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Ebsulfur

2-phenyl-1,2-benzothiazol-3-one

FormulaC13H9NOS
Mol. weight227.281
PubChem CID164981
InChIKeyKDMQSUUXKLZVNU-UHFFFAOYSA-N
SMILESC1=CC=C(C=C1)N2C(=O)C3=CC=CC=C3S2
148Patents
31Research papers
24Patents - last 3 years
1Papers - last 3 years

Who owns the IP

The organizations most actively patenting around this compound, ranked by referenced patent volume.

#AssigneePatents
1Emory University24
2Sumitomo Chemical Co Ltd18
3A Natterman und Cie GmbH10
4Sumitomo Seika Chemicals Co Ltd9
5Warner Lambert Co LLC8
6Chugoku Marine Paints Ltd6
7Centre National de la Recherche Scientifique5
8Fujifilm Corp4
9Institut National de la Santé et de la Recherche Médicale4
10Northwestern University3

Explore the full landscape

This preview shows the leading assignees. Cypris reveals the full ownership landscape - every filing entity, filing trends, and portfolio momentum.

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Where innovation is concentrated

Patent classifications ranked by volume reveal the technical domains with the most active filing.

#CodeAreaPatents
1A61KMedicinal preparations87
2A61PTherapeutic activity (drug indications)82
3C07DHeterocyclic compounds58
4C07CAcyclic and carbocyclic compounds22
5Y02AClimate change adaptation19
6A01NPreservation of bodies; biocides; pest repellents16
7C07KPeptides12
8C09DCoatings, paints, varnishes9
9G01NInvestigating / analysing materials9
10C12NMicroorganisms, enzymes8

AI mapped opportunity space

This preview shows where patent activity concentrates. Cypris maps the full classification landscape to surface technical whitespace and IP headroom.

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Who's driving the science

The most-published authors working with this compound, alongside their primary affiliations.

#AuthorAffiliationPapers
1Bruce S. EdwardsUniversity of New Mexico3
2Larry A. SklarUniversity of New Mexico3
3Matthew SaundersUniversity of New Mexico3
4Steven W. GravesLos Alamos National Laboratory3
5Aalt BastVrije Universiteit Amsterdam2
6Anton SimeonovNational Center for Advancing Translational Sciences2
7Chad E. SchroederUniversity of Kansas2
8Eduard SergienkoSanford Burnham Prebys Medical Discovery Institute2
9H. TimmermanVrije Universiteit Amsterdam2
10Helmut SiesHeinrich Heine University Düsseldorf2

Research leaders

This preview lists the top authors. Cypris surfaces the full researcher landscape, their affiliations, and how scientific influence is shifting.

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The literature that defines it

The most-cited papers anchoring the scientific record for this compound.

Frequently asked questions

Common questions about this compound's patent and research landscape, answered from the underlying data.

What is the molecular formula and structure of Ebsulfur?

Ebsulfur, with the canonical name 2-phenyl-1,2-benzothiazol-3-one, has the molecular formula C13H9NOS and a molecular weight of 227.281 g/mol. Its InChI Key is KDMQSUUXKLZVNU-UHFFFAOYSA-N.

Which organizations hold the most patents for Ebsulfur?

Emory University holds the largest patent portfolio for Ebsulfur with 24 patents, followed by Sumitomo Chemical Co Ltd with 18 patents, and A Natterman und Cie GmbH with 10 patents.

What are the primary patent classifications associated with Ebsulfur applications?

The dominant CPC patent classifications for Ebsulfur are A61K (pharmaceutical compositions) with 87 patents, A61P (therapeutic applications) with 82 patents, and C07D (heterocyclic compounds) with 58 patents, indicating pharmaceutical and chemical synthesis applications.

What research topics have been explored in published papers on Ebsulfur?

Published research on Ebsulfur has covered redox biology and oxidative stress, antifungal resistance and susceptibility, sulfur compounds in biology, selenium in biological systems, and synthesis with biological activity. Notable work includes studies on superoxide anion inhibition and effects on Candida albicans membrane H+-ATPase.

How has patent activity for Ebsulfur trended in recent years?

Patent filings for Ebsulfur have shown variable activity over the last decade, with 24 patents filed in the last 3 years. Recent years show peaks in 2023 (12 patents) and 2022 (14 patents), with 2024 recording 10 patents and 2025 year-to-date showing 7 patents.

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