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For the Inventor, By the Inventor

Georgetown, TX, United States of America

Robert A Grigsby, Jr

USPTO Granted Patents = 25

Average Co-Inventor Count = 2.5

ph-index = 10

Forward Citations = 330(Granted Patents)


Location History:

  • Georgetown, TX (US) (1984 - 1993)
  • Austin, TX (US) (1993)

Company Filing History:

goldMedal20 out of 3,161 
 
Texaco Inc.
 patents
silverMedal5 out of 276 
 
Texaco Chemical Company
 patents

Years Active: 1984-1993

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25 patents (USPTO):Explore Patents
1. 5241016 - Epoxy adhesives containing aminated, long chain monoepoxide capped (1993-08-31),
2. 5239041 - Hindered amines to slow down reactivity in producing rim elastomers (1993-08-24),
3. 5124426 - Sprayable polyurea elastomer made from reaction of isocyanate compound (1992-06-23),
4. 5106935 - Reaction injection molded elastomers prepared from amine terminated (1992-04-21),
5. 4992590 - Polyamines by amination of polyamino initiated polyoxyalkylene glycols (1991-02-12),
6. 4952732 - Mannich condensates of a substituted phenol and an alkylamine containing (1990-08-28),
7. 4806615 - Reaction injection molded elastomers prepared from amine terminated (1989-02-21),
8. 4742091 - Rim elastomer (1988-05-03),
9. 4732919 - Reaction injection molded elastomer made from a quasi-prepolymer of a (1988-03-22),
10. 4716193 - Reactive glass component in rim (1987-12-29),
11. 4714750 - Synthesis of products from polyoxyalkylene amines and (1987-12-22),
12. 4705814 - Reaction product of polyoxyalkylene polyamine and an aliphatic isocyanate (1987-11-10),
13. 4681965 - Phosphorus containing aromatic amino polyols (1987-07-21),
14. 4609684 - Rim products made from isatoic anhydride derivatives of polyoxyalkylene (1986-09-02),
15. 4609683 - Quasi-prepolymers from isatoic anhydride derivatives of polyoxyalkylene (1986-09-02),

Title: Robert A. Grigsby, Jr.: Innovator in Epoxy Adhesives and Polyurea Elastomers

Introduction

Robert A. Grigsby, Jr. is a prominent inventor based in Georgetown, Texas, recognized for his significant contributions to the field of adhesive technology. With an impressive portfolio of 25 patents, Grigsby has greatly influenced the development of epoxy resin adhesives and polyurea elastomers, showcasing his expertise and innovativeness in materials science.

Latest Patents

Among his latest inventions, Grigsby has developed epoxy adhesives containing aminated, long chain monoepoxide capped formulations. This innovative adhesive composition utilizes hindered amines to reduce reactivity, which is crucial in producing rim elastomers. The inventive process involves creating a hindered polyetherpolyamine by reacting a polyol with long chain alkyl epoxide, followed by amination of hydroxyl terminations to primary amine groups. This unique approach enhances the utility of the polyurea reaction injection molded (RIM) elastomers, allowing for prolonged shot or flow times, thus facilitating the production of larger parts using existing equipment.

Career Highlights

Grigsby has had a notable career, having worked with esteemed organizations such as Texaco Inc. and Texaco Chemical Company. His professional journey reflects a commitment to advancing adhesive technologies and polymer engineering, making him a valuable asset in the industry.

Collaborations

Throughout his career, Robert A. Grigsby has collaborated with esteemed colleagues, including George P. Speranza and Richard J. Dominguez. These collaborations have likely fostered a rich exchange of ideas and innovations, further contributing to his successes in patenting new technologies.

Conclusion

Robert A. Grigsby, Jr.'s innovative work in the field of epoxy adhesives and polyurea elastomers exemplifies the impact of dedicated inventors on technological advancement. With a robust portfolio of patents and collaborations with notable professionals, Grigsby's contributions continue to shape the landscape of adhesive technology, demonstrating the importance of innovation in industrial applications.

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