Inventor · Schwarzenburg, CH

Gerhard Rytz

16Patents
7h-index
24Co-inventors
62Inventor score

Filing activity: Jan 30, 1989 → Jan 2, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5597854A Latent light stabilizers Emerging Cross-Sectional Technologies 65 Expired
US5538840A Photographic recording material containing a UV absorber Chemistry; Metallurgy 28 Expired
US6184375A Hydroxyphenyl triazines Physics 14 Expired
US5869588A Polymeric compounds derived from 2-hydroxy-phenyl-s-triazines substituted with ethylenically unsaturated moieties Chemistry; Metallurgy 12 Expired
US5672704A 2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsaturated moieties Chemistry; Metallurgy 12 Expired
US5668200A Stabilizer combination Chemistry; Metallurgy 10 Expired
US6284821A Hydroxyphenyltriazines Physics 7 Expired
US5753729A Coating compositions stabilized against damage by light, heat, and oxygen Chemistry; Metallurgy 7 Expired
US6455442B1 Process for the preparation of UV protective coatings by plasma-enhanced deposition Emerging Cross-Sectional Technologies 7 Expired
US5059689A Tetramethylpiperidino-s-triazines Physics 5 Expired
US4942238A Unsaturated derivatives of 2,2,6,6-tetramethylpiperidine Chemistry; Metallurgy 4 Expired
US5804622A Monomeric N-piperidinylmelamines as stabilizers for chlorine-containing polymers Chemistry; Metallurgy 3 Expired
US5135986A Stabilized styrene copolymers containing elastomer particles Chemistry; Metallurgy 2 Expired
US6706215B1 Coating compositions stabilized against damage by light, heat and oxygen Chemistry; Metallurgy 1 Expired
US5288777A Process for the preparation of stabilized styrene copolymers containing elastomer particles Chemistry; Metallurgy 1 Expired
US5194465A Stabilized styrene copolymers containing elastomer particles modified with a hindered amine Chemistry; Metallurgy 0 Expired

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