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leucite

aluminum;potassium;bis(dioxido(oxo)silane) · also: Sommaite, Amphigene, Potassium aluminum silicate, Aluminum potassium disilicate, Potassium aluminum disilicate, Aluminium potassium disilicate

FormulaAlKO6Si2
Mol. weight218.2438
PubChem CID123904
InChIKeySXQXMCWCWVCFPC-UHFFFAOYSA-N
SMILES[O-][Si](=O)[O-].[O-][Si](=O)[O-].[Al+3].[K+]
6,715Patents
344Research papers
899Patents - last 3 years
19Papers - last 3 years

Who owns the IP

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

#AssigneePatents
1Sika Technology AG481
2Henkel AG and Co KGaA177
3Novartis Corp147
4Hewlett Packard Development Co LP145
5BASF SE120
6BASF Personal Care and Nutrition GmbH77
7Novartis AG76
8Symrise AG69
93M Innovative Properties Co52
10Capsugel Belgium NV51

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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
1C08LPolymer compositions (blends)1,227
2C09DCoatings, paints, varnishes1,154
3C08KPolymer compositions (additives)1,112
4C08GPolymers from non-vinyl bonds (e.g. polyamides, polyesters)897
5A61KMedicinal preparations880
6B29CShaping of plastics586
7A01NPreservation of bodies; biocides; pest repellents501
8Y10TCross-reference (technical subjects)426
9A61PTherapeutic activity (drug indications)406
10C09JAdhesives405

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
Machinable leucite-containing porcelain compositions and methods of manufacture2000Ardent Life Inc25
Low fusing dental porcelains containing fine-grained leucite2000Ardent Life Inc25
Leucite-containing porcelains and method of making same1978THE J. M. NEY COMPANY22
High density leucite and/or pollucite based ceramics from zeolite1993Honeywell UOP LLC14
Low fusing dental porcelains containing tetragonal rubidium-leucite2000Jeneric Pentron Inc13

Where research is gaining momentum

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

#Research topicPapers
1Dental materials and restorations5
2Anatomy and Medical Technology1
3Bone Tissue Engineering Materials1
4Photopolymerization techniques and applications1
5Tunneling and Rock Mechanics1

Who's driving the science

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

#AuthorAffiliationPapers
1Humberto Naoyuki YoshimuraInstituto de Pesquisas Tecnológicas10
2Marco Antônıo BottınoUniversidade Estadual Paulista (Unesp)9
3J.R. MackertAugusta University8
4Luiz Felipe ValandroUniversidade Federal de Santa Maria8
5Paulo Francısco CesarUniversidade de São Paulo8
6Boonlert KukiattrakoonPrince of Songkla University7
7Chanothai HengtrakoolPrince of Songkla University6
8Isabelle DenryThe Ohio State University6
9A L WilliamsAugusta University5
10Carla Castiglia GonzagaUniversidade de São Paulo5

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 leucite?

Leucite has the molecular formula AlKO6Si2 with a molecular weight of 218.2438. It is also known by the systematic name aluminum;potassium;bis(dioxido(oxo)silane) and carries the InChI Key SXQXKWCWWVCFPC-UHFFFAOYSA-N. Common alternative names include Potassium aluminum silicate, Aluminum potassium disilicate, and Potassium aluminum disilicate.

Which companies hold the most patents involving leucite?

The leading patent assignees for leucite are Sika Technology AG with 481 patents, Henkel AG and Co KGaA with 177 patents, and Novartis Corp with 147 patents. Other significant patent holders include Hewlett Packard Development Co LP (145 patents) and BASF SE (120 patents).

What is the primary research focus for leucite in academic literature?

The dominant research topic associated with leucite is Dental materials and restorations, which accounts for 5 of the papers in the dataset. Historical and recent studies in this area have examined ceramic materials in dentistry, marginal adaptation of ceramic crowns, fatigue resistance of ceramic systems, and optical properties of CAD–CAM ceramic systems.

What are the key patent classifications for leucite-related inventions?

The most common CPC subclasses associated with leucite patents are C08L (1227 patents), C09D (1154 patents), and C08K (1112 patents), followed by C08G (897 patents) and A61K (880 patents). These classifications suggest leucite is primarily used in polymeric compositions, coating formulations, and pharmaceuticals.

How has patent activity for leucite changed in recent years?

Patent filings for leucite have grown substantially in recent years, increasing from 211 patents in 2016 to a peak of 421 patents in 2022. The trend remained elevated in 2023 and 2024 with 415 and 412 patents respectively. Over the last 3 years (2022–2024), there have been 1248 patents, demonstrating sustained commercial interest in this compound.

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