Thomas L. Evans
74Patents
20h-index
81Co-inventors
91Inventor score
Filing activity: Dec 21, 1981 → Sep 25, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4644053A | Cyclic polycarbonate oligomers and methods for their preparation and use | Chemistry; Metallurgy | 78 | Expired |
| US4605731A | Method for preparing linear polycarbonate from cyclic oligomer with aryl carbanion generating catalyst | Chemistry; Metallurgy | 59 | Expired |
| US4690997A | Flame retardant wire coating compositions | Electricity | 54 | Expired |
| US5466744A | Polymerization of macrocyclic poly(alkylene dicarboxylate) oligomers | Chemistry; Metallurgy | 48 | Expired |
| US4740583A | Method for converting cyclic polycarbonate oligomer mixtures to linear polycarbonate, and composition resulting therefrom | Chemistry; Metallurgy | 46 | Expired |
| US6293311A | Multilayer composite pipe fluid conduit system using multilayer composite pipe and method of making the composite | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4980453A | Macrocyclic oligomers containing spiro(bis)indane moietes | Chemistry; Metallurgy | 39 | Expired |
| US5191013A | Macrocyclic filled compositions convertible to polyester composites | Chemistry; Metallurgy | 38 | Expired |
| US5300590A | Macrocyclic polyester compositions convertible to linear polyesters of improved integrity | Chemistry; Metallurgy | 34 | Expired |
| US5414057A | Redistribution of organic polycarbonate compositions | Chemistry; Metallurgy | 31 | Expired |
| US4816548A | Cyclic polycarbonate oligomers: inhibition and control of polymerization to linear polycarbonates | Chemistry; Metallurgy | 30 | Expired |
| US4831001A | Cyclic polycarbonate oligomers: inhibition and control of polymerization to linear polycarbonates | Chemistry; Metallurgy | 30 | Expired |
| USRE34431E | Macrocyclic oligomers containing spiro(bis)indane moieties | General | 29 | Expired |
| US5137340A | Merchandising display and locator system for fastener products | Performing Operations; Transporting | 25 | Expired |
| US4849502A | Method of regulating the polymerization of cyclic polycarbonate with initiator and polyhydric phenol | Chemistry; Metallurgy | 25 | Expired |
| US4520204A | Method for preparation of aromatic ether imides and for catalyst recovery therein | Chemistry; Metallurgy | 24 | Expired |
| US9287471B2 | Polycarbonate compositions containing conversion material chemistry and having enhanced optical properties, methods of making and articles comprising the same | Electricity | 23 | Active |
| US4746725A | Cyclic polycarbonate-polyepoxide reaction product and method for their preparation | Chemistry; Metallurgy | 22 | Expired |
| US6000436A | Fluid conduit systems and methods for making | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4760117A | Method for preparing copolycarbonates from cyclic polycarbonate oligomers | Chemistry; Metallurgy | 20 | Expired |
| US5775378A | Fluid conduit systems and methods for making | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4429102A | Novel sulfur-containing polyetherimides | Chemistry; Metallurgy | 11 | Expired |
| US4657989A | Method for preparing siloxane-carbonate block copolymers | Chemistry; Metallurgy | 11 | Expired |
| US5769128A | Multilayer fluid conduits | Performing Operations; Transporting | 11 | Expired |
| US4920183A | Method for making silicone-poly(arylcarbonate) block copolymers | Chemistry; Metallurgy | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.