Ezaki Glico has filed a patent for a method to produce a gardenia blue pigment with high brightness and low redness. The process involves using genipin and specific amino acids in a polymerization reaction, followed by oxidation, ultrafiltration, and spray-drying to obtain the pigment. GlobalData’s report on Ezaki Glico 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 Ezaki Glico, Nanoemulsion cosmetics was a key innovation area identified from patents. Ezaki Glico's grant share as of January 2024 was 12%. Grant share is based on the ratio of number of grants to total number of patents.
A patent application (Publication Number: US20240034884A1) discloses a method for preparing a gardenia blue pigment with high brightness and low redness. The method involves weighing genipin liquid and an amino acid at a specific molar ratio for a polymerization reaction to obtain a gardenia blue precursor. This precursor is then oxidized to develop color, with the color value and hue monitored until they stabilize. The resulting gardenia blue is then ultrafiltrated to remove impurities, concentrated, and dried to obtain the desired pigment with high brightness and low redness.
Furthermore, the method specifies the color value of genipin, the amino acids that can be used, the conditions for the polymerization reaction, and the oxidants that can be employed. The process also includes specific steps for monitoring the color value and hue during oxidation. The resulting gardenia blue pigment is characterized by specific L*, a*, and b* values, ensuring the desired brightness and low redness. Overall, this patent application provides a detailed and systematic approach to producing a gardenia blue pigment with specific color characteristics, offering potential applications in various industries requiring vibrant and stable blue pigments.
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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.
