WH

Walter R. Hertler

EA E.I. Du Pont De Nemours And: 35 patents #96 of 8,010Top 2%
AT American Telephone And Telegraph: 1 patents #132 of 699Top 20%
📍 Kennett Square, PA: #14 of 289 inventorsTop 5%
🗺 Pennsylvania: #1,398 of 74,527 inventorsTop 2%
Overall (All Time): #99,494 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
6455628 Two component dispersant for wet milling process Sheau-Hwa Ma 2002-09-24
6306994 Inks with enhanced substrate binding characteristics Dennis S. Donald, Sheau-Hwa Ma 2001-10-23
5654354 Compositions for diffusion patterning John James Felten, Sheau-Hwa Ma 1997-08-05
5648405 Aqueous ink jet inks Sheau-Hwa Ma 1997-07-15
5609914 Method for preparing high resolution polyimide images using non-photosensitive layers of poly(amic acid) or salts thereof Sheau-Hwa Ma, Howard E. Simmons, III 1997-03-11
5519085 Aqueous dispersions containing ABC triblock polymer dispersants Sheau-Hwa Ma, Ira B. Dicker 1996-05-21
5286595 Process for creating a tacky tonable image surface through exposure of a substrate coated with a polymer blend, including a photo-acid generator, to actinic radiation Howard E. Simmons, III, Mario Grossa 1994-02-15
5275689 Method and compositions for diffusion patterning John James Felten, Sheau-Hwa Ma 1994-01-04
5272201 Amine-containing block polymers for pigmented ink jet inks Sheau-Hwa Ma, Harry J. Spineli, Arthur C. Shor 1993-12-21
5262281 Resist material for use in thick film resists Richard Bauer, Gwendyline Y. Y. Chen, Robert Clayton Wheland 1993-11-16
5229244 Dry processible photosensitive composition including photo-acid generator and optically clear polymer (co-polymer) blend that becomes tacky upon exposure to actinic radiation Howard E. Simmons, III 1993-07-20
5219711 Positive image formation utilizing resist material with carbazole diazonium salt acid generator Albert G. Anderson, Robert Clayton Wheland, Yuan Chen 1993-06-15
5219945 ABC triblock methacrylate polymers Ira B. Dicker, Sheau-Hwa Ma 1993-06-15
5212047 Resist material and process for use Dotsevi Y. Sogah, Gary N. Taylor 1993-05-18
5206317 Resist material and process for use Dotsevi Y. Sogah, Gary N. Taylor 1993-04-27
5145764 Positive working resist compositions process of exposing, stripping developing Richard Bauer, Gwendyline Y. Y. Chen, Robert Clayton Wheland 1992-09-08
5120633 Resist material for use in thick film resists Richard Bauer, Gwendyline Y. Y. Chen, Robert Clayton Wheland 1992-06-09
5093221 Process of making colored images using aqueous processable photosensitive elements Gwendyline Y. Y. Chen, Floyd A. Raymond, Jeffrey Jude Patricia 1992-03-03
5077174 Positive working dry film element having a layer of resist composition Richard Bauer, Gwendyline Y. Y. Chen, Robert Clayton Wheland 1991-12-31
5071731 Aqueous processable photosensitive element with an elastomeric layer Gwendyline Y. Y. Chen, Floyd A. Raymond, Jeffrey Jude Patricia 1991-12-10
5072029 Catalyzed process for reacting carboxylic acids with vinyl ethers 1991-12-10
5021524 Initiator for group transfer polymerization Ira B. Dicker 1991-06-04
5019634 Group transfer living polymer grafted to an initiator support Fritz P. Boettcher, Ira B. Dicker, Richard C. Ebersole 1991-05-28
4985332 Resist material with carbazole diazonium salt acid generator and process for use Albert G. Anderson, Robert Clayton Wheland, Yuan Chen 1991-01-15
4978723 Phosphonate-capped polymers 1990-12-18