Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670033 | Process and products of purification of anhydrosugar alcohols | Michael A. Hubbard, Michael Wohlers, Helmut Witteler, Edward G. Zey, George Kvakovszky +3 more | 2003-12-30 |
| 6656577 | Process for making poly(ethylene-co-isosorbide) terephthalate polymer | Douglas J. Adelman, Sophie Ung | 2003-12-02 |
| 6359070 | Polyesters including isosorbide as a comonomer blended with other thermoplastic polymers | Garo Khanarian, Helmut Witteler | 2002-03-19 |
| 6140422 | Polyesters including isosorbide as a comonomer blended with other thermoplastic polymers | Garo Khanarian, Helmut Witteler | 2000-10-31 |
| 6126992 | Optical articles comprising isosorbide polyesters and method for making same | Garo Khanarian, Helmut Witteler | 2000-10-03 |
| 6063464 | Isosorbide containing polyesters and methods for making same | Robert E. Johnson, Helmut Witteler, Garo Khanarian | 2000-05-16 |
| 6063465 | Polyester container and method for making same | Robert E. Johnson | 2000-05-16 |
| 6063495 | Polyester fiber and methods for making same | Garo Khanarian, Robert E. Johnson, Helmut Witteler, John A. Flint | 2000-05-16 |
| 6025061 | Sheets formed from polyesters including isosorbide | Garo Khanarian, Robert E. Johnson, Helmut Witteler, Russel G. Lee, Robert Bruce Sandor +1 more | 2000-02-15 |
| 5958581 | Polyester film and methods for making same | Garo Khanarian, Carol Kitchens, Sunny S. Shen | 1999-09-28 |
| 5959066 | Polyesters including isosorbide as a comonomer and methods for making same | Robert E. Johnson, Helmut Witteler, Garo Khanarian | 1999-09-28 |
| 5919889 | Melt processable poly(ester-amide) capable of forming an anisotropic melt containing an aromatic moiety capable of forming and amide linkage | Cherylyn Lee | 1999-07-06 |
| 5738803 | Polarizer films comprising wholly aromatic liquid crystalline polymers and dichroic dyes | James P. Shepherd, Sunny S. Shen, Brian B. Marr | 1998-04-14 |
| 5656714 | Polyester from terephthalic acid, 6-hydroxy-2-naphthoic acid, 4-hydroxybenzoic acid, 4,4'-biphenol and resorcinol | Sunny S. Shen | 1997-08-12 |
| 5508374 | Melt processable poly(ester amide) capable of forming an anisotropic melt containing an aromatic moiety capable of forming an amide linkage | Cherylyn Lee | 1996-04-16 |
| 5472641 | Single phase aqueous paint remover compositions including trioxane, water and an organic co-solvent | James E. Kuder, Elizabeth E. Fernekess | 1995-12-05 |
| 5393848 | Process for forming improved liquid crystalline polymer blends | Balaram Gupta, H. Clay Linstid, III, Linda C. Sawyer, James P. Shepherd | 1995-02-28 |
| 5306800 | Pseudo network condensation polymers | Balaram Gupta, Wilfried Hatke | 1994-04-26 |
| 5204443 | Melt processable poly(ester-amide) capable of forming an anisotropic melt containing an aromatic moiety capable of forming an amide linkage | Cherylyn Lee | 1993-04-20 |
| 5171823 | Melt processable thermotropic wholly aromatic polyester containing 6-hydroxy-2-naphthoic acid moieties | Gordon Calundann | 1992-12-15 |
| 5164478 | Process for producing polyarylate having low color | Cherylyn Lee, Gordon Calundann | 1992-11-17 |
| 5140093 | Melt-processable thermotropic polyesters having fluorine containing linking groups | Balaram Gupta, Gordon Calundann, Tai-Shung Chung | 1992-08-18 |
| 5015722 | Melt-processable polyester capable of forming an anisotropic melt which exhibits a highly attractive balance between its molding and heat deflection temperatures | John A. Flint, Gabor Kiss, James P. Shepherd | 1991-05-14 |
| 4746694 | Melt processable polyester capable of forming an anisotropic melt comprising a relatively low concentration of 6-oxy-2-naphthoyl moiety, 4-oxybenzoyl moiety, 2,6-dioxynaphthalene moiety, and terephthaloyl moiety | Gordon Calundann, Brian Benicewicz | 1988-05-24 |
| 4574066 | Process for the expeditious formation of a high strength shaped article of poly(6-oxy-2-naphthoate-4-oxybenzoate) | John D. Gibbon, Terry E. Lawler, Hyun-Nam Yoon | 1986-03-04 |