Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5801738 | Process for alleviating bleed and improving color in printed elements | John L. Stoffel, Arthur C. Shor, Harry J. Spinelli, Sheau-Hwa Ma, Mark L. Choy +1 more | 1998-09-01 |
| 5555008 | Process for alleviating bleed in printed elements | John L. Stoffel, Arthur C. Shor, Harry J. Spinelli, Sheau-Hwa Ma, Mark L. Choy +1 more | 1996-09-10 |
| 5416145 | Aqueous anionic dye based ink jet inks | Ronald A. Askeland, Sheau-Hwa Ma, Michele Shepard | 1995-05-16 |
| 5356464 | Aqueous ink compositions containing anti-curl agents | Mark Hickman, Loren E. Johnson, John L. Stoffel, Ronald A. Askeland, Catherine B. Hunt +4 more | 1994-10-18 |
| 5268027 | Alkylpolyol ethers as cosolvents for ink jet inks | Dominic M. Chan, Glenn M. Russo | 1993-12-07 |
| 5250109 | Derivatives of polyoxyalkyleneamines as cosolvents for aqueous ink jet inks | Dominic M. Chan, Glenn M. Russo | 1993-10-05 |
| 5224987 | Penetrants for aqueous ink jet inks | — | 1993-07-06 |
| 5221334 | Aqueous pigmented inks for ink jet printers | Sheau-Hwa Ma, Arthur C. Shor, Harry J. Spinelli, Michele Shepard, Jerome Hochberg | 1993-06-22 |
| 5205861 | Aqueous ink jet inks containing alkylene oxide condensates of certain nitrogen heterocyclic compounds as cosolvents | — | 1993-04-27 |
| 5180425 | Aqueous ink jet inks containing polyol/alkylene oxide condensates as cosolvents | Michele Shepard, Young S. You | 1993-01-19 |
| 5173112 | Nitrogen-containing organic cosolvents for aqueous ink jet inks | Dominic M. Chan, Glenn M. Russo | 1992-12-22 |
| 5169436 | Sulfur-containing penetrants for ink jet inks | — | 1992-12-08 |
| 5169438 | Aqueous ink jet inks containing cycloaliphatic diol pluggage inhibitors | — | 1992-12-08 |
| 5160372 | Aqueous ink jet inks containing ester diol and amide diol cosolvents | — | 1992-11-03 |
| 5141556 | Penetrants for aqueous ink jet inks | — | 1992-08-25 |
| 5085698 | Aqueous pigmented inks for ink jet printers | Sheau-Hwa Ma, Arthur C. Shor, Harry J. Spinelli | 1992-02-04 |
| 5039588 | Non-electroscopic prolonged tack toners | Robert P. Held | 1991-08-13 |
| 4965172 | Humidity-resistant proofing toners with low molecular weight polystyrene | — | 1990-10-23 |
| 4960677 | Dry nonelectroscopic toners surface coated with organofunctional substituted fluorocarbon compounds | Josette C. Seibles | 1990-10-02 |
| 4869996 | Process for preparing negative images on a positive-type tonable photosensitive element | Peter J. McCartin, Eugene L. Grubb, Robert P. Held, Bohdan Rakoczy | 1989-09-26 |
| 4565773 | Dry nonelectroscopic toners surface coated with nonionic siloxane-oxyalkylene block copolymer | — | 1986-01-21 |
| 4561899 | Pigment toners with improved transparency | — | 1985-12-31 |
| 4547457 | Process of preparing toner treated with polymeric quaternary ammonium salt and slip agent | Eugene L. Grubb | 1985-10-15 |
| 4546072 | Toners treated with polymeric quaternary ammonium salts and slip agent | — | 1985-10-08 |
| 4257951 | Two-step milling process for preparing pigmentary copper phthalocyanine | — | 1981-03-24 |