Patents

question 199

Multiple Choice

Patents

• A) slow the flow of benefits from research and development to consumers.
• B) are granted for a period of 10 years in the United States.
• C) create monopolies and are thus efficient.
• D) All of the above are correct.

---

Definitions:

Optically Active

Refers to a substance that is capable of rotating the plane of polarized light, indicating the presence of chiral molecules.

Bicyclic Compounds

Organic compounds that contain two fused or connected rings in their molecular structure.

Diene

Organic compounds containing two double bonds, which may participate in a variety of chemical reactions, especially polymerization.

Dienophile

A chemical compound that acts as an electron-deficient partner in Diels-Alder reactions, typically containing double or triple bonds.