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Chicago, IL, United States of America

The C.p. Hall Company

USPTO Granted Patents = 30

Trademarks = 1

Forward Citations = 570

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25 inventors (with patents filed for the assignee):

Craig Alan Bonda (16 out of 64 patents)

Gary Wentworth (9 out of 18 patents)

Peter J Marinelli (7 out of 8 patents)

4. Yin Z Hessefort (6 out of 15 patents)

5. Jagdish Trivedi (6 out of 6 patents)

6. Vincent P Kuceski (6 out of 6 patents)

7. Steven P Hopper (5 out of 12 patents)

8. Kimberly L Stefanisin (4 out of 12 patents)

9. Stephen O'Rourke (3 out of 13 patents)

10. Urvil B Shah (3 out of 8 patents)

11. John English (3 out of 7 patents)

12. Anna Pavlovic (2 out of 30 patents)

13. Leslie Patrick Mullin, Iii (2 out of 2 patents)

14. Thomas A Zillner (2 out of 2 patents)

15. James A Nowak (2 out of 4 patents)

30 patents: Sort by Forward Citations

1. 6969737 - Adhesion promoter for cord-reinforced rubber and metal or polymer substrate/rubber composites (2005-11-29),

2. 6926887 - Photostabilizers, UV absorbers, and methods of photostabilizing a sunscreen composition (2005-08-09),

3. 6890521 - Photostabilization of a sunscreen composition with low levels of an α-cyano-β, β-diphenylacrylate (2005-05-10),

4. 6884832 - Adhesion promoter for cord-reinforced rubber and metal or polymer substrate/rubber composites (2005-04-26),

5. 6858664 - Liquid adhesion promoter for cord-reinforced rubber and metal or polymer substrate/rubber composites (2005-02-22),

6. 6800274 - Photostabilizers, UV absorbers, and methods of photostabilizing a sunscreen composition (2004-10-05),

7. 6770270 - Methods of making and selling a sunscreen composition (2004-08-03),

8. 6740763 - Thin-film epoxidation of an unsaturated oil or alkyl fatty acid ester (2004-05-25),

9. 6734315 - Thin-film epoxidation of an unsaturated oil or alkyl fatty acid ester (2004-05-11),

10. 6537529 - Sunscreen compositions and methods and materials for producing the same (2003-03-25),

11. 6485713 - Sunscreen compositions and methods and materials for producing the same (2002-11-26),

12. 6355261 - Ultraviolet radiation absorbing waxes useful in cosmetic compositions (2002-03-12),

13. 6350894 - STABLE SUNSCREEN COMPOSITION CONTAINING DIBENZOYLMETHANE DERIVATIVE, E.G., PARSOL 1789, AND C12, C16, C18 BRANCHED CHAIN HYDROXYBENZOATE AND/OR C12, C16 BRANCHED CHAIN BENZOATE STABILIZERS/SOLUBILIZERS (2002-02-26),

14. 6284916 - Diesters of naphthalene dicarboxylic acid (2001-09-04),

15. 6180091 - Compositions containing diesters or polyesters of naphthalene dicarboxylic acid and methods for imparting hair gloss and to provide hair color and hair dye stabilization (2001-01-30),

The C.P. Hall Company is a leading global provider of specialty chemical products and technical expertise. With over 100 years of experience, we serve a wide range of industries including coatings, plastics, personal care, and more. We offer a broad portfolio of high-quality additives, resins, polymers, and custom formulations to meet the unique needs of our customers. Our commitment to innovation, sustainability, and customer service has made us a trusted partner in the chemical industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

30 Patents

#137 in Chicago, IL

#585 in Illinois

#10,859 in US

#21,180 in the World

Chicago, IL, United States of America

The C.p. Hall Company

Forward Citations = 570

25 inventors:

Craig Alan Bonda (16 out of 64 patents)

Gary Wentworth (9 out of 18 patents)

Peter J Marinelli (7 out of 8 patents)

4. Yin Z Hessefort (6 out of 15 patents)

5. Jagdish Trivedi (6 out of 6 patents)

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