Who owns the IP
The organizations most actively patenting around this compound, ranked by referenced patent volume.
| # | Assignee | Patents |
|---|---|---|
| 1 | American Sterilizer Co | 26 |
| 2 | 3M Innovative Properties Co | 14 |
| 3 | DSM IP Assets BV | 12 |
| 4 | Massachusetts Institute of Technology | 12 |
| 5 | Otsuka Pharmaceutical Factory Inc | 7 |
| 6 | University of California, San Diego | 7 |
| 7 | Bristol Myers Squibb Co | 6 |
| 8 | Millennium Pharmaceuticals Inc | 6 |
| 9 | Sanofi SA | 6 |
| 10 | 3M Co | 5 |
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 | C12N | Microorganisms, enzymes | 174 |
| 2 | C12Y | Enzyme nomenclature (EC numbers) | 116 |
| 3 | C12P | Fermentation, enzyme processes | 112 |
| 4 | C12Q | Measuring/testing involving enzymes | 91 |
| 5 | A61K | Medicinal preparations | 81 |
| 6 | G01N | Investigating / analysing materials | 74 |
| 7 | A61P | Therapeutic activity (drug indications) | 58 |
| 8 | C07K | Peptides | 48 |
| 9 | Y10S | Cross-reference (legacy) | 25 |
| 10 | A23C | 18 |
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 actionWhere research is gaining momentum
Research themes ranked by publication activity show where scientific interest is accelerating around this compound.
| # | Research topic | Papers |
|---|---|---|
| 1 | Enzyme Production and Characterization | 1 |
| 2 | Polyamine Metabolism and Applications | 1 |
Who's driving the science
The most-published authors working with this compound, alongside their primary affiliations.
| # | Author | Affiliation | Papers |
|---|---|---|---|
| 1 | Dong‐Hyun Kim | Kyung Hee University | 5 |
| 2 | E Fischer | University of Pecs | 5 |
| 3 | Attila Almási | University of Pecs | 4 |
| 4 | Alvan C. Hengge | Utah State University | 3 |
| 5 | Eung‐Chil Choi | Seoul National University | 3 |
| 6 | Kyoichi Kobashi | Tohoku Medical and Pharmaceutical University | 3 |
| 7 | Masahiro Hayashi | Tokyo University of Pharmacy and Life Sciences | 3 |
| 8 | Pál Perjési | University of Pecs | 3 |
| 9 | Shoji Awazu | Tokyo University of Pharmacy and Life Sciences | 3 |
| 10 | Takashi Mizuma | Tokyo University of Pharmacy and Life Sciences | 3 |
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 |
|---|---|---|---|
| Gas Chromatographic–Mass Spectrometric Analysis for Measurement of p-Cresol and Its Conjugated Metabolites in Uremic and Normal Serum | 2005 | 182 | Dialysis and Renal Disease Management |
| Probing the Origin of the Compromised Catalysis of <i>E.</i> <i>coli</i> Alkaline Phosphatase in its Promiscuous Sulfatase Reaction | 2007 | 74 | Folate and B Vitamins Research |
| An estimation of the exposure to organophosphorus pesticides through the simultaneous determination of their main metabolites in urine by liquid chromatography?tandem mass spectrometry | 2004 | 62 | Pesticide Exposure and Toxicity |
| A simple and rapid ion-pair HPLC method for simultaneous quantitation of 4-nitrophenol and its glucuronide and sulfate conjugates | 2006 | 57 | Analytical Chemistry and Chromatography |
| Purification, characterization and reaction mechanism of novel arylsulfotransferase obtained from an anaerobic bacterium of human intestine | 1986 | 54 | Enzyme Catalysis and Immobilization |
Frequently asked questions
Common questions about this compound's patent and research landscape, answered from the underlying data.
What is the molecular formula and weight of p-Nitrophenyl sulfate?
Which organizations hold the most patents involving p-Nitrophenyl sulfate?
What are the main research topics associated with p-Nitrophenyl sulfate patents?
What recent research papers discuss p-Nitrophenyl sulfate and their focus areas?
Who are the leading authors in research involving p-Nitrophenyl sulfate?