logo

For the Inventor, By the Inventor

Pittsfield, MA, United States of America

Donald C Clagett

This inventor holds 14 USPTO granted patents. Top assignees: General Electric Company, W. R. Grace Co.. Active years: 1978-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald C Clagett. Retrieved from https://idiyas.com/inventor/donald-c-clagett

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

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 4

Forward Citations = 69(Granted Patents)


Location History:

  • Rensselaer, NY (US) (1987)
  • Lincoln, MA (US) (1978 - 1989)
  • Pittsfield, MA (US) (1989 - 1996)

Company Filing History:

goldMedal13 out of 52,387 
 
General Electric Company
 patents
silverMedal1 out of 853 
 
W. R. Grace Co.
 patents

Years Active: 1978-1996

Loading Chart...
14 patents (USPTO):Explore Patents
1. 5516855 - Amide-ester copolymers and process for the preparation thereof (1996-05-14),
2. 5346967 - Blends of thermoplastic polyester resins and amorphous polyamides (1994-09-13),
3. 5340885 - Amide-ester copolymers and process for the preparation thereof (1994-08-23),
4. 5280088 - Thermoplastic blends of a polyamide having low amine end-group (1994-01-18),
5. 5089600 - Amide-urea copolymer and process for the preparation thereof (1992-02-18),
6. 5070177 - Ultraviolet radiation resistant polyphthalatecarbonate resin (1991-12-03),
7. 5019641 - Polyamide from 1,3 propylene diamine and isophthalic acid compound (1991-05-28),
8. 4983718 - Color minimization during melt preparation of polyamides with (1991-01-08),
9. 4937130 - Polycarbonate container having internal layers of amorphous polyamide (1990-06-26),
10. 4918149 - Polyphthalatecarbonate/polycarbonate resin blends (1990-04-17),
11. 4876317 - Amide-urea copolymer and process for the preparation thereof (1989-10-24),
12. 4798874 - Thermoplastic blends comprising polycarbonate resin and amorphous (1989-01-17),
13. 4634760 - Novel copolyimides and polyamic acid precursors therefor (1987-01-06),
14. 4127124 - Urethane bioimplant membrane (1978-11-28),

Title: The Innovative Contributions of Donald C. Clagett

Introduction

Donald C. Clagett is a notable inventor based in Pittsfield, MA (US), recognized for his significant contributions to the field of polymer chemistry. With a total of 14 patents to his name, Clagett has made remarkable advancements in the development of copolymers and thermoplastic resins.

Latest Patents

Among his latest patents, Clagett has developed amide-ester copolymers and a process for their preparation. These copolymers, which comprise amide units and ester units, are created through the melt phase interchange of diaryl esters of dicarboxylic acids and diamines with dihydric alcohols and diesters of aromatic dicarboxylic acids. The resulting products are tough resins that serve as effective molding compounds and enhance the compatibility and toughness of other thermoplastic polymers. Another significant patent involves blends of thermoplastic polyester resins and amorphous polyamides. These thermoplastic resins exhibit enhanced solvent resistance, making them particularly useful for packaging and automotive parts. The blends consist of amorphous polyamides combined with thermoplastic polyester resins, which are substantially free of polyarylate, and they demonstrate excellent physical properties and barrier resistance to oxygen and carbon dioxide.

Career Highlights

Clagett has had a distinguished career, working with prominent companies such as General Electric Company and W. R. Grace & Co. His experience in these organizations has contributed to his expertise in polymer science and innovation.

Collaborations

Throughout his career, Clagett has collaborated with notable colleagues, including Sheldon J. Shafer and Louis M. Maresca. These collaborations have likely fostered an environment of creativity and innovation, leading to the development of his impactful patents.

Conclusion

Donald C. Clagett's contributions to polymer chemistry through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence the development of advanced materials that are essential in various industries.

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]
Loading…