Paritosh M. Chakrabarti
43Patents
15h-index
30Co-inventors
77Inventor score
Filing activity: Sep 3, 1974 → Dec 4, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4223009A | Hair preparation containing vinyl pyrrolidone copolymer | Emerging Cross-Sectional Technologies | 179 | Expired |
| US4165367A | Hair preparations containing vinyl pyrrolidone copolymer | Emerging Cross-Sectional Technologies | 171 | Expired |
| US5296627A | Ethylenically unsaturated poly(alkyleneoxy) surfactants | Chemistry; Metallurgy | 52 | Expired |
| US4203858A | Phosphate-free machine dishwashing composition | Chemistry; Metallurgy | 41 | Expired |
| US5162475A | Polymerizable surfactant | Chemistry; Metallurgy | 37 | Expired |
| US5035886A | Active agent delivery device | Chemistry; Metallurgy | 30 | Expired |
| US4959208A | Active agent delivery device | Chemistry; Metallurgy | 29 | Expired |
| US4178203A | Method of increasing the strength of wet glass fiber mats made by the wet-laid process | Chemistry; Metallurgy | 24 | Expired |
| US3976586A | Monoesters derived from ethoxylated higher alcohols and thiodisuccinic acid as detergent builders | Chemistry; Metallurgy | 22 | Expired |
| US4179331A | Glass fiber dispersions for making uniform glass fiber mats by the wet-laid process | Chemistry; Metallurgy | 21 | Expired |
| US4121009A | Anti-static fabric softening compositions and processes for drying and softening textiles therewith | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4178204A | Wet-strength of wet glass fiber mats by treatment with anionic polyelectrolytes | Textiles; Paper | 17 | Expired |
| US4283321A | Alkyl aryl ethyleneoxy sulfonate surfactants for vinyl acetate polymerization | Chemistry; Metallurgy | 17 | Expired |
| US4137190A | Detergent composition comprising synergistic hydrotrope mixture of two classes of organic phosphate esters | Chemistry; Metallurgy | 16 | Expired |
| US4178206A | Method of forming glass fiber dispersions with cationic quaternary ammonium surfactants having at least two long chain groups | Chemistry; Metallurgy | 15 | Expired |
| US4714113A | Alkaline water flooding with a precipitation inhibitor for enhanced oil recovery | Chemistry; Metallurgy | 14 | Expired |
| US4177154A | Synthetic aqueous based metal working fluid compositions | Chemistry; Metallurgy | 11 | Expired |
| US4329268A | Polyethyleneoxy sulfonate surfactants | Chemistry; Metallurgy | 11 | Expired |
| US4233229A | Preparation of salt-free N-acyl taurines | Chemistry; Metallurgy | 11 | Expired |
| US4259474A | Sulfur-containing polyoxyalkylenes | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4410726A | Vinylation reaction | Performing Operations; Transporting | 9 | Expired |
| US5109037A | Surface-moldified ammonium polyphosphate | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5098939A | Antistatic composition | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4549007A | Diamine/diol chain extender blends for rim process | Chemistry; Metallurgy | 7 | Expired |
| US4255561A | Sulfide polymers of polyoxyalkylenes | Emerging Cross-Sectional Technologies | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.