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Triphenyltin oxide

also: Farmatin, Super-tin, Ashlade flotin, Fentin-hydroxide, triphenylstannylium hydroxide, Fentin hydroxide, PESTANAL(R), analytical standard

FormulaC18H17OSn
Mol. weight368.043
PubChem CID6327657
InChIKeyNRHFWOJROOQKBK-UHFFFAOYSA-N
SMILESC1=CC=C(C=C1)[Sn](C2=CC=CC=C2)C3=CC=CC=C3.O
25,422Patents
30Research papers
1,495Patents - last 3 years
0Papers - last 3 years

Who owns the IP

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

#AssigneePatents
1BASF SE2,807
2Bayer CropScience AG2,188
3Syngenta Participations AG2,010
4Corteva Agriscience LLC1,220
5Syngenta Crop Protection AG Switzerland816
6Bayer AG769
7EIDP Inc765
8Bayer Intellectual Property GmbH654
9Syngenta Ltd628
10Nippon Soda Co Ltd586

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 repellents20,903
2C07DHeterocyclic compounds13,572
3A61PTherapeutic activity (drug indications)4,393
4C07CAcyclic and carbocyclic compounds3,143
5A01PBiocidal activity of chemical compounds2,113
6A61KMedicinal preparations1,897
7C07FOrganometallic compounds1,271
8A01C875
9Y02AClimate change adaptation843
10C12NMicroorganisms, enzymes826

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
Method of killing fungi with bis (triphenyltin) oxide1966North American Philips Co Inc2
Method of killing fungi with bis (triphenyltin) oxide1960Koninklijke Philips NV0

Where research is gaining momentum

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

#Research topicPapers
1Animal testing and alternatives1
2Environmental Toxicology and Ecotoxicology1
3Marine Biology and Environmental Chemistry1

Who's driving the science

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

#AuthorAffiliationPapers
1Francisco José Roma PaumgarttenFundação Oswaldo Cruz4
2Isabella Fernandes DelgadoFundação Oswaldo Cruz3
3Márcia SarpaFundação Oswaldo Cruz3
4Alexssandro Geferson BeckerUniversidade Federal de Santa Maria2
5Bernardo BaldisserottoUniversidade Federal de Santa Maria2
6Bárbara ClasenUniversidade Federal de Santa Maria2
7Fabiane Goldschmidt AntesBrazilian Agricultural Research Corporation2
8J. R. StandishUniversity of Georgia2
9Rosângela R. De-CarvalhoFundação Oswaldo Cruz2
10T. B. BrennemanUniversity of Georgia2

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 composition of Triphenyltin oxide?

Triphenyltin oxide has the molecular formula C18H17OSn with a molecular weight of 368.043. It is also known by several synonyms including Farmatin, Super-tin, Ashlade flotin, and Fentin hydroxide.

Which organizations hold the most patents related to Triphenyltin oxide?

BASF SE leads with 2807 patents, followed by Bayer CropScience AG with 2188 patents and Syngenta Participations AG with 2010 patents in this technology space.

What are the primary research topics associated with Triphenyltin oxide?

Academic research on Triphenyltin oxide has focused on Environmental Toxicology and Ecotoxicology, Pesticide Exposure and Toxicity, and Immunotoxicology and immune responses. Notable studies include work on differential sensitivity of organisms to organotins and the effect on the rat immune system.

What patent classifications dominate the Triphenyltin oxide patent landscape?

The largest patent classification by count is A01N (biocides, pesticides) with 20903 patents, followed by C07D (heterocyclic compounds) with 13572 patents and A61P (pharmaceutical preparations) with 4393 patents.

How has patenting activity in this field changed in recent years?

Patent activity peaked in 2018 with 1284 patents, followed by a general declining trend through 2024 (724 patents). In the last three years, the field has recorded 1495 patents total, with no new papers published in the last three years despite 30 papers in the full dataset.

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