Company Filing History:

19 out of 7,645

Shell Oil Comapny

patents

1 out of 101

Shell Research Limited

patents

Years Active: 1976-2001

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20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6262189 - Advanced epoxy resin from mixing polyepoxide and OH- or COOH-compound as feedstream (2001-07-17),

2. 6022931 - Advanced epoxy resins (2000-02-08),

3. 5824752 - Process for the preparation of advanced resins (1998-10-20),

4. 5344804 - Polymerization of cycloolefins and catalytic system suitable for use (1994-09-06),

5. 5248745 - Copolymerization of dicyclopentadiene with norbornene derivatives (1993-09-28),

6. 5229472 - Anionic extruder polymerization process (1993-07-20),

7. 5180867 - Copolymerization of dicyclopentadiene with norbornene derivatives (1993-01-19),

8. 5109073 - Process for the preparation of polymer blends (1992-04-28),

9. 5093441 - Polymerization of norbornene derivatives (1992-03-03),

10. 5081208 - Polymerization of dicyclopentadiene (1992-01-14),

11. 5028672 - Catalyst and process for polymerization of norbornene derivatives (1991-07-02),

12. 4994426 - Catalyst and process for polymerization of norbornene derivatives (1991-02-19),

13. 4810762 - Polymer of dicyclopentadiene and a process for preparation (1989-03-07),

14. 4729976 - Polymer of dicyclopentadiene and a process for preparation (1988-03-08),

15. 4414132 - Olefin polymerization catalyst compositions and a process for the (1983-11-08),

Title: Innovations by Willem Sjardijn in Advanced Epoxy Resins

Introduction

Willem Sjardijn, based in Amsterdam, NL, is a prominent inventor known for his significant contributions to the field of advanced epoxy resin technology. With a remarkable portfolio of 20 patents, Sjardijn has pioneered innovative processes that enhance the production and quality of epoxy resins.

Latest Patents

Among his most notable patents is the innovative process for preparing advanced epoxy resin through the reaction of polyepoxide compounds with hydroxyl or carboxyl compounds in the presence of a catalyst. This process, which operates at elevated temperatures, involves two main steps: firstly, mixing the epoxy compound with either the hydroxyl or carboxyl compound and the catalyst, and secondly, transferring the mixture onto a surface that moves intermittently with respect to the feedstream. An endless conveyor belt equipped with additional heating and optional cooling mechanisms is preferred for this process.

Another significant patent by Sjardijn focuses on a similar methodology for creating advanced epoxy resins, emphasizing the benefits of utilizing a moving surface that is exposed to elevated temperatures, thus improving the overall efficiency and quality of the resin produced.

Career Highlights

Willem Sjardijn has had a notable career with key positions in leading companies such as Shell Oil Company and Shell Research Limited. His experiences at these institutions have significantly contributed to his expertise in chemical engineering and materials science.

Collaborations

Throughout his career, Sjardijn has collaborated with several talented professionals, including Adrianus A van der Nat and Brian L Goodall. These collaborations have fostered innovative approaches and advancements in epoxy resin technology.

Conclusion

Willem Sjardijn's dedication to innovation in the field of advanced epoxy resins is evident through his extensive patent portfolio. His contributions continue to influence the industry, showcasing significant advancements in resin technology that benefit various applications. As he progresses in his career, it will be exciting to see the future innovations that emerge from his work.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.