Assignee
U S OF AMERICA TVA
7 granted patents·140 citations·filing 1977–1979
Top patents by PatentIndex Score
7 records- 0189US4213924AGranulation and coating by improved method of heat removalU S OF AMERICA TVA·Filed 1978·Granted Jul 22, 1980·47 cites·7 claims
- 0284US4180545AUranium recovery from wet-process phosphoric acidU S OF AMERICA TVA·Filed 1977·Granted Dec 25, 1979·32 cites·5 claims
- 0371US4238459AChemical beneficiation of phosphatic limestone and phosphate rock with α-hydroxysulfonic acidsU S OF AMERICA TVA·Filed 1979·Granted Dec 9, 1980·15 cites·2 claims
- 0468US4152402APartial purification of wet-process phosphoric acid with acetone and ammoniaU S OF AMERICA TVA·Filed 1978·Granted May 1, 1979·18 cites·8 claims
- 0565US4217128AProduction of urea-ammonium polyphosphates from urea phosphateU S OF AMERICA TVA·Filed 1979·Granted Aug 12, 1980·11 cites·3 claims
- 0660US4239739AManufacture of purified diammonium phosphateU S OF AMERICA TVA·Filed 1979·Granted Dec 16, 1980·12 cites·4 claims
- 0739US4169882APurification of phosphoric acid with oxalic acidU S OF AMERICA TVA·Filed 1978·Granted Oct 2, 1979·5 cites·4 claims
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