Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6255437 | Process for preparing poly (2,2,4,4-tetramethyl-1,3-cyclobutylene carbonate) | William R. Darnell, Jean Carroll Fleischer | 2001-07-03 |
| 6180748 | Process for deactivating alkali metal catalyst residues in poly(2,2,4,4-tetramethyl-1,3-cyclobutylene carbonate residues | William R. Darnell, Jean Carroll Fleischer | 2001-01-30 |
| 6114474 | Process for deactivating polycarbonate catalyst residues | William R. Darnell, Jean Carroll Fleischer | 2000-09-05 |
| 6037436 | Process for preparing poly (2,2,4,4-tetramethyl-1,3-cyclobutylene carbonate) | William R. Darnell, Jean Carroll Fleischer | 2000-03-14 |
| 5856553 | Carbonic acid 3-methoxycarbonyloxy-2,2,4,4-tetramethyl-cyclobutyl ester methyl ester and method of making therefor | Jean Carroll Fleischer, William R. Darnell | 1999-01-05 |
| 5338881 | Process for preparing diketones | Winston J. Jackson, Jr., Jean Carroll Fleischer | 1994-08-16 |
| 5292947 | Process for preparing alkylsulfonic anhydrides | — | 1994-03-08 |
| 5107029 | Process for preparing diketones and keto-acids | Winston J. Jackson, Jr., Jean Carroll Fleischer | 1992-04-21 |
| 4959446 | Polyamide with improved gas barrier properties from cyclo-alkylidene bisphenoxy diacetic acid | Burns Davis | 1990-09-25 |
| 4922000 | Production of dialkyl (phenylenedioxy) diacetates | W. Carl Wooten, Jr. | 1990-05-01 |