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For the Inventor, By the Inventor

Newtown, PA, United States of America

R Peter Grant

This inventor holds 4 USPTO granted patents. Top assignee: Rohm and Haas Company. Active years: 1976-1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: R Peter Grant. Retrieved from https://idiyas.com/inventor/r-peter-grant

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 69(Granted Patents)


Company Filing History:

goldMedal4 out of 3,445 
 
Rohm and Haas Company
 patents

Years Active: 1976-1979

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4 patents (USPTO):Explore Patents
1. 4176101 - Melt strength improvement of PET (1979-11-27),
2. 4145466 - Melt strength improvement of PET (1979-03-20),
3. 4120833 - Modifiers for PVC foam, process for extruding modified PVC foam and (1978-10-17),
4. 3983296 - Modifiers for PVC foam, process for extruding modified PVC foam and (1976-09-28),

Title: The Innovative Contributions of R Peter Grant

Introduction

R Peter Grant is a distinguished inventor based in Newtown, PA, known for his impactful innovations in the field of polymer processing. With a total of four patents to his name, his work primarily focuses on enhancing the properties of poly(ethylene terephthalate) (PET), particularly in terms of melt strength and thermoplastic processing characteristics.

Latest Patents

Among his latest innovations, R Peter Grant has developed methods for improving the melt strength of PET. His patents disclose compositions and methodologies for enhancing the thermoplastic processing characteristics of PET in its amorphous form. These advancements contribute significantly to the material's performance and usability in various applications.

Career Highlights

R Peter Grant is associated with Rohm and Haas Company, a notable firm in the chemical industry. His contributions within this organization have established him as a leading figure in polymer innovation, specifically targeting the challenges faced in the processing of PET materials.

Collaborations

Throughout his career, R Peter Grant has collaborated with eminent coworkers such as John P Leslie and Constance A Lane. These collaborations have likely fostered a dynamic exchange of ideas and expertise, further driving innovation within their research endeavors.

Conclusion

R Peter Grant's work exemplifies the pivotal role that inventors play in advancing material science. His patents not only enhance the properties of PET but also pave the way for further innovations in thermoplastic processing. His contributions continue to have a lasting impact on the industry and the development of new polymer technologies.

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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