDUCTION BY FLAVAGLINES AND 5-HYDROXY-FLAVONES | 2016 | German Cancer Research Center | 0 |
| Method for asymmetric synthesis of spiro-lactone compound containing chiral 5-hydroxy flavone unit | 2016 | 0 |
How research activity has moved
Papers published per year for this compound, over the last decade of indexed records.
| Year | Papers |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
Who's driving the science
The most-published authors working with this compound, alongside their primary affiliations.
| # | Author | Affiliation | Papers |
|---|---|---|---|
| 1 | Eduarda Fernandes | Universidade do Porto | 4 |
| 2 | Marisa Freitas | Universidade do Porto | 3 |
| 3 | Larry A. Sklar | University of New Mexico | 3 |
| 4 | Daniela Ribeiro | Universidade do Porto | 3 |
| 5 | Matthew Saunders | University of New Mexico | 3 |
| 6 | Steven W. Graves | Los Alamos National Laboratory | 3 |
| 7 | Artur M. S. Silva | University of Aveiro | 3 |
| 8 | Bruce S. Edwards | University of New Mexico | 3 |
| 9 | Hiroto Tamura | Meijo University | 2 |
| 10 | Janez Konc | University of Ljubljana | 2 |
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 |
|---|---|---|---|
| Flavonoids and nitric oxide synthase. | 2002 | 161 | Angiogenesis and VEGF in Cancer |
| Mutagenicity of Flavonoids Assayed by Bacterial Reverse Mutation (Ames) Test | 2012 | 141 | Carcinogens and Genotoxicity Assessment |
| Metabolism and Pharmacokinetics of 3,3′,4′,7-Tetrahydroxyflavone (Fisetin), 5-Hydroxyflavone, and 7-Hydroxyflavone and Antihemolysis Effects of Fisetin and Its Serum Metabolites | 2008 | 119 | Natural product bioactivities and synthesis |
| Fluorescence behavior of (selected) flavonols: a combined experimental and computational study | 2013 | 64 | Phytochemicals and Antioxidant Activities |
| Biological Effects of Epicuticular Flavonoids from Primula denticulata on Human Leukemia Cells | 2003 | 53 | Natural product bioactivities and synthesis |
Frequently asked questions
Common questions about this compound's patent and research landscape, answered from the underlying data.
What is the molecular structure and formula of Primuletin?
Which organizations hold the most patents involving Primuletin?
What are the main patent application areas for compounds related to Primuletin?
How has patent activity related to Primuletin trended in recent years?
Which research institutions have authored papers on Primuletin?