It is reported that on August 13, 2014, the People's Republic of China state intellectual property office granted late winter chemical co., LTD in Anhui D301 macroporous weak base styrene series anion exchange resin preparation method of the invention patent.It is the company following the April 10, 2013 for a large specific surface area of adsorption resin after preparation of patents obtained a patent, the other the company 201 x 4 weak alkaline styrene type anion exchange resin preparation method of the invention patent authorization is in rush.The move shows another significant technological achievement in the patent application process.It laid a good foundation for the company's rapid development..jpg)
