Hans Andree
15Patents
9h-index
43Co-inventors
68Inventor score
Filing activity: Dec 18, 1973 → Jul 7, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4919845A | Phosphate-free detergent having a reduced tendency towards incrustation | Chemistry; Metallurgy | 36 | Expired |
| US4820436A | Detergents for low laundering temperatures | Chemistry; Metallurgy | 30 | Expired |
| US4634544A | Detergent composition for colored fabrics | Chemistry; Metallurgy | 24 | Expired |
| US4675124A | Granular detergent of improved detergency containing 2 ethoxylated alcohols, an ethoxylated amine and an anionic | Chemistry; Metallurgy | 23 | Expired |
| US4171278A | Surface-active compound combination containing hydroxyalkylamines | Chemistry; Metallurgy | 22 | Expired |
| US4756849A | Detergents containing additives for preventing the transfer of dyes and brighteners | Chemistry; Metallurgy | 21 | Expired |
| US4717507A | Liquid detergent with fabric softening properties | Chemistry; Metallurgy | 19 | Expired |
| US3966968A | N,N'-disubstituted thioureas, their process of production and use as antimicrobial agents | Chemistry; Metallurgy | 10 | Expired |
| US4264480A | Stable aqueous suspension of water-insoluble, calcium-binding aluminosilicates and organic suspending agents | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4289642A | Detergent composition having a sizing effect comprising nonionic and/or zwitterionic tensides and polysaccharide amino esters | Textiles; Paper | 9 | Expired |
| US4150024A | Reaction products of epsilon-caprolactam with vicinal hydroxyalkylamines and alkoxylation products thereof | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4179393A | Stable aqueous suspension of water-insoluble, calcium-binding aluminosilicates and organic suspending agents | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4169074A | Compositions for cold water washing containing N-substituted .omega.-hydroxyalkane carboxylic acid amides | Chemistry; Metallurgy | 7 | Expired |
| US3987189A | Anti-inflammatory composition and method containing cyclic 2-furfural-acetals | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4417895A | Treatment of textiles with antimicrobial agents | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.