Mixed patterns were seen on the forward cottonseed oilcake market on Tuesday in process of trading, dealers said. The December vaida that had closed at Rs 448.50 opened with a loss of 50 paisa at Rs 448.00 in process of trading, they said. The January contract ended inert at Rs 989.00 commenced with a gain of 30 paisa at Rs 898.30 in the early hours, they said.