Viavi Solutions has filed a patent for a new pigment that includes a metal core with dielectric layers, an inorganic layer, and an organic layer. The pigment can be used in colorant compositions. The patent also includes methods for making the pigment and colorant composition. GlobalData’s report on Viavi Solutions gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Viavi Solutions, Document anti-counterfeiting was a key innovation area identified from patents. Viavi Solutions's grant share as of September 2023 was 61%. Grant share is based on the ratio of number of grants to total number of patents.
A pigment with metal core, dielectric and organic layers
A recently filed patent (Publication Number: US20230312933A1) describes a new type of pigment that has potential applications in various industries. The pigment consists of a flake with a metal core, which is encapsulated by a first dielectric layer on one surface and a second dielectric layer on the other surface. The flake is further encapsulated by a first inorganic layer and an organic layer.
The first inorganic layer interfaces with the flake and can be made of silica. The organic layer, on the other hand, is a multilayer structure that includes alternating layers of different organic materials. These organic layers can include polyelectrolytes such as polyallylamine hydrochloride and polysodium 4-styrenesulfonate. Additionally, the organic layer can also include a colorant.
In some embodiments, a second inorganic layer is applied to encapsulate the flake, the first inorganic layer, and the organic layer. This second inorganic layer can be made of various inorganic materials such as oxides, nitrides, carbides, sulfides, and compounds thereof. It can also include a functional material, such as an organosilane.
The patent also describes a method of making the pigment. The process involves applying a first inorganic layer using a sol-gel process to encapsulate the flake, followed by applying an organic layer to encapsulate the flake and the first inorganic layer. In some embodiments, a second inorganic layer is applied after the organic layer.
The pigment's design includes multiple interfaces, which helps reduce the propagation of cracks and increases the diffusion path of corrosive molecules. This feature enhances the durability and stability of the pigment.
Overall, this patent presents a novel pigment with a unique structure and manufacturing process. The pigment's properties, such as its multilayer organic structure and the use of inorganic layers, offer potential advantages in terms of coloration, stability, and durability. The patent's claims cover various aspects of the pigment's composition and manufacturing process, making it a valuable intellectual property in the field.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
