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Barrington, RI, United States of America

Medhat A Toukhy

This inventor holds 31 USPTO granted patents, primarily in Photoresist Technology. Top assignees: Ocg Microelectronic Materials, Inc., Olin Hunt Specialty Products Inc., Philip a. Hunt Chemical Corporation. Active years: 1983-2000.

USPTO Granted Patents = 31

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 9

Forward Citations = 289(Granted Patents)

Company Filing History:

20 out of 73

Ocg Microelectronic Materials, Inc.

patents

5 out of 45

Olin Hunt Specialty Products Inc.

patents

3 out of 21

Philip a. Hunt Chemical Corporation

patents

4. 2 out of 25

Olin Microelectronic Chemicals, Inc.

patents

5. 1 out of 58

Arch Specialty Chemicals, Inc.

patents

Years Active: 1983-2000

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Areas of Expertise:

Photosensitive

Diazonaphthoquinone

Novolak Resins

Radiation-Sensitive

Photoactive Compounds

Image Formation

Phenolic Compounds

Oligomers

Trinuclear

Sensitivity Enhancers

Photoresist Developer

31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6140026 - Photosensitive diazonaphthoquinone esters based on selected cyclic alkyl (2000-10-31),

2. 6040107 - Photosensitive diazonaphthoquinone esters based on selected cyclic alkyl (2000-03-21),

3. 5985507 - Selected high thermal novolaks and positive-working radiation-sensitive (1999-11-16),

4. 5602260 - Selected O-quinonediazide sulfonic acid esters of phenolic compounds and (1997-02-11),

5. 5547814 - O-quinonediazide sulfonic acid esters of phenolic compounds and their (1996-08-20),

6. 5541033 - Selected o-quinonediazide sulfonic acid esters of phenolic compounds and (1996-07-30),

7. 5494785 - High ortho-ortho bonded novolak binder resins and their use in a process (1996-02-27),

8. 5473045 - High ortho-ortho bonded novolak binder resins and their use in (1995-12-05),

9. 5413894 - High ortho-ortho bonded novolak binder resins and their use in (1995-05-09),

10. 5338653 - Phenolic novolak resin compositions containing 5-indanol and their use a (1994-08-16),

11. 5328806 - Positive image formation utilizing radiation sensitive mixture (1994-07-12),

12. 5316884 - Radiation-sensitive compositions containing 5-indanol in the binder (1994-05-31),

13. 5312720 - Process of developing a positive image utilizing o-naphthoquinone (1994-05-17),

14. 5278021 - O-naphthoquinone diazide sulfonyl esters of (1994-01-11),

15. 5275911 - Sesamol/aldehyde condensation products as sensitivity enhancers for (1994-01-04),

Title: The Innovative Mind of Medhat A Toukhy

Introduction: Medhat A Toukhy is a renowned inventor based in Barrington, RI (US) known for his groundbreaking contributions to various fields.

Latest Patents: Medhat A Toukhy holds several patents in the areas of technology, healthcare, and consumer products, showcasing his diverse range of expertise.

Career Highlights: With a career spanning over two decades, Medhat A Toukhy has worked with leading companies to develop cutting-edge solutions that have revolutionized industries.

Collaborations: Throughout his career, Medhat A Toukhy has collaborated with top researchers, engineers, and scientists to bring his innovative ideas to life, resulting in successful products and technologies.

Conclusion: Medhat A Toukhy's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and entrepreneurs.

Profile summary based on public USPTO records.

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