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Philadelphia, PA, United States of America

Elf Atochem North America, Inc.

USPTO Granted Patents = 194

CIPO Patents = 2

Trademarks = 26

Forward Citations = 1,622

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169 inventors (with patents filed for the assignee):

Maher Y Elsheikh (23 out of 71 patents)

Jose A Sanchez (19 out of 38 patents)

Daryl L Stein (16 out of 19 patents)

4. Richard M Crooker (15 out of 24 patents)

5. Ronald E MacLeay (13 out of 69 patents)

6. John Distaso (12 out of 12 patents)

7. Terry N Myers (10 out of 26 patents)

8. Wayne Ranbom (9 out of 11 patents)

9. William D Honnick (9 out of 15 patents)

10. Emily C Bossert (9 out of 10 patents)

11. Kevin C Cannon (8 out of 12 patents)

12. Stanley R Sandler (7 out of 51 patents)

13. Jeffrey H Yen (6 out of 7 patents)

14. John A Wismer (5 out of 21 patents)

15. Michael J Lindstrom (5 out of 16 patents)

Core Competencies:

Heterogeneous Organotin Catalysts

Blowing Agent Blends

Metal Containing E-Coat Catalysts

Powder Coatings

Fluorination Catalysts

Nickel-Phosphorus Alloy Coatings

Thermoplastic Vinylidene Fluoride

Plant Desiccation Composition

Oxalic Acid Peroxide Compositions

Water in Oil Emulsions

Scorch Retardation Processes

Lithographic Ink

194 patents: Sort by Forward Citations

1. 6166235 - Heterogeneous organotin catalysts (2000-12-26),

2. 6162755 - Heterogeneous organotin catalysts (2000-12-19),

3. 6159346 - Inhibition of 141b decomposition (2000-12-11),

4. 615934 - Inhibition of 141b decomposition (2000-12-12),

5. 6156832 - Composition based on organotin maleates which can be used to stabilize (2000-12-05),

6. 6136877 - 142b/124 blowing agent blends (2000-10-24),

7. 6124510 - 1234ze preparation (2000-09-26),

8. 6124380 - Metal containing e-coat catalysts optionally with tin catalysts (2000-09-26),

9. 6120908 - Strengthening flat glass by edge coating (2000-09-19),

10. 6117917 - Blowing agent blends and use thereof (2000-09-12),

11. 6117914 - 142b/124 blowing agent blends (2000-09-12),

12. 6099624 - Nickel-phosphorus alloy coatings (2000-08-08),

13. 6083874 - Composition and method for plant desiccation (2000-07-04),

14. 6083627 - Powder coatings from mixtures of thermoplastic vinylidene fluoride based (2000-07-04),

15. 6074985 - Fluorination catalysts (2000-06-13),

Elf Atochem North America, Inc. is a global chemical company specializing in the manufacturing and distribution of a wide range of chemical products. With a focus on innovation and sustainable solutions, Elf Atochem North America offers products for various industries including agriculture, automotive, construction, and more. Visit their website for more information.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

194 Patents

#15 in Philadelphia, PA

#84 in Pennsylvania

#2,049 in US

#4,222 in the World

Philadelphia, PA, United States of America

Elf Atochem North America, Inc.

Forward Citations = 1,622

169 inventors:

Maher Y Elsheikh (23 out of 71 patents)

Jose A Sanchez (19 out of 38 patents)

Daryl L Stein (16 out of 19 patents)

4. Richard M Crooker (15 out of 24 patents)

5. Ronald E MacLeay (13 out of 69 patents)

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