Inventor · Forbach, FR

Raymond Hess

4Patents
4h-index
4Co-inventors
39Inventor score

Filing activity: Jun 20, 1986 → May 14, 1992

Most-cited inventions

PatentTitleAreaCited byStatus
US4774378A Process for production of styrene Chemistry; Metallurgy 17 Expired
US4745214A Process for the preparation of an aqueous solution of unsaturated quaternary ammonium salts Chemistry; Metallurgy 8 Expired
US5207874A Process for the purification of glycidyl (meth)acrylate Emerging Cross-Sectional Technologies 7 Expired
US5260480A Quaternization process Chemistry; Metallurgy 7 Expired

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