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Carbamoyliminourea

carbamoyliminourea · also: azodicarbonamid, (E)-azodicarbonamide, Diazene-1,2-dicarboxamide, AzodicarbonamideTechnical

FormulaC2H4N4O2
Mol. weight116.08
PubChem CID31269
InChIKeyXOZUGNYVDXMRKW-UHFFFAOYSA-N
SMILESC(=O)(N)N=NC(=O)N
63,607Patents
41Research papers
5,376Patents - 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
1Sekisui Chemical Co Ltd2,251
2Mitsui Chemicals Inc1,039
3Dow Global Technologies LLC958
4Sekisui Kasei Co Ltd866
53M Innovative Properties Co726
6Bridgestone Corp693
7Toray Industries Inc547
8Bayer AG465
9Gilead Sciences Inc453
10SABIC Global Technologies BV452

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Where innovation is concentrated

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

#CodeAreaPatents
1C08JWorking-up of plastics17,785
2C08LPolymer compositions (blends)14,667
3C08KPolymer compositions (additives)11,111
4B29CShaping of plastics8,872
5Y10TCross-reference (technical subjects)6,548
6B32BLayered products6,378
7C08GPolymers from non-vinyl bonds (e.g. polyamides, polyesters)4,379
8B29K4,225
9C08FPolymers from C=C unsaturated bonds4,198
10Y10SCross-reference (legacy)2,926

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
New blowing agent combination based on azodicarbonamide, production thereof and use thereof for foaming polymers1987Bayer AG48
Activated azodicarbonamide blowing agent compositions1967Olin Corp27
Azodicarbonamide containing gas generating composition1999Daicel Corp23
PROCESS FOR FOAMING POLYOLEFIN COMPOSITIONS USING A FLUORORESIN/AZODICARBONAMIDE MIXTURE AS A NUCLEATING AGENT2016Dow Global Technologies LLC16
Activated azodicarbonamide1967Olin Corp16

Where research is gaining momentum

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

#Research topicPapers
1Pancreatitis Pathology and Treatment1
2Sodium Intake and Health1

Who's driving the science

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

#AuthorAffiliationPapers
1Michel Vandevelde4
2Erik De ClercqRega Institute for Medical Research3
3Adam BecalskiHealth Canada2
4Benjamin P.‐Y. LauHealth Canada2
5Cybele C. Garcı́aUniversidad de Buenos Aires2
6David G. CovellScience Applications International Corporation (United States)2
7David LewisHealth Canada2
8Elsa B. DamonteUniversidad de Buenos Aires2
9GeunHyung KimKorea Institute of Machinery & Materials2
10Gregory O. NoonanUnited States Food and Drug Administration2

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 carbamoyliminourea?

Carbamoyliminourea has a molecular formula of C2H4N4O2 and a molecular weight of 116.08 g/mol.

What are the primary patent classifications associated with carbamoyliminourea technology?

The primary patent classifications are C08J (Macromolecular compounds, organic macromolecular compounds; their preparation or chemical working-up; products based thereon) with 17,785 patents, followed by C08L (Compositions of macromolecular compounds) with 14,667 patents, and C08K (Use of inorganic or non-macromolecular organic substances as compounding ingredients) with 11,111 patents.

Which organizations hold the most patents related to carbamoyliminourea?

Sekisui Chemical Co Ltd leads with 2,251 patents, followed by Mitsui Chemicals Inc with 1,039 patents, Dow Global Technologies LLC with 958 patents, Sekisui Kasei Co Ltd with 866 patents, and 3M Innovative Properties Co with 726 patents.

What is a key historical application of azodicarbonamide based on early patents?

A key historical application is as a blowing agent for foaming polymers. An early patent from Olin Corp in 1967 titled "Activated azodicarbonamide" demonstrates this use, and a 1987 patent from Bayer AG describes "New blowing agent combination based on azodicarbonamide, production thereof and use thereof for foaming polymers."

What is the known health or safety concern associated with azodicarbonamide?

Research has identified that semicarbazide is a thermal decomposition product of azodicarbonamide used in food jar gaskets. A 2004 study titled "Semicarbazide is a minor thermal decomposition product of azodicarbonamide used in the gaskets of certain food jars" documents this finding, and a 2007 paper describes enzyme immunoassay methods for detecting semicarbazide as a food contaminant.

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