Book a demo

Chemical intelligence powered by cypris.ai

Triphenyltin oxide

also: Farmatin · Super-tin · Ashlade flotin · Fentin-hydroxide · triphenylstannylium hydroxide

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
1,428Patents - 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
1Bayer AG4,106
2Sinochem Holdings Corp Ltd3,516
3BASF SE3,157
4Corteva Inc2,030
5Nippon Soda Co Ltd594
6C.H. Boehringer Sohn AG and Co KG539
7FMC Corp474
8Ishihara Sangyo Kaisha Ltd445
9Akzo Nobel NV333
10Nissan Chemical Corp286

Explore the full landscape

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

Visit Cypris

Where innovation is concentrated

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

#CodeAreaPatents
1A01NPreservation of bodies; biocides; pest repellents20,904
2C07DHeterocyclic compounds13,574
3A61PTherapeutic activity (drug indications)4,397
4C07CAcyclic and carbocyclic compounds3,143
5A01PBiocidal activity of chemical compounds2,114
6A61KMedicinal preparations1,897
7C07FOrganometallic compounds1,271
8A01C875
9Y02AClimate change adaptation844
10C12NMicroorganisms, enzymes824

AI mapped opportunity space

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

See Cypris in action

Representative patents

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

TitleYearAssigneeCited by
Method of killing fungi with bis (triphenyltin) oxide1966Koninklijke Philips NV2
Method of killing fungi with bis (triphenyltin) oxide1960Koninklijke Philips NV0

How research activity has moved

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

YearPapers
20172
20181
20192

Who's driving the science

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

#AuthorAffiliationPapers
1Francisco José Roma PaumgarttenFundação Oswaldo Cruz4
2Márcia SarpaFundação Oswaldo Cruz3
3Isabella Fernandes DelgadoFundação Oswaldo Cruz3
4Fabiane Goldschmidt AntesBrazilian Agricultural Research Corporation2
5Valderi L. DresslerUniversidade Federal de Santa Maria2
6Bernardo BaldisserottoUniversidade Federal de Santa Maria2
7J. R. StandishUniversity of Georgia2
8Alexssandro Geferson BeckerUniversidade Federal de Santa Maria2
9Bárbara ClasenUniversidade Federal de Santa Maria2
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.

See Cypris in action

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, Fentin hydroxide, and triphenylstannylium hydroxide.

Which companies hold the most patents related to triphenyltin oxide?

The leading patent assignees are Bayer AG with 4,106 patents, Sinochem Holdings Corp Ltd with 3,516 patents, and BASF SE with 3,157 patents. Other significant holders include Corteva Inc, Nippon Soda Co Ltd, and C.H. Boehringer Sohn AG and Co KG.

What is the patent trend for triphenyltin oxide in recent years?

Patent filings have shown a declining trend, with 1,271 patents in 2016 declining to 428 in 2025 and 59 in 2026. Over the last 3 years, 1,428 patents have been filed. The overall database contains 25,422 total patents related to this compound.

What research topics dominate the scientific literature on triphenyltin oxide?

The research focuses primarily on toxicology and environmental impacts. Key papers address Environmental Toxicology and Ecotoxicology, Pesticide Exposure and Toxicity, and Immunotoxicology. Notable papers include work on comparative toxicity to Biomphalaria glabrata embryos, effects on the rat immune system, and differential sensitivity of algal and cyanobacterial species to organotins.

Which research institutions have published on triphenyltin oxide?

Research has been conducted by institutions including Fundação Oswaldo Cruz, Universidade Federal de Santa Maria, Brazilian Agricultural Research Corporation, and University of Georgia. Notable authors include Francisco José Roma Paumgartten and Márcia Sarpa from Fundação Oswaldo Cruz, and Valderi L. Dressler and Bernardo Baldisserotto from Universidade Federal de Santa Maria.

Turn any compound into a complete chemical intelligence landscape

Go beyond static compound data. Cypris resolves identities, patents, papers, and commercial signals into one AI-powered view - so your team can move from a single chemical question to a complete R&D, IP, and market landscape.

Schedule a free trial