Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6166105 | Process for making an ink jet ink | Charles E. Romano, Jr., David Erdtmann | 2000-12-26 |
| 6156473 | Monodisperse spherical toner particles containing aliphatic amides or aliphatic acids | Dinesh Tyagi, David E. Tyminski, Leo G. Proctor | 2000-12-05 |
| 6053438 | Process for making an ink jet ink | Charles E. Romano, Jr., Karen E. Maskasky | 2000-04-25 |
| 6008270 | Ink jet inks containing block copolymers of polyethylene oxide and polypropylene | — | 1999-12-28 |
| 5837044 | Ink jet inks containing polyethylene fatty ether additives | Ravi Sharma | 1998-11-17 |
| 5738716 | Color pigmented ink jet ink set | Douglas E. Bugner, Alexandra D. Bermel, David Oldfield | 1998-04-14 |
| 5716436 | Ink jet inks containing polyester ionomers | Louis J. Sorriero | 1998-02-10 |
| 5679139 | Cyan and magenta pigment set | Elizabeth McInerney, David Oldfield, Douglas E. Bugner, Alexandra DiLauro Bermel | 1997-10-21 |
| 5679142 | Cyan ink jet pigment set | Elizabeth McInerney, David Oldfield, Douglas E. Bugner, Alexandra DiLauro Bermel | 1997-10-21 |
| 5679141 | Magenta ink jet pigment set | Elizabeth McInerney, David Oldfield, Douglas E. Bugner, Alexandra DiLauro Bermel | 1997-10-21 |
| 5651813 | Preparation of ink jet inks with sodium N-methyl-N-oleoyl taurate | Douglas E. Bugner | 1997-07-29 |
| 5611847 | Aqueous pigment dispersions containing sequestering agents for use as ink jet printing inks | Robert A. Guistina, Douglas E. Bugner | 1997-03-18 |
| 5330868 | Electrographic fluorescent liquid developer | John W. May | 1994-07-19 |
| 5283151 | Method for the preparation of electrostatographic toner of controlled shape by evaporative limited coalescence | — | 1994-02-01 |
| 5176980 | Electrographic liquid developer and method of making same | John W. May | 1993-01-05 |
| 5064738 | Liquid toning process and apparatus | David M. Rakov | 1991-11-12 |
| 5014090 | Method and apparatus for improving a multi-color electrophotographic image using vapor fusing | — | 1991-05-07 |
| 4913992 | Method of improving a multi-color electrophotographic image by buffing an image toned with an improved toner | Lawrence C. Steele, Kenneth E. Rook, Dennis R. Kamp | 1990-04-03 |
| 4865937 | Method of making fluorescent toner | John W. May | 1989-09-12 |
| 4812377 | High resolution polyester developers for electrostatography | John C. Wilson, Lawrence P. DeMejo | 1989-03-14 |
| 4725867 | Apparatus for forming a multi-color image on an electrophotographic element which is sensitive to light outside the visible spectrum | Yee S. Ng, Louis J. Rossi | 1988-02-16 |
| 4708923 | Crosslinked vinyl polymer particles and electrographic elements and liquid developers containing such particles | Drewfus Y. Myers, Jr., Peter S. Alexandrovich, Glenn T. Pearce, Chandrasekha Sreekumar, Martin A. Berwick +2 more | 1987-11-24 |
| 4701387 | Plural-stage liquid development of electrostatic charge patterns | Peter S. Alexandrovich, Yee S. Ng | 1987-10-20 |
| 4659640 | Self-fixing liquid electrographic developers containing polyester toners and dispersed wax and processes for using the same | — | 1987-04-21 |
| 4654282 | Plural electrophotographic toned image method | Yee S. Ng, Louis J. Rossi | 1987-03-31 |