Marubeni has been granted a patent for an oily moisturizer composed of an esterified product of ditrimethylolpropane and one or more fatty acids. The moisturizer has a hydroxyl value of not more than 140 mgKOH/g and a specific mass ratio between fatty acid residues. The patent claim specifies the use of ditrimethylolpropane, capric acid, and caprylic acid in the moisturizer. GlobalData’s report on Marubeni 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 Marubeni, Fuel cell powered drones was a key innovation area identified from patents. Marubeni's grant share as of September 2023 was 34%. Grant share is based on the ratio of number of grants to total number of patents.

A recently granted patent (Publication Number: US11752077B2) discloses an oily moisturizer and its various applications in skincare products. The moisturizer is formulated using an esterified product of two components, ditrimethylolpropane (component A) and capric acid or a mixture of capric acid and caprylic acid (component B1). The hydroxyl value of the esterified product is less than 10 mgKOH/g, and in some embodiments, it is not more than 3 mgKOH/g.

The patent claims cover several aspects of the invention. Claim 1 describes the oily moisturizer, specifying the components used and the hydroxyl value of the esterified product. Claim 3 further specifies that the esterified product includes a tetraester of component A and component B1. Claim 4 mentions that component B1 can be a mixture of caprylic acid and capric acid.

The patent also discusses the use of the oily moisturizer in topical skin compositions. Claim 5 states that the moisturizer can be incorporated into a topical skin composition. Claim 6 expands on this, mentioning that the composition can be a cosmetic, face wash, full body cleanser, or topical pharmaceutical.

Furthermore, the patent covers methods of using the oily moisturizer. Claim 7 describes a moisture retention method for the skin, involving the application of a topical skin composition containing the oily moisturizer. Claim 8 extends this to any surface, stating that the moisturizer can be applied to retain moisture on various surfaces.

The patent also includes a method for producing the oily moisturizer. Claim 9 outlines the process, which involves mixing the esterified product of component A and component B1 with an additional component. This additional component can be a cosmetic component, cleanser component, or topical pharmaceutical component. Claim 10 specifies that the resulting oily moisturizer can be a moisturizing cosmetic, face wash, or full body cleanser.

Lastly, the patent mentions another topical skin composition that includes the oily moisturizer. Claim 11 states that the composition contains the moisturizer, and claim 12 reiterates that the composition can be a cosmetic, face wash, full body cleanser, or topical pharmaceutical.

In summary, the granted patent discloses an oily moisturizer formulated using specific components and their esterified product. The patent covers the moisturizer itself, its use in topical skin compositions, methods of moisture retention, methods of production, and additional topical skin compositions containing the moisturizer.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.