For the Inventor, By the Inventor

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Memphis, TN, United States of America

Buckman Laboratories, Inc.

USPTO Granted Patents = 29

Trademarks = 6

Forward Citations = 403

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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)

Core Competencies:

Ionene Polymers

Corrosion Control

Aminophosphonic Acids

Slime Control

Polymeric Quaternary Ammonium Compounds

Dimethylamide Compositions

Algae Growth Control

Pesticidal Compositions

Oil Recovery

High Molecular Polymers

Cationic Surfactants

Halogenated Esters

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 leader in specialty chemicals and innovative solutions, primarily serving the pulp and paper, water treatment, and leather industries. The company focuses on developing advanced technologies that enhance product performance and sustainability. With a commitment to research and development, Buckman leverages its expertise to create tailored solutions that address the unique challenges faced by its clients, fostering efficiency and environmental responsibility across various sectors.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Buckman Laboratories, Inc.

29 Patents

#27 in Memphis, TN

#112 in Tennessee

#11,615 in US

#22,530 in the World

Memphis, TN, United States of America

Buckman Laboratories, Inc.

Forward Citations = 403

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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