Morris E. Lewellyn
20Patents
9h-index
13Co-inventors
72Inventor score
Filing activity: Jul 20, 1977 → Jul 29, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4210531A | Process for dewatering mineral concentrates | Chemistry; Metallurgy | 29 | Expired |
| US4207186A | Process for dewatering mineral concentrates | Chemistry; Metallurgy | 20 | Expired |
| US4902751A | Preparation of modified acrylamide polymers | Chemistry; Metallurgy | 17 | Expired |
| US4153549A | Sodium dialkyl sulfosuccinates as dewatering aids in the filtration of mineral concentrates | Performing Operations; Transporting | 16 | Expired |
| US5516435A | Blends of hydroxamated polymer emulsions with polyacrylate emulsions | Chemistry; Metallurgy | 16 | Expired |
| US4097390A | Composition for mineral concentrate dewatering during filtration | Performing Operations; Transporting | 14 | Expired |
| US4206063A | Dewatering aid composition | Performing Operations; Transporting | 12 | Expired |
| US4196092A | Conditioning agent for froth flotation of fine coal | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4231868A | Process for dewatering mineral and coal concentrates | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4360615A | Addition agent composition | Chemistry; Metallurgy | 8 | Expired |
| US4199065A | Process for recovery of fine coal | Performing Operations; Transporting | 7 | Expired |
| US5539046A | Blends of hydroxamated polymer emulsions with polyacrylate emulsions | Chemistry; Metallurgy | 7 | Expired |
| US6642351B1 | Dispersal of polyacrylamides | Chemistry; Metallurgy | 7 | Expired |
| US4778921A | Novel process of alkoxy and aryloxy isothiocyanate preparation | Chemistry; Metallurgy | 6 | Expired |
| US4482500A | Process for the preparation of N-allyl-O-alkyl thionocarbamates | Chemistry; Metallurgy | 6 | Expired |
| US8216534B2 | Water-in-oil-in-water emulsions of hydroxamated polymers and methods for using the same | Emerging Cross-Sectional Technologies | 3 | Active |
| US5847056A | Method of making polymers containing hydroxamate functional groups | Chemistry; Metallurgy | 3 | Expired |
| US4456560A | Process for the preparation of N-allyl-O-alkyl thionocarbamates | Chemistry; Metallurgy | 1 | Expired |
| US8703088B2 | Process for removing hydrazine from hydroxlyamine solutions | Chemistry; Metallurgy | 0 | Active |
| US8685256B2 | Microdispersions of hydroxamated polymers and methods of making and using them | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.