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Recent Survey on Patents of Nanoemulsions

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Background: Colloidal systems are most prominent delivery systems mainly used as vehicles for the transportation, targeting the various types of biomolecules, proteins, peptides, synthetic medicinal agents.

Objective: To provide concise information on patents that are directly or indirectly related to the nanoemulsions.

Methods: The ample of research work going on with such system, in which small insoluble particle/droplets are dispersed within the immiscible secondary liquid referred to as continuous phase, is enormous. A highly praised colloidal system is nanoemulsion which possesses ‘nano’ sized droplets of one phase dispersed within second continuous phase.

Results: The characteristic features of nanoemulsion are their optical clarity, clear or bluish tint appearance and small globule size (20-200 nm) which makes them insensitive to gravitational instability, dilution and temperature. Above of all, achieving said properties using lower surfactant concentration and by supplying external energy differentiate them from microemulsion, which uses higher amount of surfactant thereby making them toxic for human body. Due to such variable advantages, researchers are engaged in going for the protecting their ideas in nanoemulsions by filling various patents.

Conclusion: Patents in this review, covers various areas (types of drug delivery and applications) where nanoemulsion are used. Literature revealed that filing of patents on nanoemulsion increased tremendously during last 5 years and will increase in upcoming time as 21st century will be called as the century of nanomedicine.
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Keywords: Nanoemulsion; Patent; Submicron emulsions

Document Type: Research Article

Publication date: September 1, 2016

More about this publication?
  • The aim of Current Drug Delivery is to publish peer-reviewed articles, short communications, short and in-depth reviews in the rapidly developing field of drug delivery. Modern drug research aims to build in delivery properties of a drug at the design phase, however in many cases this ideal cannot be met and the development of delivery systems becomes as important as the development as the drugs themselves.

    The journal aims to cover the latest outstanding developments in drug and vaccine delivery employing physical, physico-chemical and chemical methods. The drugs include a wide range of bioactive compounds from simple pharmaceuticals to peptides, proteins, nucleotides, nucleosides and sugars. The journal will also report progress in the fields of transport routes and mechanisms including efflux proteins and multi-drug resistance.

    The journal is essential for all pharmaceutical scientists involved in drug design, development and delivery.
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