Membership
Tour
Register
Log in
Rolf Dessauer
Follow
Person
Greenville, DE, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Leuco dye-containing coating compositions
Patent number
7,462,443
Issue date
Dec 9, 2008
Hewlett-Packard Development Company, L.P.
Randall Orson Willard
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermal imaging elements having improved stability
Patent number
7,005,407
Issue date
Feb 28, 2006
E. I. Du Pont de Nemours and Company
Rolf Dessauer
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Non-photosensitive, thermally imageable element having improved roo...
Patent number
6,251,571
Issue date
Jun 26, 2001
E. I. Du Pont de Nemours and Company
Rolf Dessauer
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermally imageable monochrome digital proofing product with high c...
Patent number
5,858,583
Issue date
Jan 12, 1999
E. I. Du Pont de Nemours and Company
Rolf Dessauer
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Photosensitive leuco dye containing electrostatic master with print...
Patent number
4,945,020
Issue date
Jul 31, 1990
E. I. Du Pont de Nemours and Company
Richard J. Kempf
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photohardenable electrostatic master having improved backtransfer a...
Patent number
4,818,660
Issue date
Apr 4, 1989
E. I. Du Pont de Nemours and Company
Graciela B. Blanchet-Fincher
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Xeroprinting with photopolymer master
Patent number
4,732,831
Issue date
Mar 22, 1988
E. I. Du Pont de Nemours and Company
James Riesenfeld
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Dimers derived from unsymmetrical 2,4,5,-triphenylimidazole compoun...
Patent number
4,311,783
Issue date
Jan 19, 1982
E. I. Du Pont de Nemours and Company
Rolf Dessauer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dimers derived from unsymmetrical 2,4,5-triphenylimidazole compound...
Patent number
4,252,887
Issue date
Feb 24, 1981
E. I. Du Pont de Nemours and Company
Rolf Dessauer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photoimaging systems with cyclic hydrazides
Patent number
4,247,618
Issue date
Jan 27, 1981
E. I. Du Pont de Nemours and Company
Rolf Dessauer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Marking transfer sheets
Patent number
4,232,108
Issue date
Nov 4, 1980
E. I. Du Pont de Nemours and Company
Rolf Dessauer
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Marking transfer sheets and process
Patent number
4,207,102
Issue date
Jun 10, 1980
E. I. Du Pont de Nemours and Company
Rolf Dessauer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Universal product code marking composition containing a photosensit...
Patent number
4,029,506
Issue date
Jun 14, 1977
E. I. Du Pont de Nemours and Company
Rolf Dessauer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Leuco dye-containing coating compositions
Publication number
20050053870
Publication date
Mar 10, 2005
Randall Orson Willard
G11 - INFORMATION STORAGE
Information
Patent Application
Phthalocyanine precursors in infrared sensitive compositions
Publication number
20050053864
Publication date
Mar 10, 2005
Rolf Dessauer
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Thermal imaging elements having improved stability
Publication number
20040027445
Publication date
Feb 12, 2004
Rolf Dessauer
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS