Inventor · Praroman, CH

Alfred Steinmann

33Patents
7h-index
16Co-inventors
66Inventor score

Filing activity: Jan 8, 1987 → Oct 17, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US6262206A Polymerizable compositions containing alkoxyamine compounds derived from nitroso- or nitrone compounds Chemistry; Metallurgy 33 Expired
US5324804A Photoresist material based on polystyrenes Physics 29 Expired
US5457204A Tetraalkyl-4-(2,3-epoxypropoxy) piperidine compounds as stabilizers Chemistry; Metallurgy 18 Expired
US5541274A Polymeric adducts of hindered amine-epoxides as stabilizers Chemistry; Metallurgy 12 Expired
US4916247A Organometal-containing compounds Chemistry; Metallurgy 12 Expired
US5521282A Polyethers containing hindered amine side chains as stabilizers Chemistry; Metallurgy 8 Expired
US6028129A Increasing the molecular weight of polycondensates and stabilizing them, using diepoxides of sterically hindered amines Chemistry; Metallurgy 8 Expired
US5892037A Polymeric adducts of hindered amine-epoxides as stabilizers Chemistry; Metallurgy 7 Expired
US5962683A Oxazoline compounds as stabilizers Chemistry; Metallurgy 7 Expired
US5024916A Organometal-containing polymers and use thereof in a photosensitive composition with photoacid generators Emerging Cross-Sectional Technologies 6 Expired
US4734481A Novel organometallic polymers Physics 6 Expired
US5534618A Polyethers containing hindered amines which can be cleaved off as stabilizers Chemistry; Metallurgy 5 Expired
US6583245B1 Polymeric stabilizers having low polydispersity Chemistry; Metallurgy 5 Expired
US5356740A Radiation-sensitive compositions Chemistry; Metallurgy 4 Expired
US6001905A Polyalkylene glycol group-containing hindered amines Chemistry; Metallurgy 4 Expired
US6362278B1 Functionalized polymers Emerging Cross-Sectional Technologies 3 Expired
US4965316A Radiation sensitive polymers and use thereof Emerging Cross-Sectional Technologies 3 Expired
US5710240A Condensates of butyne-linked hindered amines Chemistry; Metallurgy 3 Expired
US4820829A Substituted o-phthalaldehydes Physics 2 Expired
US5665885A Adducts of hindered amine-epoxides as stabilizers Chemistry; Metallurgy 2 Expired
US5476751A Phenylacetates and their use in radiation sensitive compositions Physics 2 Expired
US6455706B2 Polymerizable compositions containing alkoxyamine compounds derived from nitroso- or nitrone compounds Chemistry; Metallurgy 2 Expired
US7300978B2 Functionalised polymers Emerging Cross-Sectional Technologies 1 Expired
US5616637A Polyethers containing hindered amine side chains as stabilizers Chemistry; Metallurgy 1 Expired
US5719257A Polyethers containing hindered amine side chains as stabilizers Chemistry; Metallurgy 1 Expired

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