Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 4083772 | Aromatic hydrocarbon separation process A solvent extraction process for separating polar hydrocarbons from non-polar hydrocarbons. The solvent-rich extract phase is introduced into a stripping column through two separated loci; the bottoms from the stripping column, a polar hydrocarbon-contain... | 04/11/1978 |
| 3950448 | Detergent-grade alkylate production Detergent-grade alkylate is produced by the HF-acid catalyzed reaction of aromatic hydrocarbons and an olefinic hydrocarbon. The process utilizes a unique fractionation facility for the recovery and use of an aromatic concentrate, and ultimate recovery of... | 04/13/1976 |
