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Acephate

N-[methoxy(methylsulfanyl)phosphoryl]acetamide · also: Ortril · Ortran · Acefate · Acephat · Orthene · Orthene-755

FormulaC4H10NO3PS
Mol. weight183.1618
PubChem CID1982
InChIKeyYASYVMFAVPKPKE-UHFFFAOYSA-N
SMILESCC(=O)NP(=O)(OC)SC
36,575Patents
354Research papers353 indexed in detail
2,313Patents - last 3 years
16Papers - last 3 years

Who owns the IP

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

#AssigneePatents
1Bayer AG6,674
2BASF SE4,063
3Corteva Inc2,888
4Sinochem Holdings Corp Ltd2,835
5Sumitomo Chemical Co Ltd1,176
6Nippon Soda Co Ltd936
7FMC Corp573
8Ishihara Sangyo Kaisha Ltd480
9Nissan Chemical Corp389
10C.H. Boehringer Sohn AG and Co KG323

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
1A01NPreservation of bodies; biocides; pest repellents29,649
2C07DHeterocyclic compounds16,953
3A61PTherapeutic activity (drug indications)6,647
4C07CAcyclic and carbocyclic compounds4,269
5A01PBiocidal activity of chemical compounds3,088
6A61KMedicinal preparations3,001
7Y02AClimate change adaptation2,402
8C12NMicroorganisms, enzymes2,155
9C07FOrganometallic compounds1,634
10C07KPeptides1,164

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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Representative patents

The filings that best characterise the patent activity around this compound, most-referenced first.

TitleYearAssigneeCited by
A kind of metal-organic framework material area load molecular imprinted polymer membrane is for the electrochemical detection method of orthene201616
Method for stabilizing acephate and a dry pesticidal formulation containing the stabilized acephate1996Sumitomo Chemical Co Ltd15
Stabilized pesticidal composition containing acephate1997NEC Corp14
Fluorescent nano-CdSe quantum dot probe of acephate pesticide and application of fluorescent nano-CdSe quantum dot probe201212
Continuous production method of acephate201111

How research activity has moved

Papers published per year for this compound, over the last decade of indexed records.

YearPapers
20168
20174
20182
201911
20205
20215
20228
20238
20246
20252

Who's driving the science

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

#AuthorAffiliationPapers
1Dana Boyd BarrCenters for Disease Control and Prevention12
2Steven J. LehotayEastern Regional Research Center5
3Yu Cheng ZhuAgricultural Research Service5
4Myna PanemangaloreKentucky State University5
5Joseph G. GrzywaczWake Forest University4
6Xiwu GaoChina Agricultural University3
7Kelly Valério PratesUniversidade Estadual de Maringá3
8Jinfang SunSoutheast University3
9Larry L. NeedhamCenters for Disease Control and Prevention3
10Dina SpassovaUniversity of Minnesota3

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 acephate?

Acephate has the molecular formula C4H10NO3PS with a molecular weight of 183.1618. Its canonical chemical name is N-[methoxy(methylsulfanyl)phosphoryl]acetamide.

Which companies hold the most patents related to acephate?

The leading patent assignees in the acephate field are Bayer AG with 6,674 patents, BASF SE with 4,063 patents, and Corteva Inc with 2,888 patents. Sinochem Holdings Corp Ltd and Sumitomo Chemical Co Ltd also hold substantial patent portfolios with 2,835 and 1,176 patents respectively.

What research topics are covered in recent papers about acephate?

Recent scientific literature on acephate covers multiple topics including advanced biosensing and bioanalysis techniques, analytical chemistry methods development, pesticide exposure and toxicity assessment, and insect-plant interactions and control. Papers have addressed organophosphorus pesticide detection methods, P-S bond hydrolysis mechanisms, and workplace exposure predictors for farmworkers.

Who are the most prolific authors publishing on acephate research?

Dana Boyd Barr from the Centers for Disease Control and Prevention has published 12 papers on acephate. Steven J. Lehotay from the Eastern Regional Research Center, Yu Cheng Zhu from the Agricultural Research Service, and Myna Panemangalore from Kentucky State University have each published 5 papers on the compound.

What is the historical trend in patent filings for acephate-related technologies?

Patent activity for acephate-related technologies peaked in 2016 with 1,831 patents filed, and has shown a general declining trend over the subsequent years. By 2024, filings had decreased to 1,185 patents, with only 664 filings in 2025 and 88 in 2026.

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