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Philadelphia, PA, United States of America

Atochem North America, Inc.

Calculating rank

USPTO Granted Patents = 95

CIPO Patents = 2

Trademarks = 6

Forward Citations = 899

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105 inventors (with patents filed for the assignee):

Ronald E MacLeay (12 out of 69 patents)

Terry N Myers (9 out of 26 patents)

Joseph M Bohen (8 out of 26 patents)

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

5. Joseph Silbermann (6 out of 18 patents)

6. Michael T Burchill (5 out of 15 patents)

7. James L Reilly (5 out of 10 patents)

8. Maher Y Elsheikh (4 out of 71 patents)

9. Jose A Sanchez (4 out of 38 patents)

10. Michael J Lindstrom (3 out of 16 patents)

11. James P King (3 out of 29 patents)

12. Michael S Bolmer (3 out of 12 patents)

13. Robert T Kazmierczak (3 out of 9 patents)

14. Kyung T Park (3 out of 20 patents)

15. Gerald H Reifenberg (3 out of 7 patents)

Core Competencies:

Polymer Stabilizers

UV Stabilizers

Flame Retardants

Surface Modification

Hindered Amine Light Stabilizers

Organotin Compounds

Chemical Treatments

Antioxidant Compositions

Piezoelectric Structures

Agricultural Waste Treatment

Polymeric Compositions

Reactive Intermediates

95 patents: Sort by Forward Citations

1. 5449842 - Gas phase process for the production of 1,1-dichloro-1-fluoroethane (1995-09-12),

2. 5169688 - Antistatic surface modification of PVC (1992-12-08),

3. 5166573 - Ultrasonic contact transducer and array (1992-11-24),

4. 5164226 - Process for surface modification of polymer articles (1992-11-17),

5. 5153859 - Laminated piezoelectric structure and process of forming the same (1992-10-06),

6. 5140940 - Apparatus for depositing a metal-oxide coating on glass articles (1992-08-25),

7. 5136976 - Method and means for controlled-profile coating of glass containers (1992-08-11),

8. 5136202 - Material sensor (1992-08-04),

9. 5135659 - Agricultural waste water treatment (1992-08-04),

10. 5122394 - Apparatus for coating a substrate (1992-06-16),

11. 5117051 - Preparation of alkanedisulfonic acids (1992-05-26),

12. 5116976 - Hindered amine light stabilizer hydrazides (1992-05-26),

13. 5114426 - Chemical stonewash methods for treating fabrics (1992-05-19),

14. H001055 - Thermal energy coagulation and washing of latex particles (1992-05-04),

15. 5110634 - Process for making a surface modified polymer article (1992-05-05),

Company Overview

Atochem North America, Inc. is a prominent player in the field of polymer stabilizers, specializing in the development and manufacturing of advanced chemical solutions. The company focuses on a range of core technologies, including UV stabilizers, flame retardants, and antioxidant compositions, which enhance the durability and performance of various materials. Headquartered in Philadelphia, PA, Atochem serves diverse industries by providing innovative chemical treatments and surface modification solutions that meet the evolving needs of its clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

95 Patents

#20 in Philadelphia, PA

#153 in Pennsylvania

#3,940 in US

#8,111 in the World

Philadelphia, PA, United States of America

Atochem North America, Inc.

Forward Citations = 899

105 inventors:

Ronald E MacLeay (12 out of 69 patents)

Terry N Myers (9 out of 26 patents)

Joseph M Bohen (8 out of 26 patents)

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

5. Joseph Silbermann (6 out of 18 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Atochem North America, Inc.. Retrieved from https://idiyas.com/company/atochem-north-america

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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