Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 5034030 | Process of flue gas conditioning applied to fabric filtration A method of improving control of atmospheric emission of particulate matter from the emission stack of coal combustion facilities which employ baghouse particle controllers is disclosed. The method involves injecting upstream of the baghouse a small but c... | 07/23/1991 |
| 5032146 | Low-rank coal oil agglomeration A low-rank coal oil agglomeration process. High mineral content, a high ash content subbituminous coals are effectively agglomerated with a bridging oil which is partially water soluble and capable of entering the pore structure, and usually coal derived.... | 07/16/1991 |
| 4931073 | Process of flue gas conditioning applied to fabric filtration A method of improving control of atmospheric emission of particulate matter from the emission stack of coal combustion facilities which employ baghouse particle controllers is disclosed. The method involves injecting upstream of the baghouse a small but e... | 06/05/1990 |
