from sulfate-containing minerals

Patents Grantslast 30 patents

  • Information Patent Grant

    Recovery process

    • Patent number 10,450,630
    • Issue date Oct 22, 2019
    • Li-Technology Pty Ltd.
    • Gary Donald Johnson
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of alumina values from alunite ore

    • Patent number 4,618,480
    • Issue date Oct 21, 1986
    • Resource Technology Associates
    • Wayne W. Hazen
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for recovering aluminum from alunite

    • Patent number 4,230,678
    • Issue date Oct 28, 1980
    • Earth Sciences, Inc.
    • George J. Hartman
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for alunite treatment

    • Patent number 4,117,077
    • Issue date Sep 26, 1978
    • Gakif Zakirovich Nasyrov
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for reduction of alunite ore in aluminum recovery process

    • Patent number 4,093,700
    • Issue date Jun 6, 1978
    • Southwire Company
    • Kent W. Loest
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for recovering aluminum from alunite ore

    • Patent number 4,064,217
    • Issue date Dec 20, 1977
    • George J. Hartman
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for recovering aluminum from alunite

    • Patent number 4,057,611
    • Issue date Nov 8, 1977
    • Southwire Company
    • Larry D. Jennings
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Production of monobasic potassium phosphate by electrodialysis

    • Patent number 4,033,842
    • Issue date Jul 5, 1977
    • Southwire Company
    • Kent W. Loest
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Recovery of aluminum from alunite ore using acid leach to purify th...

    • Patent number 4,031,182
    • Issue date Jun 21, 1977
    • Southwire Company
    • Kent W. Loest
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Redox treatment of alunite ore

    • Patent number 4,029,737
    • Issue date Jun 14, 1977
    • Southwire Company
    • Douglas Stevens
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Production of monobasic potassium phosphate by ion exchange

    • Patent number 4,008,307
    • Issue date Feb 15, 1977
    • Southwire Company
    • Kent W. Loest
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for recovering aluminum from alunite

    • Patent number 3,996,334
    • Issue date Dec 7, 1976
    • Southwire Company
    • George J. Hartman
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for dehydrating ores

    • Patent number 3,996,333
    • Issue date Dec 7, 1976
    • Southwire Company
    • Philip M. Rooke
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method of producing alumina and potassium sulphate from alunite

    • Patent number 3,984,521
    • Issue date Oct 5, 1976
    • Gakif Zakirovich Nasyrov
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method of producing alumina and potassium sulphate form alunite

    • Patent number 3,983,211
    • Issue date Sep 28, 1976
    • Gakif Zakirovich Nasyrov
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3890425

    • Patent number 3,890,425
    • Issue date Jun 17, 1975
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3890426

    • Patent number 3,890,426
    • Issue date Jun 17, 1975
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3436176

    • Patent number 3,436,176
    • Issue date Apr 1, 1969
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2120840

    • Patent number 2,120,840
    • Issue date Jun 14, 1938
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2099360

    • Patent number 2,099,360
    • Issue date Nov 16, 1937
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1971319

    • Patent number 1,971,319
    • Issue date Aug 21, 1934
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1338428

    • Patent number 1,338,428
    • Issue date Apr 27, 1920
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1301394

    • Patent number 1,301,394
    • Issue date Apr 22, 1919
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1270266

    • Patent number 1,270,266
    • Issue date Jun 25, 1918
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1256605

    • Patent number 1,256,605
    • Issue date Feb 19, 1918
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1214991

    • Patent number 1,214,991
    • Issue date Feb 6, 1917
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1191104

    • Patent number 1,191,104
    • Issue date Jul 11, 1916
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1191105

    • Patent number 1,191,105
    • Issue date Jul 11, 1916
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1191106

    • Patent number 1,191,106
    • Issue date Jul 11, 1916
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1189254

    • Patent number 1,189,254
    • Issue date Jul 4, 1916
    • C01 - INORGANIC CHEMISTRY