Forward Citations = 49

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5 inventors (with patents filed for the assignee):

John James MacGregor (3 out of 6 patents)

Douglas S Flett (1 out of 2 patents)

John Blunden Payne (1 out of 5 patents)

4. Joseph G Day (1 out of 7 patents)

5. John Hill (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 4451290 - Recovery of platinum group metals from scrap and residues (1984-05-29),

2. 4210625 - Process for separating cobalt and nickel by solvent extraction (1980-07-01),

3. 4162950 - Treatment of effluents (1979-07-31),

4. 4127458 - Treatment of effluents (1978-11-28),

5. 3979207 - Refining of noble group metals (1976-09-07),

6. 3967956 - Separation of noble metals (1976-07-06),

Matthey Rustenburg Refiners (Pty) Ltd is a leading producer of precious metal products in South Africa. With over 100 years of experience in the industry, we specialize in refining and recycling precious metals such as gold, silver, platinum, and palladium. Our state-of-the-art facilities and advanced technologies allow us to deliver high-quality products and services to our customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

6 Patents

#16 in Johannesburg

#68 in South Africa

Johannesburg, South Africa

Matthey Rustenburg Refiners (Proprietary)