POWDER COATING COMPOSITIONS FOR REDUCING FRICTION AND WEAR IN HIGH TEMPERATURE HIGH PRESSURE APPLICATIONS
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United States of America Patent
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Issued Date -
May 11, 2017
app pub date -
Nov 9, 2016
filing date -
Nov 9, 2015
priority date (Note) -
Published
status (Latency Note)
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Abstract
The invention provides a powder coating composition comprising of thermoplastic polymers, ceramic particles, and cermet particles for lowering the friction coefficient, and improving wear and corrosion resistance of coated surfaces in high-temperature, high-pressure, and corrosive environments. It also provides a method of coating application for improving adhesion of the coating to the substrate. The coating compositions are devoid of volatile organic solvents and can be applied on surfaces using thermal spraying, compression molding and other particle sintering approaches. A multilayer architecture consisting of an adhesive bottom layer and a non-adhesive, low friction top layer is disclosed. The coating can be used in oil and gas production and seawater injection.

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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
VETCO GRAY INC | 4424 WEST SAM HOUSTON PARKWAY NORTH SUITE 100 HOUSTON TX 77041 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Chojecki, Gregory S | Columbus, US | 1 | 1 |
Krishnan, Sitaraman | Potsdam, US | 19 | 110 |
Lebga-Nebane, Janice Losenge | Edmonton, CA | 1 | 1 |
Moosbrugger, John C | Potsdam, US | 2 | 1 |
Rasmussen, Don H | Canton, US | 5 | 112 |
Sankarasubramanian, Malavarayan | Potsdam, US | 13 | 17 |
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