Inventor · Cincinnati, OH, US

Robert Mermelstein

29Patents
17h-index
51Co-inventors
84Inventor score

Filing activity: May 30, 1974 → May 16, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5574179A Concentrated biodegradable quaternary ammonium fabric softener compositions and compouds containing intermediate iodine value unsaturated fatty acid chains Chemistry; Metallurgy 102 Expired
US4133779A Detergent composition containing semi-polar nonionic detergent and alkaline earth metal anionic detergent Chemistry; Metallurgy 88 Expired
US5968404A Uncomplexed cyclodextrin compositions for odor and wrinkle control Textiles; Paper 66 Expired
US6001343A Uncomplexed cyclodextrin compositions for odor and wrinkle control Textiles; Paper 65 Expired
US4915854A Ion-pair complex conditioning agent and compositions containing same Chemistry; Metallurgy 62 Expired
US5545350A Concentrated fabric softener compositions containing biodegradable fabric softeners Chemistry; Metallurgy 58 Expired
US4844821A Stable liquid laundry detergent/fabric conditioning composition Chemistry; Metallurgy 54 Expired
US5562849A Concentrated biodegradable quaternary ammonium fabric softener compositions and compounds containing intermediate iodine value unsaturated fatty acid chains Chemistry; Metallurgy 42 Expired
US5545340A Concentrated biodegradable quaternary ammonium fabric softener compositions and compounds containing intermediate iodine value unsaturated fatty acid chains Chemistry; Metallurgy 41 Expired
US5668094A Fabric softening bar compositions containing fabric softener and enduring perfume Chemistry; Metallurgy 35 Expired
US6656923B1 Uncomplexed cyclodextrin compositions for odor and wrinkle control Textiles; Paper 33 Expired
US5500137A Fabric softening bar compositions containing fabric softener and enduring perfume Chemistry; Metallurgy 32 Expired
US5510042A Fabric softening bar compositions containing fabric softener, nonionic phase mofifier and water Chemistry; Metallurgy 27 Expired
US5643865A Concentrated biodegradable quaternary ammonium fabric softener compositions containing quaternary ammonium compounds with short fatty acid alkyl chains Chemistry; Metallurgy 26 Expired
US6767507B1 Uncomplexed cyclodextrin compositions for odor control Human Necessities 24 Expired
US3969251A Developer mixture Physics 19 Expired
US6528013B1 Uncomplexed cyclodextrin compositions for odor and wrinkle control Textiles; Paper 17 Expired
US4844824A Stable heavy duty liquid detergent compositions which contain a softener and antistatic agent Chemistry; Metallurgy 16 Expired
US3942979A Imaging system Physics 16 Expired
US7341674B1 Fabric wrinkle control composition and method Textiles; Paper 15 Expired
US5019280A Ion-pair complex conditioning agent with benzene sulfonate/alkyl benzene sulfonate anionic component and compositions containing same Chemistry; Metallurgy 15 Expired
US4122024A Classified toner materials Physics 14 Expired
US4002776A Imaging process employing toner particles containing arylsulphonamide formaldehyde adduct Physics 11 Expired
US5767052A Stabilized liquid fabric softener compositions Chemistry; Metallurgy 10 Expired
US5104568A Granular detergent compositions built with 2,2'-oxodisuccinate and zeolite A, process to make same, and agglomerated detergency builder Chemistry; Metallurgy 10 Expired

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