Don S. Wardius
16Patents
4h-index
25Co-inventors
60Inventor score
Filing activity: Feb 4, 1992 → Dec 4, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5158922A | Process for preparing metal cyanide complex catalyst | Chemistry; Metallurgy | 284 | Expired |
| US5248833A | Process for purifying polyols made with double metal cyanide catalysts | Chemistry; Metallurgy | 22 | Expired |
| US9284401B2 | Process for the preparation of polyether-ester polyols | Chemistry; Metallurgy | 6 | Active |
| US7828991B2 | Polyether polyols based on cashew nutshell liquid and flexible foams | Chemistry; Metallurgy | 4 | Active |
| US8598248B2 | Flexible polyurethane foams made from alkoxylated natural oil | Chemistry; Metallurgy | 3 | Active |
| US10851239B2 | Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams | Chemistry; Metallurgy | 3 | Active |
| US9834638B2 | Process for preparing rigid polyisocyanurate foams using natural-oil polyols | Chemistry; Metallurgy | 2 | Active |
| US10465090B2 | Powder coating compositions with a polymeric aromatic product of an aromatic isocyanate manufacturing process | Chemistry; Metallurgy | 1 | Active |
| US10400112B2 | Powder coating compositions with a polymeric aromatic product of an aromatic isocyanate manufacturing process | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11041039B2 | Softening thermoplastic polyurethanes using ionomer technology | Chemistry; Metallurgy | 0 | Active |
| US7323605B2 | Double metal cyanide-catalyzed, low unsaturation polyethers from boron-containing starters | Chemistry; Metallurgy | 0 | Expired |
| US9493608B1 | DMC catalyzed alkoxylation of esters | Chemistry; Metallurgy | 0 | Active |
| US11414544B2 | Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams | Chemistry; Metallurgy | 0 | Active |
| US11225543B2 | Softening thermoplastic polyurethanes using ionomer technology | Chemistry; Metallurgy | 0 | Active |
| US10227440B2 | Softening thermoplastic polyurethanes using ionomer technology | Chemistry; Metallurgy | 0 | Active |
| US11618814B2 | Elastomeric compositions containing a solid residue of isocyanate manufacturing | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.