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 26–50 of 60 patents

Patent #TitleCo-InventorsDate
5492791 Photosensitive material and method for making color-proofing films Karin Maerz, Volker Matz, Detlev Seip 1996-02-20
5478694 Process for the production of a multicolored image and photosensitive material for carrying out this process Karin Maerz, Ine Gramm, Manfred Hilger, Dieter Mohr 1995-12-26
5443939 Light-sensitive material for producing a multi-color image Karin Maerz 1995-08-22
5374184 Photopolymerizable material and process for the production of a colored image Gerhard Buhr, Manfred Michel, Andrea Buchmann 1994-12-20
5282918 Apparatus for separating and drawing off a film laminated on a carrier material Hans Heist, Martin Stork 1994-02-01
5269873 Apparatus for peeling-off a film laminated on a carrier material Martin Stork, Guenter Hultzsch, Arthur E. Procter, Hans Heist 1993-12-14
5258247 Photoimaged article having a colored image protected by a transparent, flexible nonself supporting layer containing a thermoplastic, antiblocking resin 1993-11-02
5236806 Photopolymerizable, positive working, peel developable, single sheet color proofing system 1993-08-17
5213941 Solid transfer negative- or positive-working color proofing method 1993-05-25
5192630 Image transfer to diverse paper stocks 1993-03-09
5183723 Colored image on a degradable sheet material and method of formation Arthur E. Procter, Thomas A. Dunder 1993-02-02
5108868 Negative working, peel developable, single sheet color proofing method 1992-04-28
5100757 Method for forming a colored image on a degradable sheet material Arthur E. Proctor, Thomas A. Dunder 1992-03-31
5094931 Image transfer to diverse paper stocks 1992-03-10
5080996 Color proofing system having a graduated layer of resins with different solubilities 1992-01-14
5053310 Negative working diazo resin color proofing material comprising polyvinyl acetal/polyvinyl, alcohol/polyvinyl acetate resin 1991-10-01
5049476 Photopolymerizable, positive working, peel developable, single sheet color proofing system 1991-09-17
5039590 Coating positive or negative working color proofing system Gabor I. Koletar 1991-08-13
5008174 Color proofing system having a graduated layer of resins with different solubilities 1991-04-16
4999266 Protected color image on substrate with thermal adhesive and antiblocking overlayers Mehmet U. Yener, Stanley F. Wanat 1991-03-12
4948693 Positive working color proofing system comprising polyvinyl acetal/polyvinyl alcohol/polyvinyl acetate resin Richard L. Shadrach, Gabor I. Koletar 1990-08-14
4937168 Solid transfer negative- or positive-working color proofing method on diverse paper stocks 1990-06-26
4935331 Pigment transfer to photopolymerizable positive-working imaging system Stanley F. Wanat 1990-06-19
4910120 Preparation of receiver sheet materials for peel developable, single sheet color proofing system Timothy Hannigan 1990-03-20
4902594 Transferrable, thermoplastic, antiblocking/adhesive protecting layer for images 1990-02-20