Company Filing History:

14 out of 16,338

E.i. Dupont De Nemours and Company

Years Active: 1987-1995

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5382492 - Quaternary ammonium compound as charge adjuvants for positive (1995-01-17),

2. 5130221 - Salts of acid-containing AB diblock copolymers as charge directors for (1992-07-14),

3. 5053306 - Acid-containing A-B block copolymers as grinding aids in liquid (1991-10-01),

4. 5035972 - AB diblock copolymers as charge directors for negative electrostatic (1991-07-30),

5. 5009980 - Aromatic nitrogen-containing compounds as adjuvants for electrostatic (1991-04-23),

6. 5002848 - Substituted carboxylic acids as adjuvants for positive electrostatic (1991-03-26),

7. 4985329 - Bipolar liquid electrostatic developer (1991-01-15),

8. 4977056 - Alkylhydroxy benzylpolyamine as adjuvant for electrostatic liquid (1990-12-11),

9. 4935328 - Monofunctional amines as adjuvant for liquid electrostatic developers (1990-06-19),

10. 4917985 - Organic sulfur-containing compounds as adjuvants for positive (1990-04-17),

11. 4886726 - Glycerides as charge directors for liquid electrostatic developers (1989-12-12),

12. 4820605 - Modified liquid electrostatic developer having improved image scratch (1989-04-11),

13. 4783388 - Quaternaryammonium hydroxide as adjuvant for liquid electrostatic (1988-11-08),

14. 4780389 - Inorganic metal salt as adjuvant for negative liquid electrostatic (1988-10-25),

15. 4758494 - Inorganic metal salt as adjuvant for negative liquid electrostatic (1988-07-19),

Title: The Innovative Contributions of Lyla M El-Sayed

Introduction

Lyla M El-Sayed, an accomplished inventor based in West Chester, PA, has made significant contributions to the field of electrostatics through her innovative inventions. With a remarkable portfolio of 16 patents, she has carved a niche as a leading figure in the development of advanced electrostatic liquid developers, showcasing her expertise and creativity in the industry.

Latest Patents

Among her impressive list of patents, Lyla’s latest inventions include a quaternary ammonium compound as charge adjuvants for a positive-working electrostatic liquid developer. This developer features a nonpolar liquid, thermoplastic resin particles with a dispersed quaternary ammonium compound, and a nonpolar liquid soluble ionic or zwitterionic charge director compound. The preparation process for this electrostatic liquid developer is meticulously described, highlighting its utility in applications such as copying, color proofing (including digital color proofing), lithographic printing plates, and resists. Furthermore, her work on salts of acid-containing AB diblock copolymers as charge directors reinforces her commitment to advancing the field of electrostatics.

Career Highlights

Throughout her career, Lyla has been associated with esteemed companies, including E.I. Du Pont De Nemours and Company, where she honed her skills and contributed to groundbreaking research. Her dedication to innovation and excellence has been recognized within the industry, solidifying her reputation as a formidable inventor.

Collaborations

Lyla has collaborated with notable professionals in her field, including Torence J Trout and Loretta Ann Page. These collaborations have enriched her work and fostered the exchange of ideas, further enhancing the impact of her inventions on the industry.

Conclusion

In conclusion, Lyla M El-Sayed stands out as a vital contributor to the world of electrostatic technologies. Her extensive patent portfolio and collaborative efforts underscore her innovative spirit and dedication to advancing the field. As she continues to push the boundaries of technology, her work will undoubtedly inspire future generations of inventors and researchers.

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