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Los Angeles, CA, United States of America

Cyprus Metallurgical Processes Corporation

USPTO Granted Patents = 13

Forward Citations = 100

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14 inventors (with patents filed for the assignee):

Duane N Goens (3 out of 7 patents)

James E Reynolds (3 out of 21 patents)

Enzo L Coltrinari (2 out of 18 patents)

4. Robert K Johnson (2 out of 2 patents)

5. William G Kazel (2 out of 2 patents)

6. Mark A Peters (2 out of 4 patents)

7. Kartik A Narain (2 out of 2 patents)

8. Paul R Kruesi (1 out of 19 patents)

9. Wayne C Hazen (1 out of 12 patents)

10. Frank M Stephens, Jr (1 out of 17 patents)

11. Tom P Chen (1 out of 2 patents)

12. James C Blair (1 out of 2 patents)

13. Robert H Clark (1 out of 1 patent)

14. Joseph P Wilson (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 4341742 - Cuprous chloride production from chalcopyrite (1982-07-27),

2. 4236918 - Recovery of elemental sulfur and metal values from tailings from copper (1980-12-02),

3. 4192676 - High temperature reduction of copper salts (1980-03-11),

4. 4138248 - Recovery of elemental sulfur and metal values from tailings from copper (1979-02-06),

5. 4124379 - Recovery of silver from cuprous chloride solutions by amalgamation (1978-11-07),

6. 4101315 - Recovery of silver from cuprous chloride solutions by co-crystallization (1978-07-18),

7. 4039324 - Fluidized hydrogen reduction process for the recovery of copper (1977-08-02),

8. 4013457 - Process for the recovery of cuprous chloride in the presence of metal (1977-03-22),

9. 4011146 - Process for separation and recovery of metal values from sulfide ore (1977-03-08),

10. 3973949 - Zinc recovery by chlorination leach (1976-08-10),

11. 3957602 - Recovery of copper from chalcopyrite utilizing copper sulfate leach (1976-05-18),

12. 3939256 - Sulfur recovery process (1976-02-17),

13. 3930969 - Process for oxidizing metal sulfides to elemental sulfur using activated (1976-01-06),

Cyprus Metallurgical Processes Corporation specializes in providing metallurgical processing services. With a focus on quality and efficiency, we offer a range of solutions for the extraction, purification, and processing of metals. Our advanced technology and experienced team ensure that we meet the needs of our clients in various industries, from mining to manufacturing.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

13 Patents

#146 in Los Angeles, CA

#5,472 in California

#23,099 in US

#43,615 in the World

Los Angeles, CA, United States of America

Cyprus Metallurgical Processes Corporation

Forward Citations = 100

14 inventors:

Duane N Goens (3 out of 7 patents)

James E Reynolds (3 out of 21 patents)

Enzo L Coltrinari (2 out of 18 patents)

4. Robert K Johnson (2 out of 2 patents)

5. William G Kazel (2 out of 2 patents)

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