SGD has been granted a patent for a method and apparatus to treat glass-walled containers. The process involves spraying liquid droplets onto the glass surface to create a more transparent and uniform coating, enhancing the container’s appearance and functionality. GlobalData’s report on SGD 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 SGD, was a key innovation area identified from patents. SGD's grant share as of February 2024 was 77%. Grant share is based on the ratio of number of grants to total number of patents.

Treatment of glass-walled containers with improved transparency and uniformity

Source: United States Patent and Trademark Office (USPTO). Credit: SGD SA

A recently granted patent (Publication Number: US11912611B2) discloses a method for processing a container with a glass wall to improve transparency and uniformity. The method involves spraying droplets of a liquid onto the glass wall to form a second coating that includes a residual compound resulting from a surface treatment step of dealkalizing the glass. This second coating is more transparent and/or uniform than the initial coating on the glass wall.

The method includes various steps such as treating the inner face of the glass wall with a substance containing sulfur, spraying the liquid onto the glass wall at a specific temperature range, and using a solvent for the residual compound. Additionally, the method involves forced drying and optical inspection of the glass wall post-spraying. The patent claims cover aspects like the powdery nature of the residual compound, the composition of the compound (sodium sulfate), the size of droplets sprayed, and the type of solvent used (such as ultra-pure water). By detailing the specific steps and conditions involved in the process, the patent aims to protect the innovative method for enhancing the quality of glass containers through improved coatings and treatments.

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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.