Alexandria, Aug. 21 -- United States Patent for methods and systems for manufacturing lubrication oils has been issued to UOP LLC. This invention was developed by Pintar Daniel James, Roxas Pamela and Thakkar Vasant P. The patent application number is 14/104,770. The International Patent Classification codes are C10G 67/00 (2006..

Beijing, Aug. 19 -- China Petrochemcial Great Wall Energy Chemcial (Ningxia) has sought patent for novel processing method and device for producing polyvinyl alcohol powder. This invention was developed by Tang Yulin. The patent application number is CN20161191748 20161201. The patent publication number is CN106621550 (A). In..