Inventor · Therwil, CH

Pascal Hayoz

62Patents
10h-index
99Co-inventors
81Inventor score

Filing activity: Sep 28, 1995 → Oct 22, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7311897B2 Symmetrical triazine derivatives Human Necessities 31 Active
US7687554B2 Water based concentrated product forms of light stabilizers made by a heterophase polymerization technique Chemistry; Metallurgy 30 Expired
US5538840A Photographic recording material containing a UV absorber Chemistry; Metallurgy 28 Expired
US6255483A Biphenyl-substituted triazines Chemistry; Metallurgy 22 Expired
US6060543A Stabilizer combination Physics 21 Expired
US6225384A Stabilized adhesive compositions containing highly soluble, high extinction, photostable hydroxyphenyl-s-trianzine UV absorbers and laminated articles derived therefrom Performing Operations; Transporting 16 Expired
US6242598A Methods for the preparation of tris-aryl-o-hydroxyphenyl-s-triazines Chemistry; Metallurgy 14 Expired
US5672704A 2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsaturated moieties Chemistry; Metallurgy 12 Expired
US5869588A Polymeric compounds derived from 2-hydroxy-phenyl-s-triazines substituted with ethylenically unsaturated moieties Chemistry; Metallurgy 12 Expired
US8629238B2 Diketopyrrolopyrrole polymers for use in organic semiconductor devices Emerging Cross-Sectional Technologies 11 Active
US5668200A Stabilizer combination Chemistry; Metallurgy 10 Expired
US6013704A Hydroxyphenyltriazines Chemistry; Metallurgy 10 Expired
US8404864B2 Pyrrolopyrrole derivatives, their manufacture and use Emerging Cross-Sectional Technologies 7 Active
US8796469B2 Diketopyrrolopyrrole polymers for use in organic semiconductor devices Emerging Cross-Sectional Technologies 6 Active
US8912305B2 Diketopyrrolopyrrole polymers for use in organic field effect transistors Electricity 6 Active
US6369267B1 Polyoxyalkylene substituted and bridged triazine, benzotriazole and benzophenone derivatives as UV absorbers Emerging Cross-Sectional Technologies 6 Expired
US5998116A Color-photographic recording material Emerging Cross-Sectional Technologies 5 Expired
US9240551B2 Polymers based on benzodiones Emerging Cross-Sectional Technologies 5 Active
US8652752B2 Sulphonium salt initiators Chemistry; Metallurgy 4 Active
US8414982B2 Process for the production of strongly adherent coatings Performing Operations; Transporting 4 Expired
US8512934B2 Sulphonium salt initiators Emerging Cross-Sectional Technologies 4 Active
US6653484B2 Polyoxyalkylene substituted and bridged benzotriazole derivatives Emerging Cross-Sectional Technologies 3 Expired
US6468958B2 Biphenyl-substituted triazines Chemistry; Metallurgy 3 Expired
US8835579B2 Process for polymerising (hetero)aromatic compounds Emerging Cross-Sectional Technologies 3 Active
US8975359B2 Diketopyrrolopyrrole polymers for use in organic semiconductor devices Emerging Cross-Sectional Technologies 2 Active

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