Depressants for Mineral Ore Flotation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

SERIAL NO

15538471

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Depressants comprising a polymer comprising: a) recurring units of one or more acrylamide monomers; b) recurring units of one or more monomers selected from hydroxyalkyl alkylacrylate, allyloxyalkyldiol, allyloxyethanol, trimethylolpropane allyl ether, and 2-hydroxy ethyl acrylate; and optionally, c) recurring units of one or more acrylic acid monomers are provided. Also disclosed are processes for enriching a desired mineral from an ore comprising the desired mineral and gangue, wherein the process comprises carrying out a flotation process in the presence of one or more of the depressants.

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Patent Owner(s)

Patent OwnerAddress
KEMIRA OYJ00180 HELSINKI

International Classification(s)

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  • 2015 Application Filing Year
  • B03D Class
  • 80 Applications Filed
  • 64 Patents Issued To-Date
  • 80 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Durand, Jean Robert Atlanta, US 5 20
Moore, Lucas Dover, US 16 60
Yin, Xihui Atlanta, US 10 6

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Patent Citation Ranking

  • 1 Citation Count
  • B03D Class
  • 52.38 % this patent is cited more than
  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges119101 - 1011 - 2000.511.522.533.544.555.566.577.588.599.51010.51111.512

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