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For the Inventor, By the Inventor

Newark, DE, United States of America

John C Harrington

USPTO Granted Patents = 9 


 

Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 85(Granted Patents)


Location History:

  • Canfield, OH (US) (1980)
  • Jacksonville, FL (US) (2007 - 2009)
  • Newark, DE (US) (2012 - 2020)

Company Filing History:

goldMedal5 out of 1,197 
 
Hercules Corporation
 patents
silverMedal3 out of 109 
 
Solenis Technologies, L.p.
 patents
where one patent can have more than one assignee

Years Active: 1980-2020

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9 patents (USPTO):Explore Patents
1. 10876254 - Chemical efficiency increase in papermaking process (2020-12-29),
2. 9873982 - Method of increasing drainage performance of a pulp slurry during manufacture of paper products, and products therefrom (2018-01-23),
3. 8932433 - Retention and drainage in the manufacture of paper (2015-01-13),
4. 8308902 - Retention and drainage in the manufacture of paper (2012-11-13),
5. 7615135 - Retention and drainage aids (2009-11-10),
6. 7507781 - Anionic copolymers prepared in an inverse emulsion matrix (2009-03-24),
7. 7429625 - Inversion of inverse emulsion polymers (2008-09-30),
8. 7250448 - Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions (2007-07-31),
9. D256963 - Clip on pen and pencil holder (1980-09-23),

Title: Innovations by John C. Harrington: A Pioneer in Papermaking Technology

Introduction

John C. Harrington is an esteemed inventor based in Newark, DE, with an impressive portfolio of eight patents. His contributions primarily focus on enhancing the efficiency of papermaking processes, showcasing his dedication to innovation in the field.

Latest Patents

Harrington's recent innovations include a patented method for increasing chemical efficiency in the papermaking process. This method involves utilizing thick stock pulp containing soluble lignin and cellulosic fiber, along with the addition of laccase enzymes and organic polymers to optimize chemical additives. Another significant patent pertains to improving drainage performance in pulp slurries during paper manufacturing. In this method, he introduces microfibrillated cellulose and various polymers to enhance the dewatering process preceding the formation of fibrous mats.

Career Highlights

Throughout his career, John C. Harrington has worked with notable companies such as Hercules Corporation and Solenis Technologies, L.P. His experience in these leading organizations has equipped him with valuable insights and expertise in the papermaking industry.

Collaborations

Harrington has collaborated with several talented individuals, including Fushan Zhang and Robert Alan Gelman. Their collective efforts have contributed significantly to the advancements in papermaking technologies.

Conclusion

With his innovative patents and collaborations, John C. Harrington continues to make a substantial impact on the papermaking industry. His work exemplifies the essence of innovation and the importance of continuous improvement in manufacturing processes.

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