Quink

Quink (a portmanteau from 'quick' and 'ink') is a fountain pen ink developed by the Parker Pen Company. It was introduced in 1931 and has remained in production ever since.
In 1928, under the direction of Kenneth Parker, the Parker Pen Company set out to develop a new and improved fountain pen ink. Inferior inks had long been the main cause of clogged fountain pens, yet popular ink formulations had remained unchanged in decades. Research for the project was initially... plus