John Ugelstad

USPTO Granted Patents = 14 (Patent Applications = 1)

Average Co-Inventor Count = 2.0

ph-index = 12

Forward Citations = 640(Granted Patents)

Location History:

late of Trondheim, NO (2001)
Trondheim, NO (1978 - 2016)

Company Filing History:

Sintef (selskapet for Industriell Og Teknisk Forskning Ved Nth)

6. 1 out of 832,680

Other

patents

Years Active: 1978-2016

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9309368 - Process for the preparation of monodisperse polymer particles (2016-04-12),

2. 8658733 - Process for the preparation of monodisperse polymer particles (2014-02-25),

3. 6228925 - Two-stage seed swelling procedure for producing monodisperse PVC particles (2001-05-08),

4. 5763203 - Immobilization and separation of cells and other particles (1998-06-09),

5. 5677373 - Process for preparing a dispersion and for preparing polymer particles (1997-10-14),

6. 4774265 - Process for preparing magnetic polymer particles (1988-09-27),

7. 4654267 - Magnetic polymer particles and process for the preparation thereof (1987-03-31),

8. 4563510 - Process for the preparation of polymer latex (1986-01-07),

9. 4530956 - Process for the preparation of aqueous dispersions of organic material (1985-07-23),

10. 4459378 - Monodisperse polymer particles and dispersions thereof (1984-07-10),

11. 4336173 - Process for preparing an aqueous emulsion or dispersion of a partly (1982-06-22),

12. 4186120 - Process for producing finely divided aqueous emulsions from materials of (1980-01-29),

13. 4177177 - Polymer emulsification process (1979-12-04),

14. 4113687 - Process for preparing latex (1978-09-12),

Title: The Innovative Journey of John Ugelstad

Introduction

John Ugelstad is a prominent inventor based in Trondheim, Norway. He is known for his significant contributions to the field of polymer science, holding a total of 14 patents. His work has had a profound impact on the development of monodisperse polymer particles, which are essential in various applications.

Latest Patents

Among his latest patents is a process for the preparation of monodisperse polymer particles. This innovative process involves contacting monomers with aqueous dispersions that comprise monodisperse swellable seed polymers or oligomers. Polymerization is initiated in the presence of a steric stabilizer, resulting in swollen seed particles characterized by their particle mode diameter. This method enhances the efficiency and quality of polymer particle production.

Career Highlights

Throughout his career, John Ugelstad has worked with notable companies such as SINTEF and Life Technologies AS. His expertise in polymer chemistry has allowed him to make significant advancements in the field, contributing to both academic research and industrial applications.

Collaborations

Ugelstad has collaborated with esteemed colleagues, including Arvid Trygve Berge and Turid Ellingsen. These partnerships have fostered a collaborative environment that has led to innovative solutions and advancements in polymer technology.

Conclusion

John Ugelstad's contributions to the field of polymer science through his patents and collaborations

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