Inventor · Wiesbaden, DE

Roland Stern

8Patents
5h-index
21Co-inventors
63Inventor score

Filing activity: Feb 24, 1992 → Jan 8, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5840217A Spiro compounds and their use as electroluminescence materials Electricity 178 Expired
US5856434A Use of polymers containing isolated chromophores as electroluminescence materials Electricity 27 Expired
US5728480A Poly(4,5,9,10-tetrahydropyrene-2,7-diyl) derivatives and their use as electroluminescence materials Emerging Cross-Sectional Technologies 10 Expired
US5712361A Conjugated polymers containing ANSA substructures and their use as electroluminescence materials Emerging Cross-Sectional Technologies 10 Expired
US5763539A Process for producing polymers of .alpha.,.omega.-unsaturated conjugated compounds Chemistry; Metallurgy 5 Expired
US5187769A Transparent thermoplastic molding composition, process for its preparation and its use Physics 3 Expired
US5239027A Transparent thermoplastic molding composition, process for its preparation and its use Physics 2 Expired
US11453729B2 Reversibly crosslinked cellulose ethers and process for the production thereof by selective oxidation of vicinal OH groups Chemistry; Metallurgy 0 Active

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