US Patent No: 7,067,405

Number of patents in Portfolio can not be more than 2000

Atmospheric glow discharge with concurrent coating deposition

ALSO PUBLISHED AS: 20050020038

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Abstract

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A plasma is produced in a treatment space by diffusing a plasma gas at atmospheric pressure and subjecting it to an electric field created by two metallic electrodes separated by a dielectric material, a precursor material is mixed with the plasma, and a substrate film or web is coated by vapor deposition of the vaporized substance at atmospheric pressure in the plasma field. The deposited precursor is cured by electron-beam, infrared-light, visible-light, or ultraviolet-light radiation, as most appropriate for the particular material being-deposited. Plasma pre-treatment and post-treatment steps are used to enhance the properties of the resulting coated products. Similar results are obtained by atomizing and spraying the liquid precursor in the plasma field.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SIGMA LABORATORIES OF ARIZONA, LLCTUCSON, AZ29

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ellwanger, Richard E Tucson, AZ 13 135
Mikhael, Michael G Tucson, AZ 48 227
Yializis, Angelo Tucson, AZ 83 1437

Cited Art Landscape

Patent Info (Count) # Cites Year
 
UNIVERSITY OF TENNESSEE RESEARCH FOUNDATION (5)
5,387,842 Steady-state, glow discharge plasma 53 1993
5,456,972 Method and apparatus for glow discharge plasma treatment of polymer materials at atmospheric pressure 79 1993
5,403,453 Method and apparatus for glow discharge plasma treatment of polymer materials at atmospheric pressure 73 1993
5,414,324 One atmosphere, uniform glow discharge plasma 99 1993
5,669,583 Method and apparatus for covering bodies with a uniform glow discharge plasma and applications thereof 32 1994
 
EASTMAN KODAK COMPANY (4)
5,558,843 Near atmospheric pressure treatment of polymers using helium discharges 12 1994
5,714,308 Atmospheric pressure glow discharge treatment of polymeric supports to promote adhesion for photographic applications 7 1996
5,767,469 Near atmospheric pressure treatment of polymers using helium discharges 4 1996
5,789,145 Atmospheric pressure glow discharge treatment of base material for photographic applications 13 1996
 
SIGMA LABORATORIES OF ARIZONA, LLC (3)
6,118,218 Steady-state glow-discharge plasma at atmospheric pressure 42 1999
6,441,553 Electrode for glow-discharge atmospheric-pressure plasma treatment 9 2000
6,774,018 Barrier coatings produced by atmospheric glow discharge 8 2002
 
GCA Corporation (1)
4,496,423 Gas feed for reactive ion etch system 19 1983
 
GREENWICH PHARMACEUTICALS INCORPORATED (1)
6,060,453 Immunomodulatory, anti-inflammatory, and anti-proliferative compounds: 5,6-dideoxy, 5-amino derivatives of idose and 6-deoxy, 6-amino derivatives of glucose 3 1999
 
MORGAN CHEMICAL PRODUCTS, INC. (1)
5,508,368 Ion beam process for deposition of highly abrasion-resistant coatings 171 1994
 
Sando Iron Works Co., Ltd. (1)
4,507,539 Method for continuous treatment of a cloth with the use of low-temperature plasma and an apparatus therefor 30 1982
 
SEIKO EPSON CORPORATION (1)
5,753,886 Plasma treatment apparatus and method 30 1996
 
SEKISUI CHEMICAL CO., LTD. (1)
5,968,377 Treatment method in glow-discharge plasma and apparatus thereof 59 1997
 
Other [Check patent profile for assignment information] (1)
5,366,555 Chemical vapor deposition under a single reactor vessel divided into separate reaction regions with its own depositing and exhausting means 17 1993

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
SIGMA LABORATORIES OF ARIZONA, LLC (1)
7,300,859 Atmospheric glow discharge with concurrent coating deposition 1 2006

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