Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020400 | Ink jet inks containing emulsion polymer additives stabilized with structured polymers | Waifong Liew Anton, Milan Bohuslav Bednarek, Robert P. Held, Sheau-Hwa Ma, Joseph E. Reardon +2 more | 2000-02-01 |
| 5801738 | Process for alleviating bleed and improving color in printed elements | John L. Stoffel, Harry J. Spinelli, Sheau-Hwa Ma, Howard Matrick, Mark L. Choy +1 more | 1998-09-01 |
| 5555008 | Process for alleviating bleed in printed elements | John L. Stoffel, Harry J. Spinelli, Sheau-Hwa Ma, Howard Matrick, Mark L. Choy +1 more | 1996-09-10 |
| 5310778 | Process for preparing ink jet inks having improved properties | Harry J. Spinelli | 1994-05-10 |
| 5272201 | Amine-containing block polymers for pigmented ink jet inks | Sheau-Hwa Ma, Walter R. Hertler, Harry J. Spineli | 1993-12-21 |
| 5221334 | Aqueous pigmented inks for ink jet printers | Sheau-Hwa Ma, Howard Matrick, Harry J. Spinelli, Michele Shepard, Jerome Hochberg | 1993-06-22 |
| 5085698 | Aqueous pigmented inks for ink jet printers | Sheau-Hwa Ma, Howard Matrick, Harry J. Spinelli | 1992-02-04 |
| 4656226 | Acrylic pigment dispersants made by group transfer polymerization | Clyde Spencer Hutchins | 1987-04-07 |