Ultra Clean has filed a patent for a coating removal process that involves using a sealable vessel to heat a coating removal fluid to a temperature above its boiling point at ambient pressure. The fluid is then used to remove the coating from a component before being cooled and vented. The patent also includes a claim for a coating removal vessel with a pressure regulator to prevent boiling of the fluid. GlobalData’s report on Ultra Clean 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 Ultra Clean, was a key innovation area identified from patents. Ultra Clean's grant share as of September 2023 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Coating removal vessel with self-pressurizing cleaning fluid
A recently filed patent (Publication Number: US20230234106A1) describes a coating removal vessel and method for removing coatings from components. The vessel includes an outer body with a processing volume and an opening, a cover with a seal, a removable component holder, a heater, and a pressure regulator. When the component holder is located in the processing volume and the cover is sealed, a cleaning fluid in the vessel can be heated to a temperature above its boiling point in the surrounding ambient but self-pressurizes to prevent boiling. The vessel also includes a headspace, fluid lines, and a cooling element.
The method involves providing the coating removal vessel with a sealable processing volume, adding a coating removal fluid at an elevated temperature, placing the component with a coating in the vessel, sealing the volume, heating the fluid above its boiling point, removing the coating, reducing the fluid temperature, venting the volume, and removing the component. The method aims to remove the coating while minimizing material loss from the component.
The patent also describes a coating removal system that includes a containment vessel with a sealable door and one or more coating removal vessels. The system further includes a pressure vessel, a pump, and heaters. The method using the system involves providing the containment vessel and coating removal vessels, adding a coating removal liquid, placing the component in a vessel, closing the door, increasing the pressure and temperature of the fluid, and maintaining it in a liquid state.
Overall, the patent presents a coating removal vessel, method, and system that allow for efficient and controlled removal of coatings from components. The use of heating and pressure regulation prevents boiling of the cleaning fluid, reducing the risk of damage to the component. The system provides a convenient and scalable solution for coating removal in various applications.
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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.
