Company Filing History:

15 out of 574

Stamicarbon B.v.

patents

1 out of 10

Stamicarbon B.v., Licensing Subsidiary of Dsm

patents

1 out of 98

Technische Universiteit Eindhoven

patents

4. 1 out of 1

Polymer Research & Development

patent

Years Active: 1982-2015

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9205589 - Process for producing high-performance polymer fibers (2015-12-08),

2. 6433120 - Method for processing polyethylene having a molecular weight of at least 400,000 by heating at an elevated pressure (2002-08-13),

3. 5066755 - Novel irradiated polyethylene filaments tapes and films and process (1991-11-19),

4. 4938911 - Process for preparing polyolefin gel articles as well as for preparing (1990-07-03),

5. 4913870 - Process for preparing polyacrylonitrile filaments having high tensile (1990-04-03),

6. 4911867 - Process for prearing polyolefin filaments having great adhesive strength (1990-03-27),

7. 4888141 - Process for producing polyethylene articles having a high tensile (1989-12-19),

8. 4810450 - Process for the preparation of polyvinyl alcohol articles of high (1989-03-07),

9. 4668717 - Process for the continuous preparation of homogeneous solutions of high (1987-05-26),

10. 4579784 - Laminates on the basis of polypropylene and process for preparing such (1986-04-01),

11. 4436689 - Process for the production of polymer filaments having high tensile (1984-03-13),

12. 4434252 - Rigid polyvinyl chloride foam (1984-02-28),

13. 4430383 - Filaments of high tensile strength and modulus (1984-02-07),

14. 4427795 - Rigid polyvinyl chloride foam (1984-01-24),

15. 4422993 - Process for the preparation of filaments of high tensile strength and (1983-12-27),

Title: The Innovative Mind of Pieter J Lemstra

Introduction

Pieter J Lemstra is a renowned inventor based in Brunssum, Netherlands, with a significant portfolio of 18 patents to his name. His work primarily focuses on advancements in polymer technology, showcasing his contributions to high-performance materials that have applications across various industries.

Latest Patents

Among his latest innovations, Pieter has developed a process for producing high-performance polymer fibers. This invention relates to the preparation of polymer filaments with high tensile strength and modulus by extruding a solution composed of a solvent and a linear high-molecular-weight polymer. The process involves spinning and quenching the filaments formed, followed by stretching them under steam contact to efficiently remove the solvent.

Another noteworthy patent explores a method for processing ultra-high molecular weight polyethylene (UHMWPE). This method involves heating UHMWPE, with a molecular weight of at least 400,000, at an elevated pressure and subsequently cooling it. The invention focuses on achieving specific lamellar thickness and melting temperature while utilizing a transient hexagonal phase during the heating process.

Career Highlights

Pieter has made significant strides in his career, working with prominent companies such as Stamicarbon B.V. and its licensing subsidiary. His expertise in polymer processing and high-performance materials has established him as a leading figure in the field of innovation.

Collaborations

Throughout his career, Pieter has had the opportunity to collaborate with esteemed colleagues, including Lambert H Van Unen and Paul Smith. These collaborations have undoubtedly contributed to his inventive successes and the technological advancements he is known for.

Conclusion

In summary, Pieter J Lemstra's inventive spirit and dedicated work in the domain of high-performance polymers have led to substantial contributions in the field. His patents not only reflect his expertise but also the potential impact of his innovations on various applications and industries. With a solid foundation built on collaboration and a passion for technology, Pieter continues to be a significant force in the world of innovation.

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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.