Company Filing History:

10 out of 73

Sherritt Gordon Mines Limited

Sherritt Gordon Limited

patents

Years Active: 1976-1998

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5711929 - Purification of elemental sulphur (1998-01-27),

2. 5403571 - Purification of elemental sulphur (1995-04-04),

3. 5380354 - Recovery of metals from sulphidic material (1995-01-10),

4. 4832925 - Recovery of zinc from zinc-containing sulphidic material (1989-05-23),

5. 4545963 - Process for separately recovering zinc and lead values from zinc and (1985-10-08),

6. 4505744 - Recovery of zinc from zinc containing sulphidic material (1985-03-19),

7. 4443253 - Recovery of zinc from zinc containing sulphidic materials (1984-04-17),

8. 4423007 - Removal of radium from aqueous sulphate solutions (1983-12-27),

9. 4406864 - Recovery of uranium from material containing iron, arsenic and siliceous (1983-09-27),

10. 4366128 - Removal of arsenic from aqueous solutions (1982-12-28),

11. 4272490 - Hydrometallurgical process for the treatment of ores (1981-06-09),

12. 4071421 - Process for the recovery of zinc (1978-01-31),

13. 3933973 - Treatment of lead sulphide bearing material (1976-01-20),

Title: The Innovative Contributions of Ian M Masters

Introduction

Ian M Masters is a notable inventor based in Fort, California, recognized for his significant contributions to the field of purification processes. With a total of 13 patents to his name, he has made strides in developing methods that enhance the quality and safety of elemental sulphur.

Latest Patents

One of his latest patents focuses on the purification of elemental sulphur. This innovative process involves removing mercury from contaminated elemental sulphur through liquid-liquid contact. By mixing the contaminated elemental sulphur in a molten state with an aqueous solution containing sulphide and polysulphide anions, the mercury contaminant is extracted into the aqueous sulphide solution. The process concludes with the separation of the aqueous sulphide solution containing the mercury contaminant from the molten elemental sulphur, resulting in a product that is substantially free from mercury.

Career Highlights

Throughout his career, Ian has worked with various companies, including Sherritt Gordon Mines Limited and 698638 Alberta Ltd. His experience in these organizations has contributed to his expertise in the field of purification processes.

Collaborations

Ian has collaborated with notable individuals in his field, including Donald R Weir and Michael E Chalkley. These partnerships have likely enriched his work and led to further advancements in his inventions.

Conclusion

Ian M Masters stands out as an influential inventor whose work in the purification of elemental sulphur has the potential to impact various industries. His dedication to innovation and collaboration continues to drive advancements in this essential field.

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