Inventor · Andrésy, FR

Michel Hellin

7Patents
5h-index
12Co-inventors
52Inventor score

Filing activity: Jan 16, 1976 → Oct 29, 1981

Most-cited inventions

PatentTitleAreaCited byStatus
US4270929A Process for producing gasoline of high octane number, in particular lead-free gasoline Emerging Cross-Sectional Technologies 44 Expired
US4268701A Process for producing high octane gasoline and particularly lead-free gasoline Chemistry; Metallurgy 29 Expired
US4267393A Process for producing ethers by reacting olefins with alcohols Chemistry; Metallurgy 15 Expired
US4024203A Oligomerization of unsaturated hydrocarbons with acid catalysts Chemistry; Metallurgy 11 Expired
US4395580A Process for producing an olefin by decomposition of the corresponding ether Chemistry; Metallurgy 11 Expired
US4268700A Process for producing gasoline of high octane number and particularly lead free gasoline, from olefininc C.sub.3 -C.sub.4 cuts Emerging Cross-Sectional Technologies 3 Expired
US4310710A Process for manufacturing and recovering methyl tert.butyl ether Emerging Cross-Sectional Technologies 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.