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Edward Clarence Chenevey
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North Plainfield, NJ, US
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Patents Grants
last 30 patents
Information
Patent Grant
high barrier transparent films
Patent number
5,672,426
Issue date
Sep 30, 1997
Hoechst Celanese Corp.
Subhash Makhija
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Blends of polybenzimidazoles and aromatic polyamides, aromatic poly...
Patent number
5,290,884
Issue date
Mar 1, 1994
Hoechst Celanese Corp.
Gordon W. Calundann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermo-oxidatively stabilized polybenzimidazole-containing articles
Patent number
5,277,981
Issue date
Jan 11, 1994
Hoechst Celanese Corp.
M. Ishaq Haider
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Condensation copolymers with sequenced mer structure
Patent number
5,256,760
Issue date
Oct 26, 1993
Hoechst Celanese Corp.
Michael J. Jaffe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fibers and fibrets from blends of polybezimidazoles and aromatic po...
Patent number
5,250,633
Issue date
Oct 5, 1993
Hoechst Celanese Corp.
Gordon W. Calundann
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for the production of biaxially oriented rigid rod heterocy...
Patent number
4,898,924
Issue date
Feb 6, 1990
Hoechst Celanese Corporation
Edward C. Chenevey
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for preparing shaped articles of rigid rod heterocyclic liq...
Patent number
4,606,875
Issue date
Aug 19, 1986
Celanese Corporation
Edward C. Chenevey
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for heat treating shaped articles of poly {[benzo(1,2-d:4,5...
Patent number
4,554,119
Issue date
Nov 19, 1985
Celanese Corporation
Edward C. Chenevey
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for preparing film of poly{[benzo(1,2-d:4,5-d')bisthiazole-...
Patent number
4,487,735
Issue date
Dec 11, 1984
Celanese Corporation
Edward C. Chenevey
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stable non-corrosive solution of polybenzimidazole suitable for use...
Patent number
4,321,182
Issue date
Mar 23, 1982
Celanese Corporation
Robert Davitt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the formation and recovery of poly(bisbenzimidazoenzoph...
Patent number
4,005,058
Issue date
Jan 25, 1977
Celanese Corporation
Edward C. Chenevey
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Production of stabilized non-burning acrylic fibers and films
Patent number
4,002,426
Issue date
Jan 11, 1977
Celanese Corporation
Edward Clarence Chenevey
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING