Inventor · Hattersheim, DE

Frank-Peter Lang

18Patents
5h-index
23Co-inventors
66Inventor score

Filing activity: Dec 18, 1992 → Jun 26, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US7632793B2 Washing and cleaning agents containing acetals as organic solvents Chemistry; Metallurgy 30 Expired
US6255274A Use of comb polymers as soil release polymers Chemistry; Metallurgy 24 Expired
US6153723A Soil release oligoesters Chemistry; Metallurgy 19 Expired
US6514927B2 Detergent and cleaner containing soil release polymer and alkanesulfonate and/or &agr;-olefinsulfonate Chemistry; Metallurgy 14 Expired
US6051544A Granular secondary alkanesulfonate Chemistry; Metallurgy 8 Expired
US7585831B2 Liquid detergent comprising a dye fixing agent Chemistry; Metallurgy 5 Expired
US6270690A Storage stable bleach activator granules Chemistry; Metallurgy 4 Expired
US7091167B2 Laundry detergents and laundry treatment compositions comprising dye-transfer-inhibiting dye fixatives Chemistry; Metallurgy 3 Expired
US7790665B2 Highly concentrated, aqueous oligoester and polyester formulations Chemistry; Metallurgy 3 Active
US7811376B2 Aqueous, oligoester-based pigment preparations, their production and use Chemistry; Metallurgy 3 Active
US5492650A Microbicidal agent containing polymeric quaternary ammonium borate for preserving and disinfecting industrial products and industrial plants Human Necessities 2 Expired
US7541326B2 Liquid washing agent containing a color fixing agent Chemistry; Metallurgy 1 Expired
US8871703B2 Polyester concentrates having high stability in solution and having a greying-inhibiting effect Chemistry; Metallurgy 1 Active
US7648952B2 Liquid detergents comprising anionic, nonionic, and cationic surfactants Chemistry; Metallurgy 1 Expired
US9403731B2 Modified aminocarboxylates with improved storage stability and processability Chemistry; Metallurgy 0 Active
US6858570B2 Laundry detergents and laundry treatment compositions comprising one or more dye-transfer-inhibiting dye fixatives Chemistry; Metallurgy 0 Expired
US7541327B2 Liquid detergents containing colour fixing agents Chemistry; Metallurgy 0 Expired
US7544652B2 Liquid detergent comprising anionic surfactants and colour fixing agent Chemistry; Metallurgy 0 Expired

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