Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 5468744 | Composition comprising a tramadol material and any of codeine, oxycodone or hydrocodone and their use This invention relates to compositions comprising a tramadol material selected from the group consisting of tramadol, its stereoisomers and its pharmaceutically acceptable salts and either codeine or oxycodone, and their use in treating pain. When the com... | 11/21/1995 |
| 4844001 | Removable and rotatable coating pan spray arm assembly An improved coating pan apparatus and spray arm assembly are disclosed for providing facilitated maintenance and cleaning of sensitive spray nozzles. The spray arm assembly includes means for varying the spray length and spray angle from a position extern... | 07/04/1989 |
| 4798893 | Process for producing 1-(5-substituted-2-ethynylphenyl)-2-propanones A method for the synthesis of the 2-propanone (I) is described starting from alkoxide (II) through the lactone (IV). ##STR1## Excellent control of the location of the substitution on the phenyl ring is achieved and the reaction proceeds in high yield... | 01/17/1989 |
| 4772755 | 1,2-1,4 addition reaction sequence leading to disubstituted acelylenes A method for synthesizing a tri-substituted phenyl compound (I) by using a 1,2-addition followed by a 1,4-addition to 1,4-benzoquinone (II): ##STR1## wherein X is hydroxy, alkoxy or alkanoyloxy, Ar1 is an organic group and R is an unsubsti... | 09/20/1988 |
| 4758563 | 3-alkoxy-2-aminopropyamines, cardiovascular compositions and use Propylamines of the formula (I): ##STR1## and isomers thereof, particularly those enantiomers and racemates relative to the chiral carbon indicated by an asterisk (*). The propylamines can be used for the treatment of hypertension or angina in humans... | 07/19/1988 |
