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Ronald J. Kumpfmiller
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Marietta, GA, US
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last 30 patents
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Patent Grant
Aqueous developable photosensitive polyurethane-methacrylate
Patent number
6,423,472
Issue date
Jul 23, 2002
MacDermid Graphic Arts, Inc.
Ronald James Kumpfmiller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous developable photosensitive polyurethane-methacrylate
Patent number
6,066,436
Issue date
May 23, 2000
Polyfibron Technologies, Inc.
Ronald James Kumpfmiller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Methods for off-contact imaging solid printing plates
Patent number
6,007,967
Issue date
Dec 28, 1999
Polyfibron Technologies, Inc.
Ronald James Kumpfmiller
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Solid-capped liquid photopolymer printing elements
Patent number
5,976,765
Issue date
Nov 2, 1999
Polyfibron Technologies, Inc.
Ronald J. Kumpfmiller
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Aqueous developable photosensitive polyurethane-(meth)acrylate
Patent number
5,554,712
Issue date
Sep 10, 1996
W. R. Grace & Co.-Conn.
Truc-Chi T. Huynh-Tran
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photosensitive compositions useful in three-dimensional part-buildi...
Patent number
5,418,112
Issue date
May 23, 1995
W. R. Grace & Co.-Conn.
Srinivas K. Mirle
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Photocurable composition comprising maleic anhydride adduct of poly...
Patent number
5,407,784
Issue date
Apr 18, 1995
W. R. Grace & Co.-Conn.
Arthur L. Berrier
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous developable photosensitive polyurethane-(meth)acrylate
Patent number
5,364,741
Issue date
Nov 15, 1994
W. R. Grace & Co.-Conn.
Truc-Chi T. Huynh-Tran
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous developable photosensitive polyurethane-(meth)acrylate
Patent number
5,328,805
Issue date
Jul 12, 1994
W. R. Grace & Co.-Conn.
Truc-Chi T. Huynh-Tran
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...