Fluorocarbon metalloid compounds of tetrafluoroethylene and sulfur, selenium or phosphorus and their preparation专利检索- 杂环化合物含有硒原子或碲原子作为仅有的杂环原子的环专利检索查询-专利查询网

Fluorocarbon metalloid compounds of tetrafluoroethylene and sulfur, selenium or phosphorus and their preparation
申请号	US67845157	申请日	1957-08-15	公开(公告)号	US2931803A	公开(公告)日	1960-04-05
申请人	DU PONT;			发明人	KRESPAN CARL G;
摘要
权利要求	9. A FLUOROCARBON METALLOIDAL HETEROCYCLIC COMPOUND OF THE FORMULA 11. A FLUOROCARBON SELENIUM HETEROCYCLIC COMPOUND OF THE FORMULA 12. A FLUOROCARBON PHOSPHORUS HETEROCYCLIC COMPOUND OF THE FORMULA
说明书全文