The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 18, 2003
Filed:
Dec. 21, 2001
Steven D. Possanza, Penfield, NY (US);
Angela H. Jones, Rochester, NY (US);
Christoph H. Seeling, Kew, AU;
Eastman Kodak Company, Rochester, NY (US);
Abstract
A method is taught for removing bubbles from a coating solution prior to a coating operation. The method comprises debubbling the coating solution in a tank open to atmosphere to remove bubbles having a diameter in the range of from about 200 to 300 &mgr;m and greater therefrom; flowing the coating solution from the tank to a bubble elimination tube; debubbling the coating solution in the bubble elimination tube to remove bubbles from the coating solution having a diameter greater than about 200 &mgr;m, the bubble elimination tube preferably including at least one ultrasonic horn; flowing the coating solution from the bubble elimination tube through an end cap round ultrasonic bubble eliminator, the end cap round ultrasonic bubble eliminator removing remaining bubbles in the coating solution having a diameter greater than about 30 &mgr;m; and delivering the coating solution from the end cap round ultrasonic bubble eliminator to the downstream coating operation.