| Patent application number | Description | Published |
|---|
| 20110030736 | PROCESS FOR CLEANING ARTICLES - A method of cleaning at least one article having a surface to be cleaned, the method comprising the steps of inserting the article into a cleaning chamber ( | 02-10-2011 |
| 20110088722 | CLEANING COMPOSITIONS FOR USE IN CLOSED LOOP CLEANING MACHINES - Embodiments of the present disclosure include cleaning processes, closed loop cleaning machines, and methods of cleaning an article. The cleaning process includes contacting a surface of an article with a cleaning composition in a cleaning chamber, where the cleaning composition includes at least about 85 percent by weight organic solvents, based on total weight of the cleaning composition, and where at least about 5 percent by weight of the organic solvents is propylene glycol, based on total weight of the organic solvents, to clean the surface of the article, collecting the cleaning composition including contaminants, and recovering the cleaning composition via distillation, where a distillation apparatus removes the contaminants from the cleaning composition and is connected to the cleaning chamber by a process stream. | 04-21-2011 |
| 20110100398 | ACID REMOVAL IN CLEANING PROCESSES - Embodiments of the present disclosure include cleaning processes, cleaning machines, and methods of preventing acidification of a cleaning composition in a cleaning process. The cleaning process includes contacting an article having contaminants with a cleaning composition to remove the contaminants from the article, where the cleaning composition comes to have acidic components as a result of contacting the article with the cleaning composition, and where at least 85 percent by weight, based on a total weight of the cleaning composition, of the cleaning composition is an organic solvent, collecting the cleaning composition with the contaminants and the acidic components, separating the contaminants from the cleaning composition ( | 05-05-2011 |
