Company Filing History:

6 out of 5,942

Mobil Oil Corporation

1 out of 832,680

Other

patents

Years Active: 1996-2004

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6825290 - Process for the preparation of latices using block copolymers as surfactants (2004-11-30),

2. 6794486 - Process for removing a dithiocarbonyl group at the end of a polymer chain (2004-09-21),

3. 5948861 - Star-branched block elastomeric copolymers (1999-09-07),

4. 5780540 - Dispersants and dispersant viscosity index improvers from selectively (1998-07-14),

5. 5663239 - Star-branched block elastomeric copolymers (1997-09-02),

6. 5508353 - Comb graft polymers and their use in functional fluids (1996-04-16),

7. 5489649 - Star-branched polymers and functional fluids prepared therefrom (1996-02-06),

8. 5484866 - Concentrates of a highly branched polymer and functional fluids prepared (1996-01-16),

Title: The Innovative Contributions of Wan-Li Liu

Introduction

Wan-Li Liu is a prominent inventor based in Yardley, PA (US), known for her significant contributions to the field of polymer chemistry. With a total of 8 patents to her name, she has made remarkable advancements in the preparation and application of latices and polymers.

Latest Patents

One of her latest patents is titled "Process for the preparation of latices using block copolymers as surfactants." This invention outlines a method for creating a latex through radical aqueous emulsion polymerization, utilizing ethylenically unsaturated monomers and surface-active block copolymers. The copolymers exhibit specific molecular mass and surface tension properties, making them suitable for applications in paints, adhesives, and building materials. Another notable patent is "Process for removing a dithiocarbonyl group at the end of a polymer chain." This process involves reacting a polymer with a dithio group with an amine compound in an organic solvent, providing a method for modifying polymer chains.

Career Highlights

Throughout her career, Wan-Li Liu has worked with notable companies, including Mobil Oil Corporation. Her work has significantly impacted the development of new materials and processes in the polymer industry.

Collaborations

Wan-Li Liu has collaborated with esteemed colleagues such as Frederick C. Loveless and Thomas S. Coolbaugh, contributing to various innovative projects and research initiatives.

Conclusion

Wan-Li Liu's contributions to polymer chemistry and her innovative patents highlight her role as a leading inventor in her field. Her work continues to influence the development of new materials and applications, showcasing the importance of innovation in science and technology.

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