For the Inventor, By the Inventor

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Houston, TX, United States of America

Occidental Chemical Company

USPTO Granted Patents = 11

Trademarks = 3

Forward Citations = 94

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16 inventors (with patents filed for the assignee):

Harold E Mills (6 out of 7 patents)

Ronald J Hirko (2 out of 2 patents)

F Michael Gragg (2 out of 2 patents)

4. Allen S Adams (2 out of 3 patents)

5. Francis M Sale (2 out of 3 patents)

6. Richard M Ramer (2 out of 3 patents)

7. David L Murdock (2 out of 4 patents)

8. John D Ellis (1 out of 8 patents)

9. Thomas E Richards (1 out of 3 patents)

10. James P Harvey (1 out of 2 patents)

11. Michael A Daigle (1 out of 2 patents)

12. James Self (1 out of 1 patent)

13. Fredrick M Gragg (1 out of 1 patent)

14. Melvin J Arbie (1 out of 1 patent)

15. John W Roy, Jr (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 4445926 - Process for blending phosphoric acids of differing impurity content (1984-05-01),

2. 4423015 - Process of producing defluorinated product from low BPL phosphate rock (1983-12-27),

3. 4376756 - Process for blending phosphoric acids of differing impurity content (1983-03-15),

4. 4313919 - Process for removing fine solids from phosphoric acid by vacuum (1982-02-02),

5. 4276270 - Start-up procedure in producing phosphoric acid by the hemihydrate (1981-06-30),

6. 4258008 - System for phosphoric acid production with decreased foaming (1981-03-24),

7. 4258007 - Feed system for phosphoric acid production with decreased foaming (1981-03-24),

8. 4243643 - Metallic ion removal from phosphoric acid (1981-01-06),

9. 4233281 - Recovery of hydrogen fluoride from metallic fluoride salts (1980-11-11),

10. 4171342 - Recovery of calcium fluoride from phosphate operation waste water (1979-10-16),

11. 4136199 - Metallic ion removal from phosphoric acid (1979-01-23),

Occidental Chemical Corporation (OxyChem) is a leading North American manufacturer of basic chemicals, vinyls and performance chemicals directly and through various affiliates (known collectively as OxyChem). Occidental Petroleum Corporation is the parent of Occidental Chemical Corporation. The company is headquartered in Dallas, Texas and operates in over 25 countries with more than 5,000 employees worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

11 Patents

#433 in Houston, TX

#1,690 in Texas

#26,694 in US

#50,190 in the World

Houston, TX, United States of America

Occidental Chemical Company

Forward Citations = 94

16 inventors:

Harold E Mills (6 out of 7 patents)

Ronald J Hirko (2 out of 2 patents)

F Michael Gragg (2 out of 2 patents)

4. Allen S Adams (2 out of 3 patents)

5. Francis M Sale (2 out of 3 patents)

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