Melissa Applied for a Patent in May 2002,which Was Granted

question 32

Multiple Choice

Melissa applied for a patent in May 2002,which was granted the same month.The patent will expire in

• A)May 2017.
• B)May 2020.
• C)May 2022.
• D)May 2023.
• E)50 years after her death.

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Definitions:

Fischer Esterification

A chemical reaction process that forms an ester from an alcohol and a carboxylic acid in the presence of an acid catalyst.

Acetic Acid

A simple carboxylic acid known as the main component of vinegar, widely used in the food industry and chemical manufacturing.

Methanol

A simple alcohol with the formula CH3OH, used as a solvent, antifreeze, fuel, and as feedstock for chemical synthesis.

Reagent

A substance or compound added to a system to cause a chemical reaction or test for the presence of another substance.