William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7034028 | Treatment of inflammatory disorders A method of treating an inflammatory disease or an autoimmune disease in a subject, comprises the administration of mefloquine. ... | 04/25/2006 |
| 6488960 | Corticosteroid formulation The present invention pertains to a unit dose formulation comprising 0.25 to 2 mg of a corticosteroid. This small dose can be used to treat rheumatoid arthritis, especially if adapted to release at least 90% by weight of the corticosteroid, 2 to 8 hours a... | 12/03/2002 |