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For the Inventor, By the Inventor

Sudbury, MA, United States of America

Russell B Hodgdon

USPTO Granted Patents = 16

Average Co-Inventor Count = 1.7

ph-index = 13

Forward Citations = 449(Granted Patents)


Location History:

  • Concord, MA (US) (1992 - 1994)
  • Harwich, MA (US) (1996)
  • Sudbury, MA (US) (1978 - 1997)

Company Filing History:

goldMedal15 out of 125 
 
Ionics, Inc.
 patents
silverMedal1 out of 1 
 
Ionics, Incorported
 patent

Years Active: 1978-1997

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16 patents (USPTO):Explore Patents
1. 5616249 - Nanofiltration apparatus and processes (1997-04-01),
2. 5510394 - High ionic conductance ion exchange membranes and their preparation (1996-04-23),
3. 5284879 - High ion exchange capacity polyelectrolytes having high crosslink (1994-02-08),
4. 5264125 - Process for manufacturing continuous supported ion selective membranes (1993-11-23),
5. 5194189 - Process for manufacturing continuous, supported polymeric sheet from (1993-03-16),
6. 5152901 - Polyamine-polyamide composite nanofiltration membrane for water softening (1992-10-06),
7. 5145618 - Process for manufacturing continuous supported ion selective membranes (1992-09-08),
8. 5137925 - Aliphatic anion exchange polymeric membranes having improved resistance (1992-08-11),
9. 5118717 - High ion exchange capacity polyelectrolytes having high crosslink (1992-06-02),
10. 5056996 - Apparatus for manufacturing continuous, supported polymeric sheets from (1991-10-15),
11. 4851100 - Novel bipolar membranes and process of manufacture (1989-07-25),
12. 4505797 - Ion-exchange membranes reinforced with non-woven carbon fibers (1985-03-19),
13. 4374206 - Synthesis of base-stable aliphatic anion exchange polymers (1983-02-15),
14. 4231855 - Electrodialysis membranes of high interstitial molality based upon (1980-11-04),
15. 4191811 - Ion exchange membranes based upon polyphenylene sulfide and fluorocarbon (1980-03-04),

Title: Innovations by Russell B. Hodgdon: A Pioneer in Nanofiltration Technology

Introduction

Russell B. Hodgdon is a notable inventor hailing from Sudbury, Massachusetts, who has made significant contributions to the field of nanofiltration technology. With a remarkable portfolio of 16 patents, Hodgdon's innovative work focuses on developing advanced filtration apparatus and processes that enhance the efficiency and effectiveness of ion exchange membranes.

Latest Patents

Hodgdon's recent patents include breakthrough technologies centered on nanofiltration. One of his latest inventions, titled "Nanofiltration Apparatus and Processes," discusses an improved apparatus utilizing thin film composite asymmetric nanofiltration membranes. This innovative design features a semi-permeable barrier layer primarily composed of aliphatic polymers, crafted through the interfacial polymerization of specific aliphatic monomers. The resulting thin film constructs are notably linked by amide linkages, enhancing their overall performance.

Another notable patent is for "High Ionic Conductance Ion Exchange Membranes and Their Preparation." This work reveals interesting findings regarding the absorption of polymerizable monomers, which are crucial for creating interpolymer membranes with desirable ion exchange properties. Importantly, Hodgdon elucidates how the incorporation of a predetermined amount of plasticizer can significantly improve the absorption of these monomers, eventually leading to enhanced film properties.

Career Highlights

Throughout his career, Hodgdon has been associated with prominent organizations such as Ionics, Inc. and Ionics Incorporated. His tenure at these companies has seen him apply his inventive skills to develop cutting-edge filtration technologies, contributing to advancements in water purification and various other applications.

Collaborations

Russell B. Hodgdon worked alongside distinguished colleagues, including Samuel S. Alexander and Russell James MacDonald. These collaborations have fostered an environment of innovation, allowing Hodgdon to further refine his ideas and bring impactful technologies to fruition.

Conclusion

Russell B. Hodgdon’s contributions to nanofiltration technology underscore a commitment to pushing the boundaries of innovation. His 16 patents demonstrate a profound understanding of materials science and engineering, particularly in creating effective filtration systems. As his work continues to evolve, Hodgdon remains a pivotal figure in the advancement of new technologies that address critical challenges in various industries.

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