Inventor · Ludwigshafen, DE

Rudiger Sens

41Patents
9h-index
69Co-inventors
78Inventor score

Filing activity: Aug 20, 1990 → Nov 20, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6332943A Method of ink-jet printing with pigment preparations having a dispersant Chemistry; Metallurgy 69 Expired
US6770331B1 Colorant preparations Chemistry; Metallurgy 55 Expired
US6294592A Pigment preparations with radiation curable binder suitable for ink jet printing method Performing Operations; Transporting 38 Expired
US6727318B1 Method for producing aqueous polymer dispersions containing colorants Chemistry; Metallurgy 34 Expired
US5079365A Triazolopyridine dyes and thermal transfer of methine dyes Emerging Cross-Sectional Technologies 27 Expired
US5783649A Polymerizable azo dyes with a thiophene structure Physics 14 Expired
US6152968A Water-soluble Quinacridones Emerging Cross-Sectional Technologies 10 Expired
US6924035B2 Method for producing polymer coated pigment particles by precipitation Emerging Cross-Sectional Technologies 10 Expired
US5789560A Azo dyes with a coupling component of the aminothiazole series Emerging Cross-Sectional Technologies 9 Expired
US5777089A Phenol derivatives, their preparation and their use, in particular in nonlinear optics Physics 7 Expired
US6811601B2 Pigment preparations comprising alkoxylated polyethylenimine Chemistry; Metallurgy 7 Expired
US6903197B2 Azoxy dyes and copper complexes thereof Chemistry; Metallurgy 6 Expired
US6933371B2 Bisazo dyestuffs based on hydroxynaphthalene carboxylic acid Emerging Cross-Sectional Technologies 6 Expired
US9087991B2 Photovoltaic element Emerging Cross-Sectional Technologies 6 Active
US5785719A Methine and Azo dye-containing dye mixtures Performing Operations; Transporting 6 Expired
US6123740A Dye preparations containing methine dyes Chemistry; Metallurgy 5 Expired
US5545235A Thermal transfer of pyridone dyes Performing Operations; Transporting 5 Expired
US9001029B2 Detector for optically detecting at least one object Emerging Cross-Sectional Technologies 5 Active
US6143898A Pyridone colorants Physics 4 Expired
US5700757A Triazolopyridine dyes and intermediates therefor Chemistry; Metallurgy 4 Expired
US6680355B1 Dispersant Physics 4 Expired
US6537331B1 Dye preparations containing azo dyes Textiles; Paper 4 Expired
US6221114A Colorant salts and their use in dyeing polymeric material Emerging Cross-Sectional Technologies 3 Expired
US5962691A Methine and azamethine dyes based on trifluoromethylpyridones Emerging Cross-Sectional Technologies 3 Expired
US5929245A Naphtholactam dyes Chemistry; Metallurgy 2 Expired

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