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John P. Riggs
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Berkeley Heights, NJ, US
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last 30 patents
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Patent Grant
Process for the surface modification of carbon fibers
Patent number
4,374,114
Issue date
Feb 15, 1983
Celanese Corporation
Sang N. Kim
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Patent Grant
Vertical pyrolysis furnace for use in the production of carbon fibers
Patent number
4,020,273
Issue date
Apr 26, 1977
Celanese Corporation
Robert Dix
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Patent Grant
Acrylic fiber conversion utilizing a stabilization treatment conduc...
Patent number
3,961,888
Issue date
Jun 8, 1976
Celanese Corporation
John P. Riggs
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...