SP

Stephan J. W. Platzer

HC Hoechst Celanese: 25 patents #13 of 871Top 2%
AN Agfa-Gevaert Nv: 9 patents #183 of 1,819Top 15%
Hoechst Gmbh: 7 patents #542 of 4,020Top 15%
AH American Hoechst: 5 patents #9 of 142Top 7%
DY Dymax: 4 patents #5 of 43Top 15%
KC Kodak Polychrome Graphics Company: 4 patents #61 of 213Top 30%
BH Bayer Healthcare: 2 patents #3,312 of 8,007Top 45%
HA Hoescht Aktiengesellschaft: 1 patents #26 of 159Top 20%
📍 New Brunswick, NJ: #4 of 709 inventorsTop 1%
🗺 New Jersey: #628 of 69,400 inventorsTop 1%
Overall (All Time): #39,485 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 1–25 of 60 patents

Patent #TitleCo-InventorsDate
8846981 1,1-di[(alkylphenoxy)ethoxy]cyclohexanes James A. Bonham, Edward A. Casson, III 2014-09-30
8632943 Near-infrared sensitive, positive-working, image forming composition and photographic element containing a 1,1-di[(alkylphenoxy)ethoxy]cyclohexane James A. Bonham, Kimberly R. Kukla, Richard C. Wax, Teresa Baker, Ella Ross Ryan 2014-01-21
8052829 Photopolymerizable compositions containing an oxonol dye Patrick Vaughn 2011-11-08
7892386 Radiation-curable fluorescing compositions Patrick Vaughn, Aysegul Kascatan Nebioglu 2011-02-22
7802910 Light guide exposure device Kirk A. Middlemass, George H. Lester, Todd J. Hallock 2010-09-28
7671543 Light exposure control device and apparatus George H. Lester, Thomas J. Cavanaugh, Kirk A. Middlemass 2010-03-02
6861196 Photosensitive compositions having mixtures of alkoxy and non-alkoxy diazonium salt containing compounds Maria T. Sypek, Paul A. Perron, Harald Baumann, Melinda Alden 2005-03-01
6638679 Photosensitive compositions having mixtures of alkoxy and non-alkoxy diazonium salt containing compounds Maria T. Sypek, Paul A. Perron, Harald Baumann, Melinda Alden 2003-10-28
6458503 Fluorinated aromatic acetal polymers and photosensitive compositions containing such polymers Paul A. Perron, Melinda Alden 2002-10-01
6261734 Peel-developable single sheet color proofing system with laminated adhesive layers 2001-07-17
5900345 Surfactant in precoat for lithographic plates Joe E. South, Melinda Alden 1999-05-04
5860184 Process for the mechanical roughening of the surface of a printing plate substrate and cylinder brush for carrying out the process Walter Mackert, Rudolf Neubauer 1999-01-19
5792588 Negative working, peel developable, single sheet color proofing system Wojciech A. Wilczak, David L. Siegfried 1998-08-11
5775977 Process for the mechanical roughening of the surface of a printing plate substrate Walter Mackert, Rudolf Neubauer 1998-07-07
5725992 Process for the production of a multicolored image and photosensitive material for carrying out this process Wojciech A. Wilczak, Gerhard Buhr, Dieter Mohr 1998-03-10
5725988 Solid transfer negative- or positive-working color proofing element 1998-03-10
5705313 Process for the production of a lithographic printing plate through selective transfer Werner Frass, Willi-Kurt Gries 1998-01-06
5693449 Process for the production of a multicolored image and photosensitive material for carrying out this process Wojciech A. Wilczak, Gerhard Buhr, Dieter Mohr 1997-12-02
5683852 Light-sensitive material for producing a multi-color image Karin Maerz 1997-11-04
5681682 Light-sensitive material for producing a multi-color image Karin Maerz 1997-10-28
5627009 Process for the production of a multicolored image Karin Maerz, Ine Gramm, Manfred Hilger, Dieter Mohr 1997-05-06
5545506 Method of producing an image using a negative working, peel developable, single sheet color proofing system Wojciech A. Wilczak, David L. Siegfried 1996-08-13
5534384 Photosensitive material for the production of a multicolored image Siegfried Nuernberger, Karin Maerz 1996-07-09
5534373 Peel-apart process for the production of a colored image and imaged product produced through the process Andrea Buchmann, Gerhard Buhr 1996-07-09
5529883 Photosensitive material for the production of a colored image utilizing adhesion promoting layer Andrea Buchmann, Gerhard Buhr 1996-06-25