RH

Roderick D. Herdman

MA Macdermid Acumen: 2 patents #5 of 28Top 20%
Overall (All Time): #500,781 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10882756 Regeneration of etch solutions containing trivalent manganese in acid media 2021-01-05
10415148 Passivation of micro-discontinuous chromium deposited from a trivalent electrolyte Marc Mertens, Richard Tooth, Trevor Pearson, Terence Clarke 2019-09-17
9809899 Treatment for electroplating racks to avoid rack metallization Trevor Pearson, Roshan V. Chapaneri, Alison Hyslop 2017-11-07
9765437 Chromium alloy coating with enhanced resistance to corrosion in calcium chloride environments Stacey Handy, Trevor Pearson, Toshiyuki Yamamoto, Kotaro Ishiwata, Masahiro Hara +1 more 2017-09-19
9347144 Dark colored chromium based electrodeposits Roshan V. Chapaneri, Richard Tooth, Stacey Handy 2016-05-24
8273235 Dark colored chromium based electrodeposits Roshan V. Chapaneri, Richard Tooth, Stacey Handy 2012-09-25
7329334 Controlling the hardness of electrodeposited copper coatings by variation of current profile Trevor Pearson, Ernest Long, Alan Gardner 2008-02-12
7309411 Electrolyte media for the deposition of tin alloys and methods for depositing tin alloys Trevor Pearson 2007-12-18
7153408 Copper electroplating of printing cylinders Trevor Pearson 2006-12-26
7109375 Zinc and zinc alloy electroplating additives and electroplating methods Trevor Pearson, Anthony Rowan 2006-09-19