Richard C. Sheridan

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Sheffield, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Production of ammonium potassium polyphosphates
- Patent number 4,308,048
- Issue date Dec 29, 1981
- Tennessee Valley Authority
- Richard C. Sheridan
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Manufacture of purified diammonium phosphate
- Patent number 4,239,739
- Issue date Dec 16, 1980
- Tennessee Valley Authority
- Richard C. Sheridan
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of ammonium potassium polyphosphates
- Patent number T996001
- Issue date Jul 1, 1980
- Tennessee Valley Authority
- Richard C. Sheridan
- 071 - Chemistry: fertilizers
Information Patent Grant
Purification of phosphoric acid with oxalic acid
- Patent number 4,169,882
- Issue date Oct 2, 1979
- Tennessee Valley Authority
- Richard C. Sheridan
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of ammonium polyphosphates from melamine phosphates
- Patent number 4,017,589
- Issue date Apr 12, 1977
- Tennessee Valley Authority
- John F. McCullough
- C05 - FERTILISERS MANUFACTURE THEREOF