Stephen Zushma

This inventor holds 68 USPTO granted patents and 6 published patent applications and 3 EPO patents, primarily in Plasticizer Production (CPC class C07C). Top assignees: Exxonmobil Chemical Patents Inc., Exxonmobil Research and Engineering Company, Exxon Chemical Patents, Inc.. Active years: 1995-2020.

USPTO Granted Patents = 68 (Patent Applications = 6)

% Patents Active = 41.2

EPO Patents = 3 (Patent Applications = 12)

Average Co-Inventor Count = 4.7

ph-index = 10

Forward Citations = 367(Granted Patents)

Forward Citations (Not Self Cited) = 335(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

29 out of 3,335

Exxonmobil Chemical Patents Inc.

patents

21 out of 1,780

Exxonmobil Research and Engineering Company

patents

13 out of 1,415

Exxon Chemical Patents, Inc.

patents

4. 3 out of 4,227

Exxon Research and Engineering Company

patents

5. 1 out of 40

Exxonmobile Research and Engineering Company

patents

6. 1 out of 834,350

Other

patents

Years Active: 1995-2020

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Areas of Expertise:

Plasticizers

Lubricating Oils

Ester Compounds

Aromatic Acylation

Hydrocarbon Oxidation

Copolymers

Alkyl Aromatic

Succinimides

Molecular Sieves

High Viscosity Index

Indane Esters

Biphenyl Esters

68 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10662388 - Ester compounds, lubricating oil compositions containing same and processes for making same (2020-05-26),

2. 10364220 - Synthesis of succinimides and quaternary ammonium ions for use in making molecular sieves (2019-07-30),

3. 10351506 - Purified plasticizers, production and use (2019-07-16),

4. 10322991 - Selective aerobic oxidation of dimethylbiphenyls (2019-06-18),

5. 10287230 - Selective aerobic oxidation of dimethylbiphenyls (2019-05-14),

6. 10233403 - High viscosity index monomethyl ester lubricating oil base stocks and methods of making and use thereof (2019-03-19),

7. 10081593 - Alkyl aromatic hydroalkylation for the production of plasticizers (2018-09-25),

8. 10035762 - Synthesis of succinimides and quaternary ammonium ions for use in making molecular sieves (2018-07-31),

9. 9896570 - Indane and/or tetralin ester plasticizers, and blends therefrom (2018-02-20),

10. 9815767 - Alkyl aromatic hydroalkylation for the production of plasticizers (2017-11-14),

11. 9580571 - Aromatic acylation with cyclic anhydride for plasticizer production (2017-02-28),

12. 9556103 - Biphenyl esters, their production and their use in the manufacture of plasticizers (2017-01-31),

13. 9534104 - Plasticizer blends and use thereof (2017-01-03),

14. 9512296 - Aromatic acylation with cyclic anhydride for plasticizer production (2016-12-06),

15. 9422227 - Substituted naphthalenes as feedstock for plasticizer production (2016-08-23),

Title: Stephen Zushma: Pioneering Innovations in Lubricants and Chemical Synthesis

Introduction

Stephen Zushma, a prominent inventor based in Clinton, NJ, has made significant contributions to the fields of lubricants and chemical synthesis, holding an impressive 68 patents to his name. His innovative work has paved the way for advancements in lubricating oil compositions and the synthesis of essential chemical compounds.

Latest Patents

Among his latest patents, Zushma has developed ester compounds and lubricating oil compositions that incorporate these compounds. This innovation focuses on creating ester compounds derived from gamma-branched aliphatic alcohols, resulting in lubricating oil base stocks with outstanding lubricating properties, including an enhanced polarity. Furthermore, he has contributed to the synthesis of succinimides and quaternary ammonium ions, particularly through a novel method employing an iron catalyst. This inventive process facilitates the production of succinimide compounds, which are essential in the creation of molecular sieves.

Career Highlights

Stephen Zushma's professional journey has included significant tenure at renowned organizations, including ExxonMobil Chemical Patents Inc. and ExxonMobil Research and Engineering Company. His work within these institutions has allowed him to refine his expertise and contribute to numerous high-impact projects in chemical development and processing.

Collaborations

Throughout his career, Zushma has worked alongside distinguished coworkers such as Jihad Mohammed Dakka and Abhimanyu Onkar Patil. Their collaborative efforts have undoubtedly enhanced the innovative impact of their research, fostering an environment of shared knowledge and creativity.

Conclusion

Stephen Zushma stands out as a notable figure in the realm of chemical inventions, with a robust portfolio of patents that drive forward the functionalities of lubricants and efficient synthesis techniques. His ongoing contributions continue to influence various industries, marking him as an invaluable asset to innovation and chemical engineering.