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EDOT

2,3-dihydrothieno[3,4-b][1,4]dioxine · also: 3,4-Ethylenedioxythiopene, 3,4-ethylendioxythiophene, 3.4-ethylenedioxythiophene, 3,4-Ethylenedioxythiophene, 3,4-ethylene dioxythiophene, 3,4-(ethylenedioxy)thiophene

FormulaC6H6O2S
Mol. weight142.172
PubChem CID4421864
InChIKeyGKWLILHTTGWKLQ-UHFFFAOYSA-N
SMILESC1COC2=CSC=C2O1
43,734Patents
103Research papers
6,210Patents - last 3 years
2Papers - last 3 years

Who owns the IP

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

#AssigneePatents
1Samsung Display Co Ltd2,867
2LG Chem Ltd1,136
3Samsung Electronics Co Ltd685
4Panasonic Intellectual Property Management Co Ltd641
5Merck Patent GmbH565
6BOE Technology Group Co Ltd547
7Koninklijke Philips NV530
8Nippon Chemi Con Corp499
9Shin-Etsu Polymer Co Ltd486
10Oceans King Lighting Science and Technology Co Ltd437

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
1H10KOrganic semiconductors / OLEDs17,006
2Y02EClimate change mitigation: energy12,167
3H01GCapacitors, electrolytic capacitors6,044
4C09KMaterials for misc. applications5,962
5C08GPolymers from non-vinyl bonds (e.g. polyamides, polyesters)4,723
6C07DHeterocyclic compounds4,608
7H01LSemiconductor devices4,267
8C08LPolymer compositions (blends)3,487
9H01BCables and conductors3,352
10C09DCoatings, paints, varnishes3,205

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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Most-cited patents

Patents ranked by forward citations reveal the foundational inventions the field continues to build on.

TitleYearAssigneeCited by
Preparation of 2,2′-di(3,4-ethylenedioxythiophene)s2006Heraeus Deutschland GmbH and Co KG66
Toner compositions comprising polyester resin and poly (3,4-ethylenedioxythiophene)2004Xerox Corp58
Electrochromic assembly based on poly(3,4-ethylenedioxythiophene) derivatives and a UV-stabilized gel electrolyte2000Bayer AG41
Poly(3,4-ethylenedioxythiophene)/sulfonated graphene composite hydrogel and preparation method thereof2012HOHAI UNIVERSITY35
UV-stabilized electrochromic assembly based on poly(3,4-ethylenedioxythiophene) derivatives2002H.C. Starck GmbH35

Where research is gaining momentum

Research themes ranked by publication activity show where scientific interest is accelerating around this compound.

#Research topicPapers
1Catalytic C–H Functionalization Methods1
2Organic Light-Emitting Diodes Research1
3Silicon and Solar Cell Technologies1

Who's driving the science

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

#AuthorAffiliationPapers
1Jean RoncaliUniversité d'Angers7
2Ivana StolićUniversity of Zagreb4
3Miroslav BajićUniversity of Zagreb4
4Philippe BlanchardUniversité d'Angers4
5Pierre FrèreCentre National de la Recherche Scientifique4
6Jean‐Manuel RaimundoUniversité d'Angers3
7Magali AllainUniversité d'Angers3
8Reginald M. PennerUniversity of California, Irvine3
9Carlos AlemánUniversitat Politècnica de Catalunya2
10Chia‐Yuan ChenNational Central University2

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 weight of EDOT?

EDOT has the molecular formula C6H6O2S and a molecular weight of 142.172 g/mol. Its canonical name is 2,3-dihydrothieno[3,4-b][1,4]dioxine.

Which companies hold the most patents related to EDOT?

The leading patent assignees for EDOT-related technologies are Samsung Display Co Ltd with 2,867 patents, followed by LG Chem Ltd with 1,136 patents, and Samsung Electronics Co Ltd with 685 patents.

What are the primary patent technology classifications for EDOT?

EDOT patents are predominantly classified under H10K (organic electroluminescent devices) with 17,006 patents, Y02E (energy generation from renewable sources) with 12,167 patents, and H01G (capacitors) with 6,044 patents.

What research applications have been published for EDOT?

Published research demonstrates EDOT applications in microwave absorption in nanocomposites, chronic neural stimulation, nonlinear optics, organic semiconductor design, and dye-sensitized solar cells, with papers addressing topics in organic electronics, photovoltaics, and photocatalysis.

How has patent activity for EDOT evolved in recent years?

EDOT patent filings have grown significantly, with 3,540 patents filed in 2021, increasing to 4,697 in 2023. In the last three years, there have been 6,210 EDOT-related patents filed across all jurisdictions.

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