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Frederick R. Hopf
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Parsippany, NJ, US
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last 30 patents
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Patent Grant
Sulfonated 2-(2'-hydroxyaryl)-2H-benzotriazoles and/or sulfonated a...
Patent number
5,190,565
Issue date
Mar 2, 1993
Allied-Signal Inc.
Morris B. Berenbaum
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Photochemical image process of positive photoresist element with ma...
Patent number
5,059,513
Issue date
Oct 22, 1991
Hoechst Celanese Corporation
Frederick R. Hopf
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sulfonated 2-(2'-hydroxyaryl)-2H-benzotriazoles and/or sulfonated a...
Patent number
4,990,623
Issue date
Feb 5, 1991
Morris B. Berenbaum
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for imparting stain resistance to fibers and to anti-staini...
Patent number
4,959,248
Issue date
Sep 25, 1990
Allied-Signal
Bryce C. Oxenrider
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
1,3 Disubstituted-5-diazobarbituric acids
Patent number
4,902,784
Issue date
Feb 20, 1990
Hoechst Celanese Corporation
Frederick R. Hopf
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Positive photoresist thermally stable compositions and elements hav...
Patent number
4,857,435
Issue date
Aug 15, 1989
Hoechst Celanese Corporation
Frederick R. Hopf
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Deep UV photoresist composition with 1,3-disubstituted-5-diazobarbi...
Patent number
4,735,885
Issue date
Apr 5, 1988
Allied Corporation
Frederick R. Hopf
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Etchable electrophotographic long-run printing plate and method of...
Patent number
4,457,992
Issue date
Jul 3, 1984
Allied Corporation
Himangshu R. Bhattacharjee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Thermally-stable, infrared-sensitive zinc oxide electrophotographic...
Patent number
4,418,135
Issue date
Nov 29, 1983
Allied Corporation
Karl W. Beeson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY