KP

Kathryn A. Pearlstine

EA E.I. Du Pont De Nemours And: 12 patents #569 of 8,010Top 8%
DX Dximaging: 2 patents #3 of 22Top 15%
Xerox: 2 patents #3,932 of 8,622Top 50%
📍 Wilmington, DE: #288 of 3,182 inventorsTop 10%
🗺 Delaware: #542 of 7,163 inventorsTop 8%
Overall (All Time): #301,584 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
7176248 Smear resistant inkjet inks Jose Esteban Valentini 2007-02-13
7008992 Water insoluble non-ionic graft copolymers Loretta Ann Grezzo Page, Waifong Liew Anton 2006-03-07
6811243 Priming fluid for ink jet printheads Waifong Liew Anton 2004-11-02
6087416 Aqueous pigmented ink jet inks for printing on vinyls Loretta Ann Grezzo Page, Robert P. Held 2000-07-11
5969033 Polymer/dye reaction products for improved chroma in pigment-based ink jet inks 1999-10-19
5912280 Ink jet inks containing emulsion-polymer additives to improve water-fastness Waifong Liew Anton, Milan Bohuslav Bednarek, Edward G. Howard, Jr., Soodebeh Tronson 1999-06-15
5750594 Ink set and process for alleviating bleed in printed elements Loretta Ann Grezzo Page 1998-05-12
5518534 Ink set and process for alleviating bleed in printed elements Loretta Ann Grezzo Page 1996-05-21
5471287 System for replenishing liquid electrostatic developer David E. Blair, William A. Houle, Gregg A. Lane, James R. Larson 1995-11-28
5382492 Quaternary ammonium compound as charge adjuvants for positive electrostatic liquid developers Lyla M. El-Sayed, Gregg A. Lane 1995-01-17
5290653 Block copolymer amine salts as charge directors for negative electrostatic liquid developer 1994-03-01
5206107 Siloxane surfactants as liquid developer additives 1993-04-27
5066821 Process for preparing positive electrostatic liquid developers with acidified charge directors William A. Houle, James R. Larson 1991-11-19
5034299 Mineral acids as charge adjuvants for positive liquid electrostatic developers William A. Houle, James R. Larson, Torence J. Trout 1991-07-23
5002848 Substituted carboxylic acids as adjuvants for positive electrostatic liquid developers Lyla M. El-Sayed, Loretta Ann Grezzo Page 1991-03-26
4928065 Voltammetry in low-permitivity suspensions Gregg A. Lane 1990-05-22