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For the Inventor, By the Inventor

Wilmington, DE, United States of America

August H Frazer

This inventor holds 13 USPTO granted patents. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1977-1986.

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 5

Forward Citations = 155(Granted Patents)


Company Filing History:

goldMedal13 out of 16,339 
 
E.i. Dupont De Nemours and Company
 patents

Years Active: 1977-1986

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13 patents (USPTO):Explore Patents
1. 4564705 - Bis(aminoneopentyl) aromatics (1986-01-14),
2. 4451642 - Bis(aminoneopentyl) aromatics and polyamides derived therefrom (1984-05-29),
3. 4399270 - Fiber-forming polyesters of ketodiols (1983-08-16),
4. 4398015 - Fiber-forming polyesters of aromatic ketohydroxy acids (1983-08-09),
5. 4371690 - Heat-resistant rigid polymers from difunctional (1983-02-01),
6. 4281106 - Heat-resistant, rigid polymers from difunctional (1981-07-28),
7. 4226970 - Polyesters derived from diketodiols and aromatic dicarboxylic acids and (1980-10-07),
8. 4161607 - Thermally stable, rigid bisphenols (1979-07-17),
9. 4130579 - Bis(2-methyl-2-cyanopropyl) aromatics (1978-12-19),
10. 4096341 - Thermally stable, rigid dibasic acids (1978-06-20),
11. 4085091 - Thermally stable, rigid polyesters from thermally stable, rigid dibasic (1978-04-18),
12. 4065432 - Thermally stable, rigid polyesters from aromatic dibasic acids and (1977-12-27),
13. 4065431 - Thermally stable, rigid polyesters from aromatic dibasic acids and (1977-12-27),

Title: August H. Frazer: Innovator in Thermally Stable Polymers

Introduction

August H. Frazer is a notable inventor based in Wilmington, DE (US), recognized for his contributions to the field of thermally stable polymers. He holds a total of 13 patents, showcasing his innovative spirit and dedication to advancing material science.

Latest Patents

Among his latest patents, Frazer has developed bis(aminoneopentyl) aromatics, which are aromatic-aliphatic diamines useful in preparing thermally stable, rigid polyamides, polyureas, and polyurethanes. These materials have a repeating unit that can be tailored for specific applications, enhancing their utility in various industries. The polymers derived from his inventions can be melt-spun into thermally stable fibers, further expanding their potential applications.

Career Highlights

Frazer is associated with E.I. DuPont de Nemours and Company, where he has made significant strides in polymer chemistry. His work has not only contributed to the company's portfolio but has also influenced the broader field of materials science.

Collaborations

Throughout his career, Frazer has collaborated with esteemed colleagues such as John F. Harris, Jr. and Burton C. Anderson. These partnerships have fostered innovation and have been instrumental in the development of new materials.

Conclusion

August H. Frazer's contributions to the field of thermally stable polymers highlight his role as a leading inventor. His innovative patents and collaborations continue to impact the industry positively.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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