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For the Inventor, By the Inventor

Norton, OH, United States of America

Herbert L Bullard

This inventor holds 9 USPTO granted patents. Top assignee: The Goodyear & Tire Rubber Company. Active years: 1976-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Herbert L Bullard. Retrieved from https://idiyas.com/inventor/herbert-l-bullard

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 = 100.0

Average Co-Inventor Count = 1.9

ph-index = 5

Forward Citations = 63(Granted Patents)


Location History:

  • Norton Village, OH (US) (1976 - 1981)
  • Norton, OH (US) (1982 - 1988)

Company Filing History:

goldMedal9 out of 7,061 
 
The Goodyear & Tire Rubber Company
 patents

Years Active: 1976-1988

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9 patents (USPTO):Explore Patents
1. 4794139 - Thixotropic thickening agent for aqueous systems (1988-12-27),
2. 4330655 - High softening point synthetic resin (1982-05-18),
3. 4281080 - Age resistant resin compositions containing anilino aryl acrylamide (1981-07-28),
4. 4230842 - Hydrocarbon resin (1980-10-28),
5. 4189547 - Hydrocarbon-derived resins of piperylene and methyl branched tertiary (1980-02-19),
6. 4153771 - Hydrocarbon resin prepared from antimony pentafluoride or ferric chloride (1979-05-08),
7. 4098983 - Hydrocarbon-derived resins of piperylene and methyl branched tertiary (1978-07-04),
8. 4010140 - Age resistant resin compositions and admixtures useful as adhesives (1977-03-01),
9. 3991137 - Synthetic resin of styrene, isobutylene and 1,3-butadiene (1976-11-09),

Title: The Innovations of Herbert L. Bullard

Introduction

Herbert L. Bullard is a notable inventor based in Norton Village, Ohio, recognized for his contributions to the field of synthetic materials. With a total of nine patents to his name, Bullard has made significant advancements in the development of thixotropic agents and synthetic resins.

Latest Patents

One of Bullard's latest inventions is a thixotropic thickening agent for aqueous systems. This invention focuses on a process for preparing a thixotropic thickening agent that is particularly useful for thickening water-reducible coatings. The agents are copolymers made from repeat units derived from methacrylic acid monomer, ethylacrylate monomer, and a water-soluble crosslinking agent. The crosslinking agents include ethylene glycol dimethacrylate and alkylene bisacrylamides, such as N,N'-methylene bisacrylamide. A neutralized two weight percent aqueous solution of these thixotropic thickening agents exhibits a Brookfield RVT viscosity ranging from 50 to 2000 centipoise (cps) when measured at 50 rpm using a number 3 spindle. Another significant patent involves a high softening point synthetic resin that is relatively soluble in low Kauri butanol solutions, showcasing Bullard's expertise in synthetic hydrocarbon resins.

Career Highlights

Bullard's career is marked by his association with The Goodyear Tire & Rubber Company, where he has contributed to various innovative projects. His work has not only advanced the company's product offerings but has also influenced the broader field of material science.

Collaborations

Throughout his career, Bullard has collaborated with notable colleagues, including Robert A. Osborn and Jennifer T. Braden. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Herbert L. Bullard's contributions to the field of synthetic materials and his innovative patents highlight his role as a significant inventor. His work continues to impact various industries, showcasing the importance of innovation in material science.

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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