LI Guijia 1, LI Xueyi 2, LIU Guanghai 3
(1. Material Engineering Invention Examination Department, State Intellectual Property Office of the People's Republic of China, Beijing 102206, China; 2. Beijing Guozhi Patent Warning Consulting Co., Ltd., Beijing 100160, China; 3. SDIC Ceramic Matrix Composites Research Institute (Xi'an) Co., Ltd., Xi'an 710118, Shaanxi, China)
Abstract: This paper is aimed to introduce the characteristics and development process of ceramic matrix composites and features of PPH patent and analyze the relevant patent application situation of SAFRAN Group, a global leading technology manufacturer, as well as all PPH patent application technologies in China, in order to promote the technological progress of ceramic matrix composites in China.
Key words: ceramic matrix composites; PPH; patent; SAFRAN