Assignee
OPENED JOINT STOCK COMPANY UNITED CHEMICAL COMPANY URALCHEM
RU·4 granted patents·1 pending application·5 citations·filing 2013–2013
Top patents by PatentIndex Score
5 records- 0178US9631258B2Methods for extracting rare-earth metals and preparing gypsum plaster from phosphogypsum hemihydrateOPENED JOINT STOCK COMPANY “UNITED CHEMICAL COMPANY URALCHEM”·Filed 2013·Granted Apr 25, 2017·4 cites·10 claims
- 0264US9896743B2Method for re-extraction of rare-earth metals from organic solutions and preparing concentrate of rare-earth metalsOPENED JOINT STOCK COMPANY “UNITED CHEMICAL COMPANY URALCHEM”·Filed 2013·Granted Feb 20, 2018·1 cites·4 claims
- 0347US10011891B2Methods for concentrating rare-earth metals in phosphogypsum and removing thereof from wet process phosphoric acidOPENED JOINT STOCK COMPANY “UNITED CHEMICAL COMPANY URALCHEM”·Filed 2013·Granted Jul 3, 2018·0 cites·2 claims
- 0447US9657371B2Methods for extracting rare-earth metals and preparing gypsum plaster from phosphogypsum hemihydrateOPENED JOINT STOCK COMPANY “UNITED CHEMICAL COMPANY URALCHEM”·Filed 2013·Granted May 23, 2017·0 cites·10 claims
- 0539US2016016798A1A method for purification of circulating leaching solutions from phosphates and fluoridesOPENED JOINT STOCK COMPANY UNITED CHEMICAL COMPANY URALCHEM·Filed 2013·Application pending·0 cites
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