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pentenone

pent-3-en-2-one · also: ethylideneacetone, Ethylidene acetone, Methyl propenyl ketone

FormulaC5H8O
Mol. weight84.118
PubChem CID12248
InChIKeyLABTWGUMFABVFG-UHFFFAOYSA-N
SMILESCC=CC(=O)C
2,883Patents
46Research papers
186Patents - 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
1Fujifilm Corp316
2Novartis AG121
3Taiwan Semiconductor Manufacturing Co TSMC Ltd97
4Ionis Pharmaceuticals Inc66
5Henkel AG and Co KGaA50
6Novartis Corp49
7BASF SE47
8Daicel Corp37
9Procter and Gamble Co32
10General Electric Co31

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
1C07DHeterocyclic compounds809
2C07CAcyclic and carbocyclic compounds710
3A61PTherapeutic activity (drug indications)518
4G03F431
5A61KMedicinal preparations409
6C08FPolymers from C=C unsaturated bonds267
7H01LSemiconductor devices235
8H10P220
9C07FOrganometallic compounds218
10B01JChemical/physical processes (e.g. catalysts)209

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
(Z) -4-trifluoromethyl-5-sulfanyl-4-pentenone derivative and preparation method thereof2020Zhejiang Normal University CJNU2
Novel 2-substituted-3,4-epoxycyclopentan-1-ones, 2-substituted-3,4-epoxycyclopentan-1-ols, and various 2-substituted-cyclo-pentenones1979Wyeth Holdings LLC2
PROCESS FOR PREPARING METHYL HEPTENONE BY REACTION OF PRENYL-SUBSTITUTED METHYL PENTENONES WITH A POLYFUNCTIONAL AMINE1981Syensqo USA LLC0
Process for the preparation of ethylideneacetone1958DISTILLERS CO YEAST LTD0
Improvements in the production of ethylidene acetone1956THE DISTILLERS COMPANY LIMITED0

Where research is gaining momentum

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

#Research topicPapers
1Crystal structures of chemical compounds1

Who's driving the science

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

#AuthorAffiliationPapers
1Erwin EderUniversity of Würzburg3
2Junqing GongBeijing Forestry University3
3Lijuan YaoBeijing Forestry University3
4Sheryl A. BarringerThe Ohio State University3
5Yingbai ShenBeijing Forestry University3
6Zhujuan GuoBeijing Forestry University3
7Christian HoffmannUniversity of Würzburg1
8Christoph DeiningerUniversity of Würzburg2
9Chunyang JiaoBeijing Forestry University2
10Juan J. GarridoUniversity of Córdoba2

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 pentenone?

Pentenone, also known as pent-3-en-2-one, has the molecular formula C5H8O with a molecular weight of 84.118 g/mol.

Which organizations hold the most patents related to pentenone?

The top patent assignees for pentenone-related inventions are Fujifilm Corp with 316 patents, Novartis AG with 121 patents, and Taiwan Semiconductor Manufacturing Co TSMC Ltd with 97 patents.

What research topics have been published about pentenone?

Published research on pentenone covers topics including atmospheric chemistry and aerosols, phytochemicals and antioxidant activities, meat and animal product quality, DNA and nucleic acid chemistry, and computational drug discovery methods.

Which CPC patent classification codes appear most frequently in pentenone-related patents?

The most common CPC subclasses in pentenone patents are C07D (heterocyclic compounds) with 809 patents, C07C (acyclic or carbocyclic compounds) with 710 patents, and A61P (medicinal chemistry) with 518 patents.

What is the patent filing trend for pentenone over recent years?

Patent filings for pentenone showed growth from 2016 (71 patents) through 2022 (105 patents), with 92 patents filed in 2024. In the last three years, 191 patents related to pentenone have been filed.

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