Who owns the IP
The organizations most actively patenting around this compound, ranked by referenced patent volume.
| # | Assignee | Patents |
|---|---|---|
| 1 | L'Oréal SA | 2,556 |
| 2 | Henkel AG and Co KGaA | 1,540 |
| 3 | Fujifilm Holdings Corp | 1,316 |
| 4 | Konica Minolta Inc | 1,287 |
| 5 | Mitsubishi Gas Chemical Co Inc | 1,030 |
| 6 | Toray Industries Inc | 554 |
| 7 | Procter and Gamble Co | 471 |
| 8 | BASF SE | 438 |
| 9 | Fujifilm Corp | 377 |
| 10 | Eastman Kodak Co | 349 |
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 | 8,194 |
| 2 | A61Q | Cosmetics, personal care | 6,238 |
| 3 | C08G | Polymers from non-vinyl bonds (e.g. polyamides, polyesters) | 5,382 |
| 4 | C08L | Polymer compositions (blends) | 4,696 |
| 5 | C07D | Heterocyclic compounds | 4,492 |
| 6 | C08K | Polymer compositions (additives) | 3,029 |
| 7 | G03C | 2,969 | |
| 8 | A61P | Therapeutic activity (drug indications) | 2,833 |
| 9 | C07C | Acyclic and carbocyclic compounds | 2,560 |
| 10 | C09D | Coatings, paints, varnishes | 2,163 |
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 actionMost-cited patents
Patents ranked by forward citations reveal the foundational inventions the field continues to build on.
| Title | Year | Assignee | Cited by |
|---|---|---|---|
| HAIR DYE COMPOSITION COMPOUNDED WITH 4-AMINO-N,N-DIALKYLANILINE COMPOUND | 1999 | Fujifilm Holdings Corp | 5 |
| 3-and 4-amino-N(alkyl phenyl) benzamide compounds and composition containing same as anticonvulsant drugs | 1987 | Research Corporation Technologies, Inc. (a Delaware corp.) | 4 |
| 4-amino-n, n-dialkyl-3-dialkylaminoanilines as developers for photographic silver halide emulsions | 1953 | Eastman Kodak Co | 2 |
| A kind of preparation method of N, N- dimethyl-p-phenylenediamine's hydrochloride | 2019 | Sinopharm Chemical Reagent Co Ltd | 1 |
| Synthesis method of N,N-dimethyl-p-phenylenediamine | 2010 | Zhejiang University of Technology | 1 |
Where research is gaining momentum
Research themes ranked by publication activity show where scientific interest is accelerating around this compound.
| # | Research topic | Papers |
|---|---|---|
| 1 | Fungal Biology and Applications | 1 |
Who's driving the science
The most-published authors working with this compound, alongside their primary affiliations.
| # | Author | Affiliation | Papers |
|---|---|---|---|
| 1 | İlhami Gülçın | Atatürk University | 8 |
| 2 | Laura Ferrer | Universitat de les Illes Balears | 4 |
| 3 | José Manuel Estela | Universitat de les Illes Balears | 3 |
| 4 | Sarawut Lunvongsa | Okayama University | 3 |
| 5 | Shoji Motomizu | Okayama University | 3 |
| 6 | Vı́ctor Cerdà | Universitat de les Illes Balears | 3 |
| 7 | Abdullah Menzek | Atatürk University | 2 |
| 8 | Akçahan Gepdíremen | Bolu Abant İzzet Baysal University | 2 |
| 9 | Carl E. Cerniglia | National Center for Toxicological Research | 2 |
| 10 | Fatemeh Talaei | University Medical Center Groningen | 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 |
|---|---|---|---|
| Biochemical and molecular characterization of an azoreductase from Staphylococcus aureus, a tetrameric NADPH-dependent flavoprotein | 2005 | 231 | Enzyme-mediated dye degradation |
| Evaluation of Antioxidant Capacity and Phenol Content in Jackfruit (Artocarpus heterophyllus Lam.) Fruit Pulp | 2010 | 186 | Phytochemicals and Antioxidant Activities |
| Antioxidant Profile of Red Wines Evaluated by Total Antioxidant Capacity, Scavenger Activity, and Biomarkers of Oxidative Stress Methodologies | 2007 | 178 | Phytochemicals and Antioxidant Activities |
| Enzymological Characterization of EpoA, a Laccase-Like Phenol Oxidase Produced by Streptomyces griseus | 2003 | 169 | Enzyme-mediated dye degradation |
| Determination of total and dissolved amount of iron in water samples using catalytic spectrophotometric flow injection analysis | 2005 | 161 | Analytical chemistry methods development |
Frequently asked questions
Common questions about this compound's patent and research landscape, answered from the underlying data.
What is the molecular composition of N,N-dimethyl-p-phenylenediamine?
Which organizations hold the largest patent portfolios involving this compound?
What are the primary technology areas where patents on this compound are filed?
What historical applications of this compound are documented in older patents?
How has patent activity on this compound evolved in recent years?