Reed; Diannne E. - US Patent Attorneys and Agents

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The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.

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Number of patents: 1
Last date: March 18, 2003

Number	Title	Issue Date
6534434	Chiral imidazolidinone-based catalyst composition and reaction system Acid addition salts of imidazolidinones are provided as catalysts for transforming a functional group within a first reactant by reaction with a second reactant. Exemplary first reactants are ଱,ଲ-unsaturated carbonyl compounds such as ଱,...	03/18/2003