Citing significant and continuing advances in raw material, energy and transportation costs, INX International Ink Co. has announced an increase in ink prices of 10-12 percent across all product lines, effective Sept.1. This move follows similar increases announced by other major manufacturers in recent weeks. “The magnitude of multiple cost increases continues to challenge our ability to absorb them,” said Rick Clendenning, INX president and CEO.   “We will continue to expand our renewabl...