John B. Sardisco

Person

Shreveport, LA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Production of phosphoric acid and additional products from phosphat...
- Patent number 4,479,923
- Issue date Oct 30, 1984
- Pennzoil Company
- John B. Sardisco
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Preparation of monocalcium phosphate and/or phosphoric acid from ph...
- Patent number 4,435,370
- Issue date Mar 6, 1984
- Pennzoil Company
- Dysart E. Holcomb
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Upgrading of phosphate ore
- Patent number 4,393,030
- Issue date Jul 12, 1983
- Pennzoil Company
- John B. Sardisco
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Production of phosphoric acid and additional products from phosphat...
- Patent number 4,393,032
- Issue date Jul 12, 1983
- Pennzoil Company
- Erhart K. Drechsel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of alkali metal sulfates
- Patent number 4,371,512
- Issue date Feb 1, 1983
- Pennzoil Company
- John B. Sardisco
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Decomposition of 2KCl.CuCl to produce cuprous chloride and potassiu...
- Patent number 4,343,781
- Issue date Aug 10, 1982
- Pennzoil Company
- John B. Sardisco
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of alkali metal products from alkali metal fluosilicate
- Patent number 4,328,196
- Issue date May 4, 1982
- Pennzoil Company
- John B. Sardisco
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Test kit for field analysis of plant tissue magnesium and calcium
- Patent number 4,303,610
- Issue date Dec 1, 1981
- Pennzoil Company
- John B. Sardisco
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for production of potassium sulfate and hydrochloric acid
- Patent number 4,268,492
- Issue date May 19, 1981
- Pennzoil Company
- John B. Sardisco
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Fluoride-free phosphate reactions
- Patent number 4,191,734
- Issue date Mar 4, 1980
- Pennzoil Company
- Erhart K. Drechsel
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Production of potassium polyphosphates from potassium silicofluorides
- Patent number 4,137,063
- Issue date Jan 30, 1979
- Pennzoil Company
- John B. Sardisco
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method of producing phosphoric acid and potassium dihydrogen phosph...
- Patent number 4,105,748
- Issue date Aug 8, 1978
- Pennzoil Company
- Erhart K. Drechsel
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Recovery of fluorides from gypsum
- Patent number 4,060,586
- Issue date Nov 29, 1977
- Pennzoil Company
- John B. Sardisco
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of producing fluoride-free phosphoric acid
- Patent number 4,055,626
- Issue date Oct 25, 1977
- Pennzoil Company
- Erhart Karl Drechsel
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Potassium phosphate manufacture
- Patent number RE29458
- Issue date Oct 25, 1977
- Pennzoil Company
- Erhart K. Drechsel
- 071 - Chemistry: fertilizers
Information Patent Grant
Production of potassium sulfate and hydrogen chloride
- Patent number 4,045,543
- Issue date Aug 30, 1977
- Pennzoil Company
- John B. Sardisco
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Manufacture of potassium sulfate
- Patent number 3,998,935
- Issue date Dec 21, 1976
- Pennzoil Company
- Ben E. Adams
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Preparation of phosphates
- Patent number 3,956,464
- Issue date May 11, 1976
- Pennzoil Company
- Erhart K. Drechsel
- C05 - FERTILISERS MANUFACTURE THEREOF

John B. Sardisco

Person

Patents Grantslast 30 patents

Production of phosphoric acid and additional products from phosphat...

Preparation of monocalcium phosphate and/or phosphoric acid from ph...

Upgrading of phosphate ore

Production of phosphoric acid and additional products from phosphat...

Production of alkali metal sulfates

Decomposition of 2KCl.CuCl to produce cuprous chloride and potassiu...

Production of alkali metal products from alkali metal fluosilicate

Test kit for field analysis of plant tissue magnesium and calcium

Process for production of potassium sulfate and hydrochloric acid

Fluoride-free phosphate reactions

Production of potassium polyphosphates from potassium silicofluorides

Method of producing phosphoric acid and potassium dihydrogen phosph...

Recovery of fluorides from gypsum

Method of producing fluoride-free phosphoric acid

Potassium phosphate manufacture

Production of potassium sulfate and hydrogen chloride

Manufacture of potassium sulfate

Preparation of phosphates