Process for preparing high-purity cyclopentadiene and its special equipment

Application Number: 00120769Application Date: 2000.07.13Publication Number: 1334262Publication Date: 2002.02.06Priority Information: International: C07C4/22;C07C13/15Applicant(s) Name: Chinese Petro-Chemical Co., LtdAddress: Inventor(s) Name: Hu Jingmin;Xu Hongfen;Tian BaoliangPatent Agency Code: 11218Patent Agent: wei qiangwenAbstract A process for preparing high-purity cyclopentadiene from raw bicyclopentadiene through preheating, ordinary-pressure depolymerizing at 200-300 deg.C in depolymerizing rectification tower, and rectification. Its advantages are high Read more

Preparation of cyclopentadiene tricarbonyl manganese

Application Number: 00122359Application Date: 2000.09.07Publication Number: 1284493Publication Date: 2001.02.21Priority Information: International: C07C45/62Applicant(s) Name: Lanzhou Inst. of Chemical Physics, Chinese Academy of SciencesAddress: Inventor(s) Name: Hu Bin;Yin Yuanqi;Zhang XiaohongPatent Agency Code: 62002Patent Agent: fang xiaojiaAbstract The present invention relates to one kind of leadless gasoline additive. Cyclopentadiene tricarbonyl manganese is synthesized by using cyclopentadiene, manganese salt Read more

Dialkylmethylene bridged fluorenyl cyclopentadiene rare-earth complex and its preparing process and application

Application Number: 00125203Application Date: 2000.09.15Publication Number: 1286256Publication Date: 2001.03.07Priority Information: International: C07C13/605;C07F5/00;C07F7/02Applicant(s) Name: Shanghai Inst of Organic Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Qian Changtao;Nie WanliPatent Agency Code: 31002Patent Agent: wu shenzhongAbstract A alkyl methylene bridged fluroenyl cyclopentadiene rare-earth complex has the chemical formula: {[X1]2R7(C5R1R2R3R4)(C13H6R5R6)}[MX2(L)n]m, where R1, R3 or R4=H or CH3, R2=H or Read more