Douglas Stephens McWilliams
45Patents
10h-index
30Co-inventors
71Inventor score
Filing activity: Apr 7, 1999 → Mar 6, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7781562B2 | Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and moderate glass transition temperature and articles made therefrom | Emerging Cross-Sectional Technologies | 75 | Active |
| US7297755B2 | Shaped articles from cycloaliphatic polyester compositions | Emerging Cross-Sectional Technologies | 71 | Active |
| US7855267B2 | Film(s) and/or sheet(s) comprising polyester compositions which comprise cyclobutanediol and have a certain combination of inherent viscosity and moderate glass transition temperature | Emerging Cross-Sectional Technologies | 66 | Active |
| US6723768B2 | Polyester/polycarbonate blends with reduced yellowness | Chemistry; Metallurgy | 65 | Expired |
| US7169880B2 | Shaped articles from cycloaliphatic polyester compositions | Emerging Cross-Sectional Technologies | 64 | Expired |
| US7468409B2 | Polyester compositions | Chemistry; Metallurgy | 59 | Active |
| US7482397B2 | Polycarbonate compositions | Chemistry; Metallurgy | 58 | Expired |
| US6129873A | Process for removing moisture and volatiles from pellets in single screw extruders | Performing Operations; Transporting | 20 | Expired |
| US8415450B2 | Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and high glass transition temperature and articles made therefrom | Emerging Cross-Sectional Technologies | 15 | Active |
| US7812111B2 | LCD films comprising polyester compositions formed from 2,2,4,4-tetramethy1-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol | Emerging Cross-Sectional Technologies | 11 | Active |
| US8063173B2 | Polyester compositions containing low amounts of cyclobutanediol and articles made therefrom | Emerging Cross-Sectional Technologies | 10 | Active |
| US8119761B2 | Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and high glass transition temperature and articles made therefrom | Emerging Cross-Sectional Technologies | 10 | Active |
| US8193302B2 | Polyester compositions which comprise cyclobutanediol and certain phosphate thermal stabilizers, and/or reaction products thereof | Chemistry; Metallurgy | 10 | Active |
| US8119762B2 | Film(s) and/or sheet(s) comprising polyester compositions which comprise cyclobutanediol and have a certain combination of inherent viscosity and moderate glass transition temperature | Emerging Cross-Sectional Technologies | 9 | Active |
| US8133967B2 | Restaurant smallware comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol | Emerging Cross-Sectional Technologies | 8 | Active |
| US7838620B2 | Thermoformed sheet(s) comprising polyester compositions which comprise cyclobutanediol | Emerging Cross-Sectional Technologies | 8 | Active |
| US7524920B2 | Biaxially oriented copolyester film and laminates thereof | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7868128B2 | Skylights and windows comprising polyester compositions formed from 2,2,4,4,-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol | Emerging Cross-Sectional Technologies | 8 | Active |
| US8063172B2 | Film(s) and/or sheet(s) made using polyester compositions containing low amounts of cyclobutanediol | Emerging Cross-Sectional Technologies | 7 | Active |
| US7807775B2 | Point of purchase displays comprising polyester compositions formed from 2,2,4,4-tetramethyl-1, 3,-cyclobutanediol and 1,4-cyclohexanedimethanol | Emerging Cross-Sectional Technologies | 7 | Active |
| US7902320B2 | Graphic art films comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol | Emerging Cross-Sectional Technologies | 7 | Active |
| US7807774B2 | Vending machines comprising polyester compositions formed from 2,2,4,4,-tetramethyl-1,3,-cyclobutanediol and 1,4-cyclohexanedimethanol | Emerging Cross-Sectional Technologies | 7 | Active |
| US7834129B2 | Restaurant smallware comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol | Emerging Cross-Sectional Technologies | 7 | Active |
| US8067525B2 | Film(s) and/or sheet(s) comprising polyester compositions which comprise cyclobutanediol and have a certain combination of inherent viscosity and high glass transition temperature | Emerging Cross-Sectional Technologies | 7 | Active |
| US7812112B2 | Outdoor signs comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol | Emerging Cross-Sectional Technologies | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.