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| Application No. | Application Title | Issue Date |
| 20090306436 | PREPARATION OF PURIFIED HYDROQUINONE AND FORMING OF SAME Purified hydroquinone is prepared and formed from raw compounds essentially containing hydroquinone associated with very small quantities of impurities including resorcinol and pyrogallol, and includes a distillation purification step in which the resorcinol and pyrogal... | 12/10/2009 |
| 20090259068 | REACTION SYSTEMS FOR MAKING N-(PHOSPHONOMETHYL) GLYCINE COMPOUNDS This invention generally relates to liquid phase oxidation processes for making N-(phosphonomethyl)glycine (also known in the agricultural chemical industry as glyphosate) and related compounds. This invention, for example, particularly relates to processes wherein an N... | 10/15/2009 |
| 20050279500 | Water treatment method for heavy oil production using calcium sulfate seed slurry evaporation A process for treating produced water to generate high pressure steam. Produced water from heavy oil recovery operations is treated by first removing oil and grease. Feedwater is then acidified and steam stripped to remove alkalinity and dissolved non-condensable gases.... | 12/22/2005 |
