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For the Inventor, By the Inventor

Louisville, KY, United States of America

Bonnie Zepka

This inventor holds 9 USPTO granted patents. Top assignees: Hexion Specialty Chemicals, Inc., Momentive Specialty Chemicals Inc., Borden Chemical, Inc.. Active years: 2003-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Bonnie Zepka. Retrieved from https://idiyas.com/inventor/bonnie-zepka

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

USPTO Granted Patents = 9

% Patents Active = 66.7

Average Co-Inventor Count = 2.2

ph-index = 7

Forward Citations = 100(Granted Patents)


Company Filing History:

goldMedal5 out of 34 
 
Hexion Specialty Chemicals, Inc.
 patents
silverMedal2 out of 40 
 
Momentive Specialty Chemicals Inc.
 patents
bronzeMedal1 out of 70 
 
Borden Chemical, Inc.
 patents
4. 1 out of 834,513 
Other
 patents

Years Active: 2003-2012

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9 patents (USPTO):Explore Patents
1. 8241415 - Wax formulations for lignocellulosic products, methods of their manufacture and products formed therefrom (2012-08-14),
2. 8062478 - Gypsum wood fiber articles and methods of making same (2011-11-22),
3. 7696253 - Water-resistant additives for gypsum wood fiber products (2010-04-13),
4. 7563826 - Emulsions for lignocellulosic products, methods of their manufacture, improved lignocellulosic products and methods for their manufacture (2009-07-21),
5. 7488383 - Gypsum products and method for their manufacture (2009-02-10),
6. 7473713 - Additives for water-resistant gypsum products (2009-01-06),
7. 7473712 - Emulsions for composite materials (2009-01-06),
8. 6663707 - Water-resistant gypsum formulations (2003-12-16),
9. 6585820 - Water-resistant gypsum formulations (2003-07-01),

Title: The Innovative Contributions of Bonnie Zepka

Introduction

Bonnie Zepka is a notable inventor based in Louisville, KY (US), recognized for her significant contributions to the field of materials science. With a total of nine patents to her name, she has developed innovative solutions that enhance the properties of various products, particularly in the realm of lignocellulosic materials.

Latest Patents

Among her latest patents is a formulation for wax used in lignocellulosic products. This invention focuses on improving dimensional stability when these products are exposed to moisture. The wax formulations include a wax and a surface tension/interfacial tension reducing agent, which may consist of fluorinated compounds, alkylphenol alkoxylates, or ethoxylated acetylenic diols. Another significant patent involves gypsum wood fiber articles and methods of making them. This invention provides emulsions that impart water resistance to gypsum wood fiber products, utilizing a combination of waxes, alkyl phenols, surfactants, polynaphthalenesulfonic acid, and alkali metal hydroxides.

Career Highlights

Bonnie has worked with prominent companies such as Hexion Specialty Chemicals, Inc. and Momentive Specialty Chemicals Inc. Her experience in these organizations has allowed her to refine her expertise in chemical formulations and product development.

Collaborations

Throughout her career, Bonnie has collaborated with talented individuals, including Steven Joseph Wantling and Thomas Michael Donlon. These partnerships have contributed to her innovative work and the successful development of her patents.

Conclusion

Bonnie Zepka's contributions to the field of materials science through her patents demonstrate her commitment to innovation and improvement in product performance. Her work continues to influence the industry and inspire future advancements.

Profile summary based on public USPTO records.
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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