Dwight W. Chasar
23Patents
7h-index
4Co-inventors
62Inventor score
Filing activity: Nov 2, 1976 → Oct 2, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6891053B2 | Method of making oleochemical oil-based polyols | Chemistry; Metallurgy | 18 | Expired |
| US4236021A | Process for the manufacture of levulinic acid and esters | Chemistry; Metallurgy | 17 | Expired |
| US4529533A | Substituted 2-(2,6-di-t-butly-4-alkylphenoxy) 4H-1,3,2-benzodioxaphosphorins and compositions thereof | Chemistry; Metallurgy | 15 | Expired |
| US4522735A | Polyphosphoramidite oligomers and stabilizer compositions thereof | Chemistry; Metallurgy | 13 | Expired |
| US5554699A | Method of curing rubbers without forming nitrosamines | Chemistry; Metallurgy | 11 | Expired |
| US4584146A | Tetrakis(2,6-di-t-butyl-4-substituted phenyl)4,4'-bisphenyl diphosphites | Chemistry; Metallurgy | 8 | Expired |
| US4507416A | 2,4,6-Tris(substituted phenoxy)-1,3,5,2,4,6-trioxatriphosphorinanes as stabilizers | Chemistry; Metallurgy | 7 | Expired |
| US5070130A | Alkaline earth oxides and hydroxides to reduce nitrosamine formation from vulcanization accelerators | Chemistry; Metallurgy | 6 | Expired |
| US4434265A | Metacyclophane, synthesis thereof, and compositions stabilized thereby | Chemistry; Metallurgy | 6 | Expired |
| US4439564A | 5-Membered cyclic phosphonates and compositions thereof | Chemistry; Metallurgy | 5 | Expired |
| US4415686A | Sterically hindered phenyl bis(naphthyl)phosphites and compositions thereof | Chemistry; Metallurgy | 4 | Expired |
| US4520151A | Tris (3,6-di-t-butyl-2-naphthyl) phosphite and compositions thereof | Chemistry; Metallurgy | 3 | Expired |
| US4495320A | 3,6-Di-t-butyl-2-naphthyl catechol phosphite and compositions thereof | Chemistry; Metallurgy | 3 | Expired |
| US4866138A | Vulcanization accelerators | Chemistry; Metallurgy | 2 | Expired |
| US4032505A | 2,4-Dihydroxydiphenyl sulfoxide | Chemistry; Metallurgy | 2 | Expired |
| US4066619A | 4-Hydroxydiphenyl sulfoxide compositions | Chemistry; Metallurgy | 1 | Expired |
| US4055540A | 5-Hydroxydiphenyl sulfoxide compositions | Chemistry; Metallurgy | 0 | Expired |
| US4163008A | Dual purpose stabilizer compounds and polymer compositions containing same | Chemistry; Metallurgy | 0 | Expired |
| US4590017A | 2,4-bis-(2,6-di-t-alkyl-4-substituted-phenoxy)-1 ,3,2,4-dioxadiphosphetanes | Chemistry; Metallurgy | 0 | Expired |
| US4515733A | Method for making 1,3,5,2,4,6-trioxatriphosphorinanes | Chemistry; Metallurgy | 0 | Expired |
| US4501684A | 2-Naphthyl phosphoramidites and compositions thereof | Chemistry; Metallurgy | 0 | Expired |
| US4048140A | Light resistant polyolefin compositions | Chemistry; Metallurgy | 0 | Expired |
| US4311647A | Process for preparation of (hydrocarbonthio)oxamides | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.