Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 6833445 | Guanidinylation, guanidinoglycosides, uses, and methods of assaying their activity Provided are reagents and methods useful for the synthesis of guanidinylated compounds. Also provided are methods for assaying molecules, including guanidinylated molecules that modulate viral infection and replication. ... | 12/21/2004 |
| 6525182 | Guanidinylation, guanidinoglycosides, uses, and methods of assaying their activity Provided are reagents and methods useful for the synthesis of guanidinylated compounds. Also provided are methods for assaying molecules, including guanidinylated molecules that modulate viral infection and replication.... | 02/25/2003 |
| 4531000 | Processes for the preparation of branched, water soluble cellulose products A process for preparing n-amino-n-deoxy cellulose where n is 2 or 3 and has the same value at each occurrence in one molecule. When n is 2 cellulose is selectively oxidized by (a) reacting it with triphenylmethyl chloride; then (b) reacting the product fr... | 07/23/1985 |
| 4473557 | 3"-Deoxystreptomycin production thereof and pharmaceutical compositions containing same A new semi-synthetic antibiotic, 3"-deoxystreptomycin is now provided, which is useful as an antibacterial agent and is produced from 3"-deoxydihydrostreptomycin by a process comprising oxidizing the 3'-hydroxymethyl group of 2,5,6,4",6"-penta-O-acet... | 09/25/1984 |
| 4469683 | 3"-Epistreptomycin and its dihydro derivative, pharmaceutical compositions and production of the same New semi-synthetic antibiotics, 3"-epistreptomycin and 3"-epidihydrostreptomycin are now provided, which are useful as antibacterial agents. 3"-Epidihydrostreptomycin is produced by a process comprising hydrolyzing an appropriately N,O-protected 2",3... | 09/04/1984 |
| 3986927 | Process for the purification and sterilization of acidophilic biologicals by extreme acidification at cold temperatures Methods of sterilizing biologicals in which the biologicals are acidified to a pH of not higher than about 1.0, preferably 0.75 to about 0.5, and the acidified biologicals are stored at cold temperatures for a perod of time sufficient to inactivate microb... | 10/19/1976 |
