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diethylmalonic acid

2,2-diethylpropanedioic acid · also: Diathylmalonsaure, Diethyl malonic acid, Malonic acid, diethyl-, 2,2-Diethylmalonicacid, 2,2-Diethylmalonic acid, diethylpropanedioic acid

FormulaC7H12O4
Mol. weight160.169
PubChem CID68185
InChIKeyLTMRRSWNXVJMBA-UHFFFAOYSA-N
SMILESCCC(CC)(C(=O)O)C(=O)O
9,510Patents
42Research papers
532Patents - 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
1Mondobiotech Laboratories AG598
2BASF SE224
3EIDP Inc217
4Kaneka Corp209
5BASF Coatings GmbH205
6Dow Global Technologies LLC155
7Merck Patent GmbH125
8Allnex Netherlands BV120
9Syensqo Specialty Polymers Italy SpA109
10General Electric Co104

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
1A61PTherapeutic activity (drug indications)2,966
2A61KMedicinal preparations2,888
3C07DHeterocyclic compounds2,126
4C08GPolymers from non-vinyl bonds (e.g. polyamides, polyesters)1,942
5C08LPolymer compositions (blends)1,577
6C09DCoatings, paints, varnishes1,310
7C07CAcyclic and carbocyclic compounds1,037
8C08KPolymer compositions (additives)997
9Y02AClimate change adaptation853
10C08FPolymers from C=C unsaturated bonds816

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
Esterification of diethyl-malonic acid1934Wacker Chemie AG3
Process for the preparation of diesters of diethylmalonic acid1934Wacker Chemie AG1
Manufacture of esters of diethyl-malonic acid1934Wacker Chemie AG1
DIETHYL-MALONIC ACID ESTERIFICATION1935DR. ALEXANDER WACKER GESELLSCHAFT FUR ELEKTROCHEMISCHE INDUSTRIE0
Process for the esterification of diethyl malonic acid with alcohols of the fatty series.1934DR. ALEXANDER WACKER GESELLSCHAFT FUER ELEKTROCHEMISCHE INDUSTRIE G. M. B. H.0

Where research is gaining momentum

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

#Research topicPapers
1Chemical Synthesis and Analysis1
2Energetic Materials and Combustion1
3Metal complexes synthesis and properties1
4Synthesis and Characterization of Heterocyclic Compounds1
5Synthesis of Indole Derivatives1

Who's driving the science

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

#AuthorAffiliationPapers
1Joon Hee HongChosun University3
2Arasambattu K. MohanakrishnanUniversity of Madras2
3Earle StellwagenUniversity of Iowa2
4M. N. PonnuswamyUniversity of Madras2
5M. ThenmozhiUniversity of Madras2
6Mohamed HassanNational Institute of Standards2
7Moon Woo ChunSeoul National University1
8Nancy C. StellwagenUniversity of Iowa2
9T. KavithaUniversity of Madras2
10V. DhayalanUniversity of Madras2

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 diethylmalonic acid?

Diethylmalonic acid has the molecular formula C7H12O4 with a molecular weight of 160.169. It is also known by the canonical name 2,2-diethylpropanedioic acid.

Which companies hold the most patents related to diethylmalonic acid?

The leading patent holders are Mondobiotech Laboratories AG with 598 patents, BASF SE with 224 patents, and EIDP Inc with 217 patents related to this compound.

What are the primary industrial applications indicated by patent classification?

Patents involving diethylmalonic acid are predominantly classified under pharmaceutical and medicinal chemistry (A61P with 2966 patents and A61K with 2888 patents), organic chemistry synthesis (C07D with 2126 patents), and polymer/coating technologies (C08G with 1942 patents and C09D with 1310 patents).

What was an early industrial use of diethylmalonic acid based on historical patents?

Early patents from 1934-1935 by Wacker Chemie AG describe the esterification of diethylmalonic acid and the preparation of diesters of diethylmalonic acid, indicating that ester formation was a key initial application of this compound.

What is the recent patent filing trend for diethylmalonic acid?

Patent filings in the last three years (2024-2025) total 532 patents. In 2024, there were 237 patents filed, declining to 168 in 2025 and 37 in 2026, suggesting a shift in filing activity or incomplete data for the most recent year.

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