ELECTRODEPOSITION OF CHROMIUM FROM TRIVALENT CHROMIUM USING MODULATED ELECTRIC FIELDS

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United States of America Patent

APP PUB NO 20130220819A1
SERIAL NO

13768285

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A layer of chromium metal is electroplated from trivalent chromium onto an electrically conducting substrate by immersing the substrate and a counter electrode in a electroplating bath and passing a modulated electric current between the electrodes. In one embodiment, the current contains pulses that are cathodic with respect to said substrate and in another embodiment the current contains pulses that are cathodic and pulses that are anodic with respect to said substrate. The cathodic pulses have a duty cycle greater than about 80%.

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Patent Owner(s)

Patent OwnerAddress
FARADAY TECHNOLOGY INC315 HULS DRIVE ENGLEWOOD OH 45315

International Classification(s)

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  • 2013 Application Filing Year
  • C25D Class
  • 481 Applications Filed
  • 415 Patents Issued To-Date
  • 86.28 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20132014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hall, Timothy Englewood, US 13 141
Kagajwala, Burhanuddin Dayton, US 6 58

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Patent Citation Ranking

  • 7 Citation Count
  • C25D Class
  • 12.89 % this patent is cited more than
  • 12 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges3314834835156211001 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +0102030405060708090100110120130140150160

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