Who owns the IP
The organizations most actively patenting around this compound, ranked by referenced patent volume.
| # | Assignee | Patents |
|---|---|---|
| 1 | BASF SE | 59 |
| 2 | Sankyo Co Ltd | 42 |
| 3 | Nippon Steel Chemical and Materials Co Ltd | 25 |
| 4 | Nissan Chemical Corp | 25 |
| 5 | Mitsui Chemicals Inc | 20 |
| 6 | Daiichi Sankyo Co Ltd | 18 |
| 7 | Mitsubishi Gas Chemical Co Inc | 16 |
| 8 | Fujifilm Wako Pure Chemical Corp | 15 |
| 9 | Tosoh Corp | 14 |
| 10 | Petrochina Co Ltd | 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 actionWho's driving the science
The most-published authors working with this compound, alongside their primary affiliations.
| # | Author | Affiliation | Papers |
|---|---|---|---|
| 1 | Costas Ioannides | University of Surrey | 4 |
| 2 | Daphnee S. Pushparajah | University of Surrey | 4 |
| 3 | Frederik‐Jan van Schooten | Maastricht University | 3 |
| 4 | Joost H.M. van Delft | Maastricht University | 3 |
| 5 | Kathryn E. Plant | University of Surrey | 3 |
| 6 | Marcel H. M. van Herwijnen | Maastricht University | 3 |
| 7 | Meera Umachandran | University of Surrey | 3 |
| 8 | Nick Plant | University of Surrey | 3 |
| 9 | Yvonne C.M. Staal | Maastricht University | 3 |
| 10 | Baowei Chen | 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 | 292 | Thermochemical Biomass Conversion Processes |
| Measuring the toxicity of alkyl-phenanthrenes to early life stages of medaka (<i>Oryzias latipes)</i>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 related to methyl phenanthrene?
What are the primary research areas associated with methyl phenanthrene?
What patent technology classifications are most common for methyl phenanthrene?
How has patent activity for methyl phenanthrene evolved in recent years?