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Dreieich, DE
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last 30 patents
Information
Patent Grant
Tonable, photosensitive composition and process for making polychro...
Patent number
6,294,312
Issue date
Sep 25, 2001
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multiple color proof temporary supports, photopolymerizable materia...
Patent number
6,168,899
Issue date
Jan 2, 2001
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Monochrome and polychrome color proofs with low optical dot growth...
Patent number
6,083,608
Issue date
Jul 4, 2000
E. I. Du Pont de Nemours and Company
Bernhard Metzger
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Monochrome and polychrome color proofs with low optical dot growth...
Patent number
5,712,025
Issue date
Jan 27, 1998
E. I. Du Pont de Nemours and Company
Bernhard Metzger
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Monochrome and polychrome color proofs with low optical dot growth...
Patent number
5,635,284
Issue date
Jun 3, 1997
E. I. Du Pont de Nemours and Company
Bernhard Metzger
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for preparing multiple color proofs
Patent number
5,587,272
Issue date
Dec 24, 1996
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for forming solid objects utilizing viscosity reducible comp...
Patent number
5,474,719
Issue date
Dec 12, 1995
E. I. Du Pont de Nemours and Company
Roxy N. Fan
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for making images employing a toner which has a tackiness t...
Patent number
5,399,458
Issue date
Mar 21, 1995
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for creating a tacky tonable image surface through exposure...
Patent number
5,286,595
Issue date
Feb 15, 1994
E. I. Du Pont de Nemours and Company
Walter R. Hertler
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Solid imaging system using photohardening inhibition
Patent number
5,236,326
Issue date
Aug 17, 1993
E. I. Du Pont de Nemours and Company
Mario Grossa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Solid imaging system using photohardening inhibition
Patent number
5,175,077
Issue date
Dec 29, 1992
E. I. Du Pont de Nemours and Company
Mario Grossa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for the preparation of optical color filters
Patent number
5,147,743
Issue date
Sep 15, 1992
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of forming a three-dimensional object comprising additives i...
Patent number
5,128,235
Issue date
Jul 7, 1992
E. I. Du Pont de Nemours and Company
Eustathios Vassiliou
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Solid imaging method using photohardenable materials of self limiti...
Patent number
4,942,066
Issue date
Jul 17, 1990
E. I. Du Pont de Nemours and Company
Roxy N. Fan
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Solid imaging method utilizing photohardenable compositions of self...
Patent number
4,942,060
Issue date
Jul 17, 1990
E. I. Du Pont de Nemours and Company
Mario Grossa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Photosensitive composition for making repeatably tonable layers
Patent number
4,904,555
Issue date
Feb 27, 1990
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for reducing color cross-contamination during re-imaging of...
Patent number
4,716,095
Issue date
Dec 29, 1987
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for forming positive tonable images using a photosensitive...
Patent number
4,698,293
Issue date
Oct 6, 1987
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photopolymerizable mixture and recording material produced from it
Patent number
4,604,342
Issue date
Aug 5, 1986
E. I. Du Pont de Nemours and Company
Manfred A. J. Sondergeld
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative-toning imaging system with re-imaging capability using 4-(...
Patent number
4,604,340
Issue date
Aug 5, 1986
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for producing equidensity images using photohardenable mate...
Patent number
4,595,651
Issue date
Jun 17, 1986
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for improving the printing quality of photohardenable repro...
Patent number
4,539,287
Issue date
Sep 3, 1985
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for producing photohardenable reproduction materials
Patent number
4,361,642
Issue date
Nov 30, 1982
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive nonsilver washout systems containing dihydropyridines and...
Patent number
4,271,260
Issue date
Jun 2, 1981
E. I. Du Pont de Nemours and Company
Werner Abele
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative tonable systems containing dihydropyridines and photooxidants
Patent number
4,243,741
Issue date
Jan 6, 1981
E. I. Du Pont de Nemours and Company
Werner Abele
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image reproduction process using a negative tonable photohardenable...
Patent number
4,238,561
Issue date
Dec 9, 1980
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative tonable photohardenable element
Patent number
4,203,770
Issue date
May 20, 1980
E. I. Du Pont de Nemours and Company
Mario Grossa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY