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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7037380 | Method for cleaning chamber of deposition apparatus for organic EL device production A compound such as Alq3 accumulated on the inner surface of a chamber at the time of organic EL device production and wasted is recovered and recycled, whereby the production cost is reduced. The inner surface of a chamber or the surface of components in ... | 05/02/2006 |
| 6589440 | Waterless urinal with liquid seal, liquid seal and method of using liquid seal A waterless urinal employs a sealing liquid comprising 4-chloro-3-methylphenol in an amount effective to act as a biocide and a compound selected from the group consisting of (1) branched aliphatic alcohols with C12 to C24 carbon chain ... | 07/08/2003 |
| 5968535 | Denaturant for ethanol The invention relates to a denaturant for ethanol, to ethanol comprising this denaturant and to cosmetic products comprising this denatured ethanol.... | 10/19/1999 |
| 4536188 | Alcohol compositions having luminous flames Aliphatic alcohol compositions that burn with a luminous flame. Lower aliphatic alcohols such as methanol, ethanol, and propanol burn with an essentially colorless flame. This is particularly hazardous when such alcohols are used as fuels for racing cars ... | 08/20/1985 |
| 4438046 | Quaternary ammonium salts The invention provides novel lignocaine benzyl benzoate hydrate which may be prepared by agitating a solution of lignocaine benzyl benzoate in water at a concentration of at least 5% w/w and at a temperature of 10° to 35° C. Anhydrous lignocaine benzyl ... | 03/20/1984 |
| 4319886 | Denaturants for ethyl alcohol This patent discloses a new class of denaturants for commercial ethyl alcohol, particularly for use in mixtures such as Gasohol. These denaturants are the lower alcoholic esters of monocyclic naphthenic acids and are particularly useful because they can b... | 03/16/1982 |
| 4296139 | Bittering agents A new chlorinated sucrose derivative, 2,6,1',6'-tetrachloro-2,6,1',6'-tetradeoxy-mannosucrose, is used as a bittering agent, e.g. to replace quinine sulphate, in ingestible compositions such as Indian tonic water, and in non-ingestible compositions.... | 10/20/1981 |
| 4269820 | Safeguarded toxic chemical compositions containing effective emesis-inducing S-triazolo-[1,5-]pyrimidine derivatives An emetic composition comprising a toxic chemical substance which is other than a herbicidal bipyridylium quaternary salt, which is not intended for oral ingestion but when so orally ingested passes into the blood through the stomach and digestive tract a... | 05/26/1981 |
| 4255527 | Novel blowing agent for polymeric foam process A process is disclosed for a polymeric foam such as a polyurethane foam prepared from a reaction mixture comprising an organic polyisocyanate compound and a compound having more than one active hydrogen, wherein the blowing agent comprises a mixture of et... | 03/10/1981 |
