Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5028687 | Arylamine carbonate polymer | John F. Yanus, John W. Spiewak, William W. Limburg | 1991-07-02 |
| 5011939 | Hydroxy functionalized arylamine compounds | William W. Limburg, John F. Yanus, Richard L. Schank, Beng S. Ong | 1991-04-30 |
| 4956440 | Arylamine containing polyhydroxyether resins | William W. Limburg, John F. Yanus, Leon A. Teuscher | 1990-09-11 |
| 4935487 | Carbonate-arylamine polymer | John F. Yanus, John W. Spiewak, William W. Limburg | 1990-06-19 |
| 4871634 | Electrophotographic elements using hydroxy functionalized arylamine compounds | William W. Limburg, John F. Yanus, Richard L. Schank, Beng S. Ong | 1989-10-03 |
| 4818650 | Arylamine containing polyhydroxy ether resins and system utilizing arylamine containing polyhydroxyl ether resins | William W. Limburg, John F. Yanus, Leon A. Teuscher | 1989-04-04 |
| 4806443 | Polyarylamine compounds and systems utilizing polyarylamine compounds | John F. Yanus, John W. Spiewak, William W. Limburg | 1989-02-21 |
| 4806444 | Arylamine polymers and systems utilizing arylamine polymers | John F. Yanus, John W. Spiewak, William W. Limburg | 1989-02-21 |
| 4764625 | Process for preparing arylamines | S. Richard Turner, John F. Yanus | 1988-08-16 |
| 4599286 | Photoconductive imaging member with stabilizer in charge transfer layer | William W. Limburg | 1986-07-08 |
| 4397931 | Stabilized organic layered photoconductive device | William W. Limburg, Damodar M. Pai | 1983-08-09 |
| 4304829 | Imaging system with amino substituted phenyl methane charge transport layer | William W. Limburg, Damodar M. Pai | 1981-12-08 |
| 4299897 | Aromatic amino charge transport layer in electrophotography | Milan Stolka, John F. Yanus, Damodar M. Pai, James M. Pearson | 1981-11-10 |
| 4273846 | Imaging member having a charge transport layer of a terphenyl diamine and a polycarbonate resin | Damodar M. Pai, S. Richard Turner, John F. Yanus, Milan Stolka | 1981-06-16 |