Book a demo

Chemical intelligence powered by cypris.ai

cheetan

3-amino-4-hydroxybenzoic acid

FormulaC7H7NO3
Mol. weight153.137
PubChem CID65083
InChIKeyMRBKRZAPGUCWOS-UHFFFAOYSA-N
SMILESC1=CC(=C(C=C1C(=O)O)N)O
1,413Patents
23Research papers
125Patents - last 3 years
1Papers - last 3 years

Who owns the IP

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

#AssigneePatents
1Henkel AG and Co KGaA95
2Toyobo Co Ltd64
3Dow Chemical Co57
4Chevron Phillips Chemical Co LP34
5Novartis AG29
6Ajinomoto Co Inc27
7RJ Reynolds Tobacco Co27
8Cohbar Inc22
9Bayer AG21
10L'Oréal SA21

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
1A61KMedicinal preparations450
2C07DHeterocyclic compounds425
3A61PTherapeutic activity (drug indications)396
4C07CAcyclic and carbocyclic compounds240
5C12PFermentation, enzyme processes238
6C12NMicroorganisms, enzymes208
7C08GPolymers from non-vinyl bonds (e.g. polyamides, polyesters)197
8A61QCosmetics, personal care164
9G01NInvestigating / analysing materials94
10C12YEnzyme nomenclature (EC numbers)88

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

Where research is gaining momentum

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

#Research topicPapers
1Microbial Metabolic Engineering and Bioproduction1

Who's driving the science

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

#AuthorAffiliationPapers
1Yasuo OhnishiThe University of Tokyo9
2Sueharu HorinouchiThe University of Tokyo5
3Akihiko KondoKobe University3
4Chiaki OginoKobe University3
5Hideo KawaguchiKobe University3
6Hirokazu SuzukiThe University of Tokyo3
7Yohei KatsuyamaThe University of Tokyo3
8Yoshinori SugaiThe University of Tokyo3
9Akio NoguchiThe University of Tokyo2
10Heinz G. FlossUniversity of Washington2

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 chemical composition and molecular identity of cheetan?

Cheetan, also known as 3-amino-4-hydroxybenzoic acid, has the molecular formula C7H7NO3 with a molecular weight of 153.137. Its InChI Key is MRBKRZAPGUCWOS-UHFFFAOYSA-N.

Which organizations hold the most patents related to cheetan?

Henkel AG and Co KGaA leads with 95 patents, followed by Toyobo Co Ltd with 64 patents and Dow Chemical Co with 57 patents. Other significant patent holders include Chevron Phillips Chemical Co LP with 34 patents and Novartis AG with 29 patents.

What research areas are most represented in cheetan patent literature?

The most common patent classifications are A61K (pharmaceuticals) with 450 patents, C07D (heterocyclic compounds) with 425 patents, and A61P (therapeutic activity) with 396 patents. C07C (acyclic organic compounds) with 240 patents and C12P (biofermentation) with 238 patents are also heavily represented.

Who are the leading academic researchers publishing on cheetan?

Yasuo Ohnishi from The University of Tokyo has published the most papers on cheetan-related topics with 9 papers. Sueharu Horiuchi from The University of Tokyo has 5 papers, while Akihiko Kondo, Chiaki Ogino, and Hideo Kawaguchi from Kobe University have each contributed 3 papers.

What is the recent patent activity trend for cheetan?

Patent filings have shown growth in recent years, with 50 patents filed in 2022, 63 in 2023, and 57 in 2024, though activity declined to 30 in 2025. In the last three years, 128 patents have been filed. Academic publications remain minimal, with only 1 paper published in each of 2021, 2022, and 2023.

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