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For the Inventor, By the Inventor

Huntsville, AL, United States of America

Barry D Allan

USPTO Granted Patents = 12

Average Co-Inventor Count = 1.2

ph-index = 4

Forward Citations = 63(Granted Patents)


Company Filing History:

goldMedal12 out of 8,684 
 
US Government As Represented by the Secretary of the Army
 patents

Years Active: 1976-2004

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12 patents (USPTO):Explore Patents
1. 6737034 - Nitric acid production (2004-05-18),
2. 6165293 - Thixotropic IRFNA gel (2000-12-26),
3. 6063219 - Higher density inhibited red fuming nitric acid (IRFNA) oxidizer gel (2000-05-16),
4. 5394690 - Constant pressure, variable thrust bipropellant engine (1995-03-07),
5. 5247000 - Fiber optic adhesive (1993-09-21),
6. 5194112 - Method of applying a fiber optic adhesive to a fiber optic material (1993-03-16),
7. 4664730 - Tactical monopropellant (1987-05-12),
8. 4630683 - Afterburning reduction (1986-12-23),
9. 4600453 - Nitrate ester monopropellant (1986-07-15),
10. 4039360 - Gelled monomethylhydrazine thixotropic fuel (1977-08-02),
11. 4008170 - Dry water (1977-02-15),
12. 3989560 - Method of preparing gelled monomethylhydrazine (1976-11-02),

Title: The Innovations of Barry D. Allan in Nitric Acid Production and Thixotropic Gels

Introduction

Barry D. Allan is an accomplished inventor based in Huntsville, Alabama, known for his groundbreaking contributions to the field of chemical engineering. With a total of 12 patents to his name, Allan has focused on the development of innovative methods for producing nitric acid and advanced gel propellant systems. His work has significant implications for various applications, especially in the aerospace sector.

Latest Patents

Among his latest inventions, Allan developed a method for nitric acid production that involves converting inhibited red fuming nitric acid (IRFNA) and nitrogen tetraoxide into either dilute or concentrated nitric acid. This process effectively removes undesirable inhibitors, resulting in a pure nitric acid product suitable for further chemical reactions.

Additionally, Allan introduced a thixotropic oxidizer gel, which comprises inhibited red fuming nitric acid as the carrier, suspended with lithium nitrate and gelled using SiO₂. The gel exhibits tailored rheological properties, allowing it to be effectively combined with MICOM GEL—a gelled fuel known for its safety and performance in zero-gravity situations. This combination addresses crucial issues related to oxidizer/fuel (O/F) ratio stability, significantly enhancing the overall performance of propulsion systems.

Career Highlights

Allan's career is highlighted by his role with the United States Army, where he has focused on enhancing fuel technologies crucial for defense and aerospace applications. His patents not only reflect his innovative mindset but also the importance of his contributions to national security and technological advancement.

Collaborations

Throughout his career, Allan has worked alongside talented individuals such as Jerrold H. Arszman and William M. Chew. Their collaborative efforts have amplified the impact of their innovations in the field and contributed to the successful development of advanced propulsion materials.

Conclusion

Barry D. Allan's work embodies the spirit of innovation and advancement in chemical engineering, particularly in the creation of nitric acid and thixotropic gels. His patents are testament to his expertise and commitment to improving technological outcomes within the aerospace industry, solidifying his status as a key inventor in the field.

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