Who owns the IP
The organizations most actively patenting around this compound, ranked by referenced patent volume.
| # | Assignee | Patents |
|---|---|---|
| 1 | BASF SE | 68 |
| 2 | Daiichi Sankyo Co Ltd | 60 |
| 3 | Mitsui Chemicals Inc | 31 |
| 4 | Fujifilm Holdings Corp | 25 |
| 5 | Nippon Steel Corp | 25 |
| 6 | Nissan Chemical Corp | 25 |
| 7 | Mitsubishi Gas Chemical Co Inc | 16 |
| 8 | Exxon Mobil Corp | 14 |
| 9 | Tosoh Corp | 14 |
| 10 | China National Petroleum Corp | 13 |
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 | C07D | Heterocyclic compounds | 316 |
| 2 | A61P | Therapeutic activity (drug indications) | 226 |
| 3 | A61K | Medicinal preparations | 179 |
| 4 | C07C | Acyclic and carbocyclic compounds | 172 |
| 5 | C08F | Polymers from C=C unsaturated bonds | 129 |
| 6 | Y02P | Climate change mitigation: production | 90 |
| 7 | C09K | Materials for misc. applications | 89 |
| 8 | C08G | Polymers from non-vinyl bonds (e.g. polyamides, polyesters) | 88 |
| 9 | G01N | Investigating / analysing materials | 84 |
| 10 | C07H | Sugars and derivatives | 83 |
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 |
|---|---|---|---|
| Nucleoside and oligonucleotide analogues | 2008 | Daiichi Sankyo Co Ltd | 204 |
| COMPOUNDS FOR ELECTRONIC DEVICES | 2010 | Merck KGaA | 181 |
| Nucleoside and oligonucleotide analogues | 2008 | Daiichi Sankyo Co Ltd | 165 |
| Organic light-emitting device | 2016 | 74 | |
| Angiotensin II antagosist 1-biphenylmethylimidazole compounds and their therapeutic use | 1997 | Daiichi Sankyo Co Ltd | 185 |
How research activity has moved
Papers published per year for this compound, over the last decade of indexed records.
| Year | Papers |
|---|---|
| 2016 | 4 |
| 2017 | 1 |
| 2024 | 1 |
Who's driving the science
The most-published authors working with this compound, alongside their primary affiliations.
| # | Author | Affiliation | Papers |
|---|---|---|---|
| 1 | Daphnee S. Pushparajah | University of Surrey | 4 |
| 2 | Costas Ioannides | University of Surrey | 4 |
| 3 | Nick Plant | University of Surrey | 3 |
| 4 | Yvonne C.M. Staal | Maastricht University | 3 |
| 5 | Frederik‐Jan van Schooten | Maastricht University | 3 |
| 6 | Meera Umachandran | University of Surrey | 3 |
| 7 | Kathryn E. Plant | University of Surrey | 3 |
| 8 | Joost H.M. van Delft | Maastricht University | 3 |
| 9 | Marcel H. M. van Herwijnen | Maastricht University | 3 |
| 10 | Jianan Zhong | Sun Yat-sen University | 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 |
|---|---|---|---|
| Solvent-Extractable Polycyclic Aromatic Hydrocarbons in Biochar: Influence of Pyrolysis Temperature and Feedstock | 2012 | 295 | Thermochemical Biomass Conversion Processes |
| Measuring the toxicity of alkyl-phenanthrenes to early life stages of medaka (Oryzias latipes)using partition-controlled delivery | 2010 | 120 | Toxic Organic Pollutants Impact |
| Binary PAH mixtures cause additive or antagonistic effects on gene expression but synergistic effects on DNA adduct formation | 2007 | 97 | Toxic Organic Pollutants Impact |
| Polycyclic aromatic hydrocarbons and their oxygenated derivatives in the urban atmosphere of Athens | 2009 | 95 | Atmospheric chemistry and aerosols |
| Electronic absorption spectroscopy of matrix-isolated polycyclic aromatic hydrocarbon cations. II. The phenanthrene cation (C14H10+) and its 1-methyl derivative | 1994 | 88 | Advanced Chemical Physics Studies |
Frequently asked questions
Common questions about this compound's patent and research landscape, answered from the underlying data.
What is the molecular composition of methyl phenanthrene?
Which organizations hold the most patents involving methyl phenanthrene?
What are the main research topics associated with methyl phenanthrene in scientific literature?
What is the patent trend for methyl phenanthrene over the past decade?
Which chemical classifications are most frequently associated with methyl phenanthrene patents?