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Memphis, TN, United States of America

Buckman Laboratories, Inc.

USPTO Granted Patents = 29

Trademarks = 10

Forward Citations = 402

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22 inventors (with patents filed for the assignee):

John D Pera (18 out of 28 patents)

Joseph G Fenyes (11 out of 16 patents)

Stanley J Buckman (7 out of 7 patents)

4. John D Buckman (7 out of 7 patents)

5. Gerald D Mercer (4 out of 4 patents)

6. Betty S Johnson (3 out of 3 patents)

7. Oscar W May (3 out of 4 patents)

8. Miguel L Pulido (2 out of 4 patents)

9. Kenneth J Flanagan (2 out of 2 patents)

10. Robert H Buckman (2 out of 2 patents)

11. Philip M Hoekstra (2 out of 2 patents)

12. S Rao Rayudu (1 out of 21 patents)

13. Lester A Wienert (1 out of 1 patent)

14. Michael L Mishler (1 out of 1 patent)

15. Rudolf F Lang (1 out of 1 patent)

29 patents: Sort by Forward Citations

1. D311875 - Pitch tester (1990-11-06),

2. 4851532 - Ionene polymeric compositions, their preparation and use (1989-07-25),

3. 4671934 - Aminophosphonic acid/phosphate mixtures for controlling corrosion of (1987-06-09),

4. 4650866 - Process of preparing 1-methyl-3,5,7-triaza-1-azoniatricyclodecane halides (1987-03-17),

5. 4650808 - Synergistic compositions containing hydroxypropyl methanethiolsulfonate (1987-03-17),

6. 4581058 - Polymeric quaternary ammonium compounds and their uses (1986-04-08),

7. 4506081 - Polymeric quaternary ammonium compounds and their uses (1985-03-19),

8. 4505831 - Method of preservation of aqueous systems by addition to said systems of (1985-03-19),

9. 4425186 - Dimethylamide and cationic surfactant debonding compositions and the use (1984-01-10),

10. 4374040 - Aminoalkylenephosphonic acids and salts thereof and their use in aqueous (1983-02-15),

11. 4293559 - Slime control compositions and methods of using the same (1981-10-06),

12. 4285765 - Slime control compositions and methods of using the same (1981-08-25),

13. 4268403 - Oil recovery using a dimethylamide in a fluid carrier (1981-05-19),

14. 4250269 - Water-soluble mixtures of quaternary ammonium polymers, nonionic and/or (1981-02-10),

15. 4243524 - Aminoalkylenephosphonic acids and salts thereof and their use in aqueous (1981-01-06),

Buckman Laboratories, Inc. is a global specialty chemical company that provides innovative solutions for water treatment, pulp and paper, oil and gas, and other industrial processes. With a history dating back to 1945, Buckman has become a trusted partner for industries worldwide, offering sustainable and cost-effective solutions to improve process efficiency, enhance product quality, and ensure environmental sustainability.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

29 Patents

#22 in Memphis, TN

#106 in Tennessee

#11,219 in US

#21,844 in the World

Memphis, TN, United States of America

Buckman Laboratories, Inc.

Forward Citations = 402

22 inventors:

John D Pera (18 out of 28 patents)

Joseph G Fenyes (11 out of 16 patents)

Stanley J Buckman (7 out of 7 patents)

4. John D Buckman (7 out of 7 patents)

5. Gerald D Mercer (4 out of 4 patents)

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