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 |
| 6960345 | Oral vaccinia formulation This invention relates to methods and systems for generating a safe and effective oral smallpox vaccine for humans using a genetically defective strain of vaccinia virus to confer immunity following oral delivery of the vaccine. This invention is one that expands on... | 11/01/2005 |
| 6833435 | Compositions isolated from bovine tissues and methods for their use Isolated polynucleotides encoding histatin polypeptides expressed in bovine tissues, including mammary gland and paratoid salivary gland tissues, are provided, together with genetic constructs and host cells comprising such isolated polynucleotides. Methods for the ... | 12/21/2004 |
| 6541108 | Process for the preparation, preferably from waste materials, of silicate foam with closed pores, and the product produced by the process The process of the invention characterized in that to 100 parts by weight of a silicate powder having 2000-8000 m2 /g specific surface, 1-10 parts by weight of gas-forming material with particle size of 10-100 μm and 0.5-15 parts by weight of ... | 04/01/2003 |
| 6533829 | Additive for stabilizing water-containing fuels and a fuel stabilized with this additive The invention relates to an additive for stabilizing a water-containing liquid hydrocarbon fuel, which comprises an alcohol of 5-10 carbon atoms, 0.5-3 parts by weight, calculated for 1 part by weight of said alcohol, of a carboxylic amide of 5-10 carbon ... | 03/18/2003 |
| 6423669 | Composition for the treatment of friction pairs The present invention relates to the lubricant grease compositions, in particular to the compositions for the treatment of friction pairs, and can be used in the machine building for the treatment of friction units, and also during the exploitation of dif... | 07/23/2002 |
| 6060263 | Mammalian lysophosphatidic acid acyltransferase There is disclosed cDNA sequences and polypeptides having the enzyme lysophosphatidic acid acyltransferase (LPAAT) activity. LPAAT is also known as 1-acyl sn-glycerol-3-phosphate acyltransferase.... | 05/09/2000 |
| 5705813 | Integrated planar liquid handling system for maldi-TOF MS An integrated liquid sample handling system for matrix-assisted laser-desorption/ionization time-of-flight mass spectroscopy (MALDI-TF MS) is described. The integrated system comprises a miniaturized sample handling compartment containing a MALDI ionizati... | 01/06/1998 |